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4.1 Uses—This practice is intended for use on a voluntary basis by parties who wish to assess the environmental condition of forestland or rural property taking into account commonly known and reasonably ascertainable information. While use of this practice is intended to constitute all appropriate inquiries for purposes of the LLPs, it is not intended that its use be limited to that purpose. This practice is intended primarily as an approach to conducting an inquiry designed to identify recognized environmental conditions in connection with a subject property. No implication is intended that a person shall use this practice in order to be deemed to have conducted inquiry in a commercially prudent or reasonable manner in any particular transaction. Nevertheless, this practice is intended to reflect good commercial and customary practice. (See 1.5.)4.2 Clarifications on Use: 4.2.1 Use Not Limited to CERCLA—This practice is designed to assist the user in developing information about the environmental condition of a subject property and as such, has utility for a wide range of persons, including those who may have no actual or potential CERCLA liability and/or may not be seeking the LLPs.4.2.2 Residential Occupants/Lessees/Purchasers and Others—No implication is intended that it is currently customary practice for residential occupants/lessees of multifamily residential buildings, occupants/lessees of single-family homes or other residential real estate, or purchasers of dwellings for one's own residential use, to conduct an environmental site assessment in connection with these transactions. Thus, these transactions are not included in the term forestland or rural property transactions, and it is not intended to imply that such persons are obligated to conduct an environmental site assessment in connection with these transactions for purposes of all appropriate inquiries or for any other purpose.4.2.3 Site-specific—This practice is site-specific in that it relates to the assessment of environmental conditions for a subject property comprising forestland or rural property. Consequently, this practice does not address many additional issues raised in transactions such as purchases of business entities or interests therein, or of their assets, that may well involve environmental liabilities pertaining to properties previously owned or operated or other off-site environmental liabilities.4.3 Related Standard Practice—This practice sets forth one procedure for an environmental site assessment known as a “Phase I Environmental Site Assessment for Forestland or Rural Property,” “Phase I Environmental Site Assessment,” a “Phase I ESA,” or simply a “Phase I.” This practice is separate from and is applicable to different types of property than Practice E1527 as further described in 4.3.1. These practices are each intended to meet the standard of all appropriate inquiries necessary to qualify for the LLPs. It is essential to consider that these practices, taken together, provide for two alternative practices of all appropriate inquiries for forestland or rural property.4.3.1 Election to Commence with This Practice—The user may commence inquiry to identify recognized environmental conditions in connection with a subject property by performing this practice when conditions identified in 1.1 are met. A primary consideration in applying this practice instead of E1527 is the nature and extent of the subject property being assessed, as the typical environmental concerns, sources for interviews and records, and the methodology used to perform the site reconnaissance may differ significantly. The subject property need not be contiguous and may contain isolated areas of non-forestland and non-rural property. This practice is intended to provide a more practical approach to assess rural property and forestland properties that are generally uniform in use.4.3.2 Who May Conduct—Whenever a Phase I Environmental Site Assessment is conducted, it must be conducted by an environmental professional, as defined in Appendix X2 (and 40 C.F.R. 312.10(b)), to the extent specified in 7.5.1. Further, at the Phase I Environmental Site Assessment level, no practical standard can be designed to eliminate the role of judgment and the value and need for experience in the party performing the inquiry. The professional judgment of an environmental professional is, consequently, vital to conducting all appropriate inquiries at the Phase I Environmental Site Assessment level.4.4 Additional Services—As set forth in 12.10, additional services may be contracted for between the user and the environmental professional. Such additional services may include BER issues not included within the scope of this practice, examples of which are identified in Section 13 under Non- Considerations.4.5 Principles—The following principles are an integral part of this practice and are intended to be referred to in resolving any ambiguity or exercising such discretion as is accorded the user or environmental professional in conducting an environmental site assessment or in judging whether a user or environmental professional has conducted all appropriate inquiry or has otherwise conducted an adequate environmental site assessment.4.5.1 Uncertainty Not Eliminated—No environmental site assessment can wholly eliminate uncertainty regarding the potential for recognized environmental conditions in connection with a subject property. Performance of this practice is intended to reduce, but not eliminate, uncertainty regarding the potential for recognized environmental conditions in connection with a subject property, and this practice recognizes reasonable limits of time and cost.4.5.2 Not Exhaustive—All appropriate inquiries does not mean an exhaustive assessment of a property. There is a point at which the cost of information obtained or the time required to gather it outweighs the usefulness of the information and, in fact, may be a material detriment to the orderly completion of transactions. One of the purposes of this practice is to identify a balance between the competing goals of limiting the costs and time demands inherent in conducting an environmental site assessment and the reduction of uncertainty about unknown conditions resulting from additional information.4.5.3 Level of Inquiry Is Variable—Not every property will warrant the same level of assessment. Consistent with good commercial or customary standards and practices as defined at 42 U.S.C. § 9601(35)(B), the appropriate level of environmental site assessment will be guided by the type of property subject to assessment, the expertise and risk tolerance of the user, future intended uses of the subject property disclosed to the environmental professional, and the information developed in the course of the inquiry. This practice is no less stringent than Practice E1527; however, the means by which this practice intends to satisfy that level of all appropriate inquiries within reasonable time and cost constraints are different than under Practice E1527. Site reconnaissance of isolated areas of the property that include activities outside the definition of forestland or rural property should be addressed using methodologies such as those provided in E1527. See also section 1.1.1.4.5.4 Comparison with Subsequent Inquiry—It should not be concluded or assumed that an inquiry was not all appropriate inquiries merely because the inquiry did not identify recognized environmental conditions in connection with a subject property. Environmental site assessments must be evaluated based on the reasonableness of judgments made at the time and under the circumstances in which they were made. Subsequent environmental site assessments should not be considered valid standards to judge the appropriateness of any prior assessment based on hindsight, new information, use of developing technology or analytical techniques, or other factors.4.5.5 Point in Time—The environmental site assessment is based upon conditions at the time of completion of the individual environmental site assessment elements (see 7.2).4.6 Continued Viability of Environmental Site Assessment: 4.6.1 Presumed Viability—Subject to 4.8 and the user’s responsibilities set forth in Section 6, an environmental site assessment meeting or exceeding this practice is presumed to be viable when it is completed less than 180 days prior to the date of acquisition of the subject property (or, for transactions not involving an acquisition, the date of the intended transaction). The completion dates of the components presented in 4.6.2(i), (iii), (iv), and (v) for interviews, review of government records, visual inspections, and declaration by environmental professional, shall be identified in the report. Completion of searches for recorded environmental cleanup liens (4.6.2(ii)) is a user responsibility; however, if the user has engaged the environmental professional to conduct these searches, then that date shall also be identified in the report.4.6.2 Updating of Certain Components—Subject to 4.8 and the user’s responsibilities set forth in Section 6, an environmental site assessment meeting or exceeding this practice, and for which the information was collected within one year prior to the date of acquisition of the subject property, may be used provided that the following components of the inquiries were updated within 180 days of the date of purchase or the date of the intended transaction; the 180-day period shall commence from the completion of any of these components, whichever is first:(i) interviews with owners, operators, and occupants;(ii) searches for recorded environmental cleanup liens (a user responsibility, see Section 6);(iii) searches of federal, tribal, state, and local government records;(iv) visual inspections of the subject property and of adjoining properties; and(v) the declaration by the environmental professional responsible for the assessment or update.4.6.3 Compliance with All Appropriate Inquiries—To qualify for one of the threshold criteria for satisfying the LLPs to CERCLA liability, the all appropriate inquiries components listed in 4.6.2 must be conducted or updated within 180 days of and prior to the date of acquisition of the subject property, and all other components of all appropriate inquiries must be conducted within one year prior to the date of acquisition of the subject property. The date of the report generally does not represent the date the individual components of all appropriate inquiries were completed and should not be used when evaluating compliance with the 180-day or 1-year all appropriate inquiries requirements.4.6.4 User’s Responsibilities—If, within the period described above, the environmental site assessment will be used by a user different than the user for whom the environmental site assessment was originally prepared, the subsequent user must also satisfy the user’s responsibilities in Section 6.4.7 Prior Assessment Usage—This practice recognizes that environmental site assessments conducted in accordance with this practice will include information that subsequent users may want to use to avoid undertaking duplicative assessment procedures. Therefore, this practice describes procedures to be followed to assist users in determining the appropriateness of using information in environmental site assessments performed more than one year prior to the date of acquisition of the subject property (or for transactions not involving an acquisition such as a lease or refinance, the date of the intended transaction). The system of prior assessment usage is based on the following principles that should be adhered to in addition to the specific procedures set forth elsewhere in this practice:4.7.1 Use of Prior Information—Subject to the requirements set forth in 4.6, users and environmental professionals may use information in prior environmental site assessments provided such information was generated as a result of procedures that meet or exceed the requirements of this practice. However, such information shall not be used without current investigation of conditions likely to affect recognized environmental conditions in connection with the subject property. Additional tasks may be necessary to document conditions that may have changed materially since the prior environmental site assessment was conducted. Nothing in this practice is intended to convey a right to use or rely upon resources, information, findings, or opinions provided in prior assessments.4.7.2 Contractual Issues Regarding Prior Assessment Usage—The contractual and legal obligations between prior and subsequent users of environmental site assessments or between environmental professionals who conducted prior environmental site assessments and those who would like to use such prior environmental site assessments are beyond the scope of this practice.4.8 Actual Knowledge Exception—If the user or environmental professional conducting an environmental site assessment has actual knowledge that the information being used from a prior environmental site assessment is not accurate or if it is obvious , based on other information obtained by means of the environmental site assessment or known to the person conducting the environmental site assessment, that the information being used is not accurate, such information from a prior environmental site assessment may not be used.4.9 Rules of Engagement—The contractual and legal obligations between an environmental professional and a user (and other parties, if any) are outside the scope of this practice. No specific legal relationship between the environmental professional and the user is necessary for the user to meet the requirements of this practice.4.10 Organization of This Practice—This practice has thirteen sections and six appendices. Section 1 is the . Section 2 is Referenced Documents. Section 3, Terminology, has definitions of terms not unique to this practice, descriptions of terms unique to this practice, and acronyms. Section 4 is of this practice. Section 5 provides discussion regarding activity and use limitations. Section 6 describes User’s Responsibilities. Sections 7 – 12 are the main body of the Phase I Environmental Site Assessment, including evaluation and report preparation. Section 13 provides additional information regarding non-scope considerations (see 1.4). The appendices are included for information and are not part of the procedures prescribed in this practice. Appendix X1 explains the liability and defense provisions of CERCLA that will assist the user in understanding the user’s responsibilities under CERCLA; it also contains other important information regarding CERCLA, the Brownfields Amendments, and this practice. Appendix X2 provides the definition of the environmental professional responsible for the Phase I Environmental Site Assessment, as required in the “All Appropriate Inquiries” Final Rule (40 C.F.R. Part 312). Appendix X3 provides an optional User Questionnaire to assist the user and the environmental professional in gathering information from the user that may be material to identifying recognized environmental conditions. Appendix X4 offers an additional examination of the recognized environmental condition definition. Appendix X5 provides a suggested table of contents and report format for a Phase I Environmental Site Assessment. Appendix X6 summarizes non-scope considerations that persons may want to assess.1.1 Purpose—The purpose of this practice is to provide an alternative method to ASTM E1527 for good commercial and customary practices in the United States of America for conducting a Phase I Environmental Site Assessment2 of forestland or rural property with respect to the range of contaminants within the scope of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and petroleum products. As such, this practice is intended to permit a user to satisfy one of the requirements to qualify for the innocent landowner, contiguous property owner, or bona fide prospective purchaser limitations on CERCLA liability (hereinafter, the “landowner liability protections,” or “LLPs”): that is, the practice that constitutes “all appropriate inquiries” into the previous ownership and uses of a property consistent with good commercial and customary standards and practices as defined at 42 U.S.C. §9601(35)(B). (See Appendix X1 for an outline of CERCLA's liability and defense provisions.) Controlled substances are not included within the scope of this standard. Persons conducting an environmental site assessment as part of an EPA Brownfields Assessment and Characterization Grant awarded under CERCLA 42 U.S.C. §9604(k)(2)(B) must include controlled substances as defined in the Controlled Substances Act (21 U.S.C. §802) within the scope of the assessment investigations to the extent directed in the terms and conditions of the specific grant or cooperative agreement. Additionally, an evaluation of business environmental risk (BER) associated with a parcel of commercial real estate may necessitate investigation beyond that identified in this practice (see 1.4 and Section 13).1.1.1 Standard Practice Selection—The methodology included in this practice is an effective and practical process for achieving the objectives of a Phase I Environmental Site Assessment of forestland or rural property when some of the methodologies of ASTM E1527 are deemed to be impractical or unnecessary due to the size or nature of the property. This practice is intended to provide a more practical approach to assess rural and forestland properties that are generally uniform in use. A primary consideration in applying this practice instead of E1527 is the nature and extent of the property being assessed, as the typical environmental concerns, sources for interviews and records, and the methodology used to perform the site reconnaissance may differ significantly. The property to be assessed using this standard practice need not be contiguous and may contain isolated areas of non-forestland and non-rural property. Site reconnaissance of isolated areas of the property that include activities outside the definition of forestland or rural property should be addressed using methodologies such as those provided in E1527, which may be conducted and reported in conjunction with this practice, as discussed in 4.5.3.1.1.2 Recognized Environmental Conditions—The goal of the processes established by this practice is to identify recognized environmental conditions. The term recognized environmental condition means (1) the presence of hazardous substances or petroleum products in, on, or at the subject property due to any release to the environment; (2) the likely presence of hazardous substances or petroleum products in, on, or at the subject property due to a release or likely release to the environment; or (3) the presence of hazardous substances or petroleum products in, on, or at the subject property under conditions that pose a material threat of a future release to the environment. A de minimis condition is not a recognized environmental condition.1.1.3 Related Standard Practices—This practice is closely related to Standard Practice E1527. Standard Practice E1527 is an environmental site assessment for commercial real estate (see 4.3).1.1.4 Petroleum Products—Petroleum products are included within the scope of this practice because they are of concern with respect to many parcels of forestland or rural property and current custom and usage is to include an inquiry into the presence of petroleum products when conducting an environmental site assessment of forestland or rural property. Inclusion of petroleum products within the scope of this practice is not based upon the applicability, if any, of CERCLA to petroleum products.1.1.5 CERCLA Requirements Other Than Appropriate Inquiries—This practice does not address whether requirements in addition to all appropriate inquiries have been met in order to qualify for the LLPs (for example, the duties specified in 42 U.S.C. §§9607(b)(3)(a) and (b) and cited in Appendix X1 including the continuing obligation not to impede the integrity and effectiveness of activity and use limitations (AULs), or the duty to take reasonable steps to prevent releases, or the duty to comply with legally required release reporting obligations).1.1.6 Other Federal, State, and Local Environmental Laws—This practice does not address requirements of any state or local laws or of any federal laws other than the All Appropriate Inquiries provisions of the LLPs. Users are cautioned that federal, state, and local laws may impose environmental assessment obligations that are beyond the scope of this practice. Users should also be aware that there are likely to be other legal obligations with regard to hazardous substances or petroleum products discovered in, on, or at the subject property that are not addressed in this practice and that may pose risks of civil and/or criminal sanctions for non-compliance.31.1.7 Documentation—The scope of this practice includes research and reporting requirements that support the user's ability to qualify for the LLPs. As such, sufficient documentation of all sources, records, and resources utilized in conducting the inquiry required by this practice must be provided in the written report (refer to 8.1.9 and 12.2).1.2 Objectives—Objectives guiding the development of this practice are (1) to synthesize and put in writing good commercial and customary practices for environmental site assessments for forestland or rural property; (2) to facilitate high quality, standardized environmental site assessments; (3) to provide a practical and reasonable standard practice for all appropriate inquiries; and (4) to clarify an industry standard for all appropriate inquiries in an effort to guide legal interpretation of the LLPs.1.3 Units—The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.4 Considerations Beyond —The use of this practice is strictly limited to the scope set forth in this section. Section 13 of this practice identifies, for informational purposes, certain environmental conditions (for example, threatened and endangered species and non-point source considerations) that may exist on a forestland or rural property that are beyond the scope of this practice, but may warrant discussion between the environmental professional and the user about a forestland or rural property transaction. The need to include an investigation of any such conditions in the environmental professional's scope of services should be evaluated based upon, among other factors, the nature of the subject property and the reasons for performing the assessment (for example, a more comprehensive evaluation of business environmental risk), and should be agreed upon between the user and environmental professional as additional services beyond the scope of this practice prior to initiation of the environmental site assessment process.1.5 This practice offers a set of instructions for performing one or more specific operations and should be supplemented by education, experience, and professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard practice does not necessarily represent the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's unique aspects. The word “standard” in the title means only that the document has been approved through the ASTM consensus process.1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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4.1 This practice supports lead poisoning prevention activities by providing standardized procedures for conducting visual assessments.4.2 This practice is intended to be used with other ASTM standards, as appropriate, for conducting lead-hazard assessments.4.3 This practice is intended for use by individuals trained to conduct visual assessments associated with lead-hazard activities and in reporting their results. This practice is also applicable for use by others interested in visual assessment of properties for lead hazards, such as building code officials, building operators, homeowners, and insurers.1.1 This practice describes procedures for conducting visual assessments in buildings to visually identify the type and location of potential lead hazards. These potential hazards are associated with deteriorated leaded paint, lead in dust, or lead in soil.1.2 This practice addresses visual assessment procedures for lead-hazard activities such as: lead risk (hazard) assessment (Guide E2115), clearance examination (Practices E2271/E2271M and E3074/E3074M), assessment of paint condition, and re-evaluation inspection. It also can be applied to visual assessments following paint maintenance or renovation or repainting activities, or combinations thereof.1.3 Because there is considerable overlap among the requirements for lead-hazard activities, this standard first describes a generic visual assessment procedure, and then defines a specific procedure for each assessment type in terms of additions to, or deletions from, the generic procedure.1.4 This practice does not address testing needed to confirm the presence of lead hazards.1.5 This practice contains notes, which are explanatory and are not part of the mandatory requirements of this standard.1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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5.1 This practice is intended for use as a voluntary standard by parties who wish to undertake the seismic risk assessment of properties. The goal is for users to objectively and reliably compare the financial risks of earthquake damage to buildings, or groups of buildings, on a consistent basis.5.2 This practice is designed to provide requirements for the evaluation of earthquake damage risk so that technical reports prepared for the evaluation and rating of seismic risk of a building(s) will be adequate for use by other entities. Potential users including, but are not be limited to, those making equity investments, lending, and financial transactions, including securitized mortgage lending by mortgage originators, loan servicers, underwriters, rating agencies, and purchasers of bonds secured by the real estate.5.3 The use of this practice may permit a user to satisfy, in part, their requirements for due diligence in assessing a property's potential for losses associated with earthquakes for real estate transactions.1.1 This practice establishes standard-of-care for evaluation and classification of the financial risks from earthquake damage to real estate improvements for use in financial mortgage transactions and capital investment evaluation. As such, this practice permits a user to satisfy, in part, their real estate transaction due-diligence requirements with respect to assessing and characterizing a property’s potential losses from earthquakes. This practice is intended to address only physical damage to the property from site and building response.1.1.1 Hazards addressed in this practice include earthquake ground shaking, earthquake-caused site instability, including faulting, subsidence, settlement landslides and soil liquefaction, earthquake-caused tsunamis and seiches, and earthquake-caused flooding from dam or dike failures.1.1.2 Earthquake-caused fires and toxic materials releases are not hazards considered in this practice.1.1.3 This practice does not purport to provide for the preservation of life safety, or prevention of building damage associated with its use, or both.1.1.3.1 This practice does not address requirements of any federal, state, or local laws and regulations of building construction or maintenance. Users are cautioned that current federal, state, and local laws and regulations may differ from those in effect at the times of construction or modification of the building(s), or both.1.1.3.2 This practice does not address the contractual and legal obligations between prior and subsequent Users of seismic risk assessment reports or between providers who prepared the report and those who would like to use such prior reports.1.1.3.3 This practice does not address the contractual and legal obligations between a provider and a user, and other parties, if any.1.1.4 It is the responsibility of the owner of the building(s) to establish appropriate life-safety and damage prevention practices and determine the applicability of current regulatory limitations prior to use.1.2 Considerations not included in the scope: the impacts of damage to contents, loss of income(s), rents, or other economic benefits of use of the property, or from legal judgments, fire sprinkler water-induced damage or fire.1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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4.1 Use—This guide is intended to reflect a reasonable baseline process for the completion of PCAs for use on a voluntary basis. No implication is intended that use of this guide be required to have conducted a PCA in a commercially prudent and reasonable manner. The baseline process described in this guide is subject to a moderate level of uncertainty. Because the objectives, risk tolerance, schedule, and budget of users can be dramatically different there are varying levels of PCA and due diligence that can be exercised that are both more and less comprehensive than this guide that may be appropriate to meet the objectives of the user. In accordance with ASTM protocols, this guide does not recommend a specific course of action or scope of work. Users should consider their requirements, the purpose that the PCA is to serve, and their risk tolerance to refine the scope of assessment and consultant qualifications in order to establish appropriate objectives for the assessment.4.2 Clarification of Use of Assessments: 4.2.1 Specific Point in Time—A user should only rely on the PCR for the point in time that the observations and research were conducted.4.2.2 Site-Specific—The PCA prepared in accordance with this guide is site-specific in that it relates to the physical condition of primary improvements on a specific parcel of commercial real estate. Consequently, this guide does not address many additional issues in commercial real estate transactions such as economic obsolescence, the purchase of business entities, or physical deficiencies relating to off-site conditions.4.2.3 Specific Objectives—PCAs are completed to address specific objectives identified to the consultant by the user. The consultant should be consulted prior to use of the PCA to address any other objective.4.2.4 Intended Users—PCAs are typically completed for use by contracting parties. In some cases, the use of or reliance on reports may be extended to additional parties by mutual agreement of the contracting parties. Use of or reliance on PCAs by others may violate the rights of contracting parties and fail to satisfy the objectives of such unauthorized parties.4.3 Principles—The following principles are an integral part of this guide. They are intended to be referred to in resolving ambiguity, or in exercising discretion accorded the user or consultant in conducting a PCA, or in judging whether a user or consultant has conducted appropriate inquiry or has otherwise conducted an adequate PCA.4.3.1 Uncertainty Not Eliminated—No PCA can wholly eliminate the uncertainty regarding the presence of physical deficiencies and the performance of building systems or building components. Preparation of a PCR in accordance with this guide is intended to reduce, but not eliminate, the uncertainty regarding the potential for building system or building component failure and to reduce the potential that such building system or building component may not be initially observed. This guide also recognizes the inherent subjective nature of reported opinions as to such issues as workmanship, quality of original installation, and estimating the RUL of any given component or system. Users should work with their consultant to consider modifications to the scope of the PCA that may reduce uncertainties.4.3.2 Suggested Remedies—The guide recognizes that a suggested remedy may be determined under time constraints, formed without the aid of engineering calculations, testing, exploratory probing, the removal or relocation of materials, design, or other technically exhaustive means. Furthermore, there may be other alternatives or more appropriate schemes or methods to remedy a physical deficiency. The suggested remedies are generally formed without detailed knowledge from those familiar with the historical or actual performance of the building system or building component.4.3.3 Not Technically Exhaustive—The PCA is not intended to be construed as technically exhaustive. There is a point at which the cost of information obtained, or the time required to conduct the PCA and prepare the PCR, may outweigh the usefulness of the information and, in fact, may be a material detriment to the orderly and timely completion of a commercial real estate transaction. It is the intent of this guide to attempt to identify a balance between limiting the costs and time demands inherent in performing a PCA and reducing the uncertainty about unknown physical deficiencies resulting from completing additional inquiry.4.3.4 Representative Observations—The purpose of conducting representative observations is to convey to the user the expected magnitude of commonly encountered or anticipated conditions. Recommended representative observation quantities for various asset types are provided in Annex A1; however, if in the consultant’s opinion, the recommended representative observations are unwarranted as a result of homogeneity of the asset or other reasons deemed appropriate, the field observer may survey sufficient units, areas, buildings, building systems, and building components so as to comment with reasonable confidence as to the representative presence of physical deficiencies at such repetitive or similar areas, building systems, and building components. If there is more than one building on the subject property, and they are homogeneous with respect to approximate age, use, basic design, materials, and systems, it is not a requirement of this guide for the field observer to observe the building systems and building components within each individual building to describe or comment on their condition within the PCR. The descriptions and observations provided in the PCR are to be construed as representative of all similar improvements.4.3.4.1 User-Mandated Representative Observations—A user may mandate the representative observations required for a given subject property or a particular building system or building component. Such representative observations may be more or less detailed than this guide's recommended representative observations as provided in Annex A1.4.3.4.2 Extrapolation of Findings—Consultant may reasonably extrapolate representative observations and findings to all typical areas or systems of the subject property for the purposes of describing such conditions within the PCR and preparing the opinions of costs for suggested remedies.4.3.5 Level of Due Diligence is Variable—Not every subject property will warrant the same level of assessment. The appropriate level of assessment is guided by the purpose the PCA is to serve; type of subject property; age of the improvements; expertise and risk tolerance of the user; and time available for preparing and reviewing the opinions contained in the PCR.4.4 Prior PCR Usage—This guide recognizes that PCRs prepared in accordance with this guide may include information that subsequent users and consultants may want to use to avoid duplication and to reduce cost. Therefore, this guide includes procedures to assist users and consultants in determining the appropriateness of using such information. In addition to the specific procedures contained elsewhere in this guide, the following should be considered:4.5 Use of Prior PCR Information—Information contained in prior property condition reports may be helpful to assist in understanding the subject property and planning the walk-through survey and research for the completion of a current PCR. Such information should serve only as an aid to a consultant in fulfilling the requirements of this guide and to assist the field observer in the walk-through survey, research, and the field observer’s understanding of the subject property; and should be verified during the completion of a current assessment.4.5.1 Comparison with a Previously Prepared PCR—Discrepancies between a PCR and a previously prepared PCR are not indicative that either PCR is deficient. User requirements and objectives, the purpose of the PCR, qualifications and experience of the assessment team, time available to complete the PCR, access to and availability of information, hindsight, new or additional information, enhanced visibility because of improved weather or site conditions, equipment not in a shutdown mode, specific building systems and building components observed, and other factors may significantly impact the findings and opinions of the PCR. It should not be concluded or assumed that a previous PCR was deficient because the previous PCA did not discover a certain physical deficiency, or because opinions of costs in the previous PCR are different. Because a PCR contains a representative indication of the condition of the subject property at the time of the walk-through survey and is dependent on the information available to the consultant at that time, the PCR should be evaluated on the reasonableness of judgments made at the time and under the circumstances in which they are made.4.5.2 Conducting Current Walk-Through Surveys—At a minimum, for a PCR to be consistent with this guide, a new walk-through survey, interviews, and solicitation and review of building and fire department records for recorded material violations should be performed.4.6 Actual Knowledge Exception—If the user or consultant conducting a PCA has actual knowledge that the information from a prior PCR is not accurate, or if it is obvious to the field observer that the information is not accurate, such information from a prior PCR should not be used.4.7 Contractual Issues—This guide recognizes that contractual and legal obligations may exist between prior and subsequent users of PCRs, or between users and consultants who performed prior PCRs, or both. Consideration of such contractual obligations is beyond the scope of this guide. Furthermore, a subsequent user of a prior PCA should be apprised that the report may have been prepared for purposes other than the current desired purpose of the PCR and should determine the contractual purpose and scope of the prior PCA.4.8 Rules of Engagement—The contractual and legal obligations between a user and consultant (and other parties, if any) are outside the scope of this guide. No specific legal relationship between the user and consultant was considered during the preparation of this guide.1.1 Purpose—The purpose of this guide is to provide a framework for conducting a property condition assessment (PCA) of the primary improvements at commercial real estate properties by performing a walk-through survey and conducting research as outlined within this guide.1.1.1 Physical Deficiencies—The goal of the baseline process for property condition assessments is to identify and communicate material physical deficiencies to a user.1.1.2 Walk-Through Survey—This guide outlines procedures for conducting a walk-through survey to identify physical deficiencies, and recommends various building systems and building components that should be observed by the field observer.1.1.3 Document Reviews and Interviews—The scope of this guide includes document reviews, research, and interviews to augment the walk-through survey to assist with understanding the subject property and identification of physical deficiencies.1.1.4 Property Condition Report—The work product resulting from completing a PCA in accordance with this guide is a property condition report (PCR). The PCR incorporates the information obtained during the Walk-Through Survey, the Document Review and Interviews sections of this guide and includes opinions of costs for suggested remedies of observed physical deficiencies.1.2 Objectives—Objectives in the development of this guide are to: (1) provide a framework for conducting a property condition assessment (PCA) of the primary improvements located on a parcel of commercial real estate; (2) facilitate consistent and pertinent content in PCRs; (3) develop pragmatic and reasonable recommendations and expectations for site observations, document reviews and research associated with conducting PCAs and preparing PCRs; (4) establish reasonable expectations for PCRs; (5) assist in developing an industry standard of care for appropriate baseline observations and research; and (6) recommend protocols for the consultants for communicating observations, opinions, and recommendations in a manner meaningful to the user.1.3 Out of Considerations and Excluded Activities—The use of this guide is strictly limited to the scope set forth herein. Section 12 and Appendix X1 of this guide identify, for informational purposes, certain considerations and physical conditions that may exist on the subject property, and certain activities or procedures (not an all-inclusive list) that are beyond the scope of this guide but may warrant consideration by parties to a commercial real estate transaction to enhance the PCA. Users should work with a knowledgeable consultant to identify additional considerations and concerns to be evaluated. The decision to inquire into out-of-scope considerations or extend the assessment to include excluded activities is to be made by the user. No assessment of out-of-scope considerations is required for a PCA to be conducted in conformance with this guide.1.4 Organization of This guide—This guide consists of several sections, an Annex and two (2) Appendixes. Section 1 is the . Section 3 on Terminology contains definitions of terms both unique to this guide and not unique to this guide, and acronyms. Section 4 sets out the of this guide, and Section 5 describes the User's Responsibilities. Sections 6 through 11 provide guidelines for the main body of the PCR, including the scope of the walk-through survey, preparation of the opinions of costs to address physical deficiencies, and preparation of the PCR. Section 12 provides additional information regarding out-of-scope considerations, activities, and procedures (see section 1.3). Annex A1 provides guidance relating to specific asset types that are considered as integral to this guide. Appendix X1 describes additional concerns a user may consider in modification of the scope of the PCR. Appendix X2 and Appendix X3 outline an approach to limited accessibility screenings.     TABLE OF CONTENTS1    1.1 Purpose  1.2 Objectives  1.3 Out of Considerations and Excluded Activities  1.4 Organization of This guide  1.5 Multiple Buildings  1.6 Safety Concerns3 Terminology  3.2 Definitions  3.3 Abbreviations and Acronyms4   4.1 Use  4.2 Clarification of Use of Assessments  4.3 Principles  4.4 Prior PCR Usage  4.5 Use of Prior PCR Information  4.6 Actual Knowledge Exception  4.7 Contractual Issues  4.8 Rules of Engagement5 User's Responsibilities  5.1 Objectives and of Assessment  5.2 Point of Contact  5.3 Access  5.4 User Disclosure6 Property Condition Assessment  6.1 Objective  6.2 PCA Components  6.3 Coordination of Components  6.4 Consultant's Duties7 The Consultant  7.1 Qualifications of the Consultant  7.2 Staffing of the Field Observer  7.3 Independence of the Consultant  7.4 Qualifications of the Field Observer  7.5 Qualifications of the PCR Reviewer  7.6 The Field Observer and PCR Reviewer May Be a Single Individual  7.7 Not a Professional Architectural or Engineering Service8 Document Review and Interviews  8.1 Objective  8.2 Verification of Information Provided by Others  8.3 Accuracy and Completeness  8.4 Government Agency Provided Information  8.5 Pre-Survey Questionnaire  8.6 Owner/User Provided Documentation and Information  8.7 Interviews9 Walk-Through Survey  9.1 Objective  9.2 Frequency  9.3 Photographs  9.4   9.5 Additional Considerations10 Opinions of Costs to Remedy Physical Deficiencies  10.1 Purpose  10.2   10.3 Opinions of Costs Attributes11 Property Condition Report  11.1 Format  11.2 Writing Protocols  11.3 Documentation  11.4 Executive Summary  11.5 Purpose and   11.6 Walk-Through Survey  11.7 Document Reviews and Interviews  11.8 Additional Considerations  11.9 Qualifications  11.10 Limiting Conditions  11.11 Exhibits12 Out of Considerations  12.1 Activity Exclusions  12.2 Warranty, Guarantee, and Code Compliance Exclusions  12.3 Additional/General Considerations13 KeywordsAnnex A1 GUIDANCE AND ENHANCED DUE DILIGENCE SERVICES  A1.1 Multifamily Properties  A1.2 Commercial Office Buildings  A1.3 Retail Buildings   Appendix X1 GUIDANCE AND ENHANCED DUE DILIGENCE SERVICES  X1.1 Qualifications  X1.2 Modifications to the Baseline ProcessAppendix X2 AMERICANS WITH DISABILITIES ACT (ADA) ABBREVIATED ADA SCREENINGAppendix X3 FAIR HOUSING ACT (FHA) ABBREVIATED FHA SCREENING1.5 Multiple Buildings—If the subject property is comprised of multiple buildings, it is the intent of this guide that all of the primary improvements are discussed in one PCR.1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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5.1 This practice provides criteria that building design teams shall use to compare the environmental impacts associated with a reference building design and a final building design, including additions to existing buildings where applicable.5.2 This practice deals specifically with material selection for initial construction, including associated maintenance and replacement cycles over an assumed service life, taking operating energy use into account if required or explicitly allowed under the applicable code, standard, or rating system.1.1 This practice provides criteria to be applied irrespective of the assessment (LCA) tool that is used when LCA is undertaken at the whole building level to compare a final whole building design to a reference building design.1.2 The purpose of this practice is to support the use of whole building Life Cycle Assessment (LCA) in building codes, standards, and building rating systems by ensuring that comparative assessments of final whole building designs relative to reference building designs take account of the relevant building features, life cycle stages, and related activities in similar fashion for both the reference and final building designs of the same building.1.3 The criteria do not deal with building occupant behavior, possible future changes in building function, building rehabilitation or retrofit, or other matters that cannot be foreseen or reasonably estimated at the design or permitting stage, or both where this practice applies.1.4 Only environmental impacts and aspects of sustainability are addressed in this practice. The social and economic impacts and aspects of sustainability are not addressed in this practice.1.5 This practice does not deal with basic LCA methodology, calculation methods or related matters that are covered in cited international standards.1.6 This practice does not supersede or modify existing ISO standards for the application of LCA at the product level, nor does it address any of the following related applications:1.6.1 Aggregation of building products Environmental Product Declarations (EPD) at the whole building level;1.6.2 Rules for applying EPDs in a building code, standard, or rating system; and1.6.3 Comparability of building product EPDs.NOTE 1: ISO 14025 and ISO 21930 provide guidance on use and comparability of building products EPDs.1.7 This practice does not specify the impact categories or sustainability aspects to be addressed in building codes, standards, or building rating systems and users of this practice conform to the impact category requirements specified in the applicable code, standard, or rating system.1.8 The text of this standard contains notes that provide explanatory material. These notes shall not be considered as requirements of the standard.1.9 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.10 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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4.1 Uses—This practice is intended for use on a voluntary basis by parties who wish to assess the environmental condition of commercial real estate taking into account commonly known and reasonably ascertainable information. While use of this practice is intended to constitute all appropriate inquiries for purposes of the LLPs, it is not intended that its use be limited to that purpose. This practice is intended primarily as an approach to conducting an inquiry designed to identify recognized environmental conditions in connection with a subject property. No implication is intended that a person shall use this practice in order to be deemed to have conducted inquiry in a commercially prudent or reasonable manner in any particular transaction. Nevertheless, this practice is intended to reflect good commercial and customary practice (see 1.6).4.2 Clarifications on Use: 4.2.1 Use Not Limited to CERCLA—This practice is designed to assist the user in developing information about the environmental condition of a subject property and as such has utility for a wide range of persons, including those who may have no actual or potential CERCLA liability and/or may not be seeking the LLPs.4.2.2 Residential Tenants/Purchasers and Others—No implication is intended that it is currently customary practice for residential tenants of multifamily residential buildings, tenants of single-family homes or other residential real estate, or purchasers of dwellings for one’s own residential use, to conduct an environmental site assessment in connection with these transactions. Thus, these transactions are not included in the term commercial real estate transactions, and it is not intended to imply that such persons are obligated to conduct an environmental site assessment in connection with these transactions for purposes of all appropriate inquiries or for any other purpose. In addition, no implication is intended that it is currently customary practice for environmental site assessments to be conducted in other unenumerated instances (including but not limited to many commercial leasing transactions, many acquisitions of easements, and many loan transactions in which the lender has multiple remedies). On the other hand, anyone who elects to do an environmental site assessment of a subject property may, in such person’s judgment, use this practice.NOTE 1: The 2018 BUILD Act amended the CERCLA definition of bona fide prospective purchaser at § 101(40) to include certain commercial tenants or lessees who acquire a leasehold interest in a property. Therefore, in certain cases, a person acquiring a leasehold interest in a commercial property may need to conduct an environmental site assessment, for the purposes of all appropriate inquiries, into the previous ownership and uses of the leased commercial property to qualify for the bona fide prospective purchaser landowner liability protection.4.2.3 Site-Specific—This practice is site-specific in that it relates to the assessment of environmental conditions for specific commercial real estate. Consequently, this practice does not address many additional issues raised in transactions such as purchases of business entities, or interests therein, or of their assets, that may well involve environmental liabilities pertaining to properties previously owned or operated or other off-site environmental liabilities.4.3 Who May Conduct—A Phase I Environmental Site Assessment must be performed by an environmental professional as specified in 7.5.1. No practical standard can be designed to eliminate the role of judgment and the value and need for experience in the party performing the inquiry. The professional judgment of an environmental professional is, consequently, vital to the performance of all appropriate inquiries.4.4 Additional Services—As set forth in 12.10, additional services may be contracted for between the user and the environmental professional. Such additional services may include business environmental risk (BER) issues not included within the scope of this practice, examples of which are identified in Section 13 under Non- Considerations.4.5 Principles—The following principles are an integral part of this practice and are intended to be referred to in resolving any ambiguity or exercising such discretion as is accorded the user or environmental professional in conducting an environmental site assessment or in judging whether a user or environmental professional has conducted appropriate inquiry or has otherwise conducted an adequate environmental site assessment.4.5.1 Uncertainty Not Eliminated—No environmental site assessment can wholly eliminate uncertainty regarding the potential for recognized environmental conditions in connection with a subject property. Performance of this practice is intended to reduce, but not eliminate, uncertainty regarding the potential for recognized environmental conditions in connection with a subject property, and this practice recognizes reasonable limits of time and cost.4.5.2 Not Exhaustive—All appropriate inquiries does not mean an exhaustive assessment of a property. There is a point at which the cost of information obtained or the time required to gather it outweighs the usefulness of the information and, in fact, may be a material detriment to the orderly completion of transactions. One of the purposes of this practice is to identify a balance between the competing goals of limiting the costs and time demands inherent in performing an environmental site assessment and the reduction of uncertainty about unknown conditions resulting from additional information.4.5.3 Level of Inquiry is Variable—Not every property will warrant the same level of assessment. Consistent with good commercial and customary standards and practices as defined at 42 U.S.C. § 9601(35)(B), the appropriate level of environmental site assessment will be guided by the type of property subject to assessment, the expertise and risk tolerance of the user, future intended uses of the subject property disclosed to the environmental professional, and the information developed in the course of the inquiry.4.5.4 Comparison with Subsequent Inquiry—It should not be concluded or assumed that an inquiry was not all appropriate inquiries merely because the inquiry did not identify recognized environmental conditions in connection with a subject property. Environmental site assessments must be evaluated based on the reasonableness of judgments made at the time and under the circumstances in which they were made. Subsequent environmental site assessments should not be considered valid standards to judge the appropriateness of any prior assessment based on hindsight, new information, use of developing technology or analytical techniques, or other factors.4.5.5 Point in Time—The environmental site assessment is based upon conditions at the time of completion of the individual environmental site assessment elements (see 7.2).4.6 Continued Viability of Environmental Site Assessment: 4.6.1 Presumed Viability—Subject to 4.8 and the user’s responsibilities set forth in Section 6, an environmental site assessment meeting or exceeding this practice is presumed to be viable when it is conducted within 180 days prior to the date of acquisition9 of the subject property (or, for transactions not involving an acquisition such as a lease or refinance, the date of the intended transaction). The dates of the components presented in 4.6.2(i), (iii), (iv), and (v) for interviews, review of government records, visual inspections, and declaration by environmental professional, shall be identified in the report. Completion of searches for recorded environmental cleanup liens (4.6.2(ii)) is a user responsibility; however, if the user has engaged the environmental professional to conduct these searches, then that date shall also be identified in the report.4.6.2 Updating of Certain Components—Subject to 4.8 and the user’s responsibilities set forth in Section 6, an environmental site assessment meeting or exceeding this practice and for which the information was collected or updated within one year prior to the date of acquisition of the subject property (or, for transactions not involving an acquisition such as a lease or refinance, the date of the intended transaction) may be used provided that the following components of the inquiries were updated within 180 days prior to the date of purchase or the date of the intended transaction. All of the following components must be conducted or updated within 180 days prior to the date of acquisition or prior to the date of the transaction:(i) interviews with owners, operators, and occupants;(ii) searches for recorded environmental cleanup liens (a user responsibility, see Section 6);(iii) reviews of federal, tribal, state, and local government records;(iv) visual inspections of the subject property and of adjoining properties; and(v) the declaration by the environmental professional responsible for the assessment or update.4.6.3 Compliance with All Appropriate Inquiries—To qualify for one of the threshold criteria for satisfying the LLPs to CERCLA liability, the all appropriate inquiries components listed in 4.6.2 must be conducted or updated within 180 days of and prior to the date of acquisition of the subject property, and all other components of all appropriate inquiries must be conducted within one year prior to the date of acquisition of the subject property. The date of the report generally does not represent the date the individual components of all appropriate inquiries were completed and should not be used when evaluating compliance with the 180-day or 1-year all appropriate inquiries requirements.4.6.4 User’s Responsibilities—If, within this period, the environmental site assessment will be used by a user different than the user for whom the environmental site assessment was originally prepared, the subsequent user must also satisfy the user’s responsibilities in Section 6.4.7 Prior Assessment Usage—This practice recognizes that environmental site assessments performed in accordance with this practice will include information that subsequent users may want to use to avoid undertaking duplicative assessment procedures. Therefore, this practice describes procedures to be followed to assist users in determining the appropriateness of using information in environmental site assessments performed more than one year prior to the date of acquisition of the subject property (or for transactions not involving an acquisition such as a lease or refinance, the date of the intended transaction). The system of prior assessment usage is based on the following principles that should be adhered to in addition to the specific procedures set forth elsewhere in this practice:4.7.1 Use of Prior Information—Subject to the requirements set forth in 4.6, users and environmental professionals may use information in prior environmental site assessments provided such information was generated as a result of procedures that meet or exceed the requirements of this practice. However, such information shall not be used without current investigation of conditions likely to affect recognized environmental conditions in connection with the subject property. Additional tasks may be necessary to document conditions that may have changed materially since the prior environmental site assessment was conducted. Nothing in this practice is intended to convey a right to use or to rely upon resources, information, findings, or opinions provided in prior assessments.4.7.2 Contractual Issues Regarding Prior Assessment Usage—The contractual and legal obligations between prior and subsequent users of environmental site assessments or between environmental professionals who conducted prior environmental site assessments and those who would like to use such prior environmental site assessments are beyond the scope of this practice.4.8 Actual Knowledge Exception—If the user or environmental professional(s) conducting an environmental site assessment has actual knowledge that the information being used from a prior environmental site assessment is not accurate or if it is obvious, based on other information obtained by means of the environmental site assessment or known to the person conducting the environmental site assessment, that the information being used is not accurate, such information from a prior environmental site assessment may not be used.4.9 Rules of Engagement—The contractual and legal obligations between an environmental professional and a user (and other parties, if any) are outside the scope of this practice. No specific legal relationship between the environmental professional and the user is necessary for the user to meet the requirements of this practice.4.10 Organization of This Practice—This practice has thirteen sections and six appendixes. Section 1 is the . Section 2 is Referenced Documents. Section 3, Terminology, has definitions of terms not unique to this practice, descriptions of terms unique to this practice, and acronyms. Section 4 is of this practice. Section 5 provides discussion regarding activity and use limitations. Section 6 describes User’s Responsibilities. Sections 7 – 12 are the main body of the Phase I Environmental Site Assessment, including evaluation and report preparation. Section 13 provides additional information regarding non-scope considerations (see 1.4). The appendixes are included for information and are not part of the procedures prescribed in this practice. Appendix X1 explains the liability and defense provisions of CERCLA that will assist the user in understanding the user’s responsibilities under CERCLA; it also contains other important information regarding CERCLA, the Brownfields Amendments, and this practice. Appendix X2 provides the definition of the environmental professional responsible for the Phase I Environmental Site Assessment, as required in the “All Appropriate Inquiries” Final Rule (40 C.F.R. Part 312). Appendix X3 provides an optional User Questionnaire to assist the user and the environmental professional in gathering information from the user that may be material to identifying recognized environmental conditions. Appendix X4 offers an additional examination of the recognized environmental condition definition. Appendix X5 provides a suggested table of contents and report format for a Phase I Environmental Site Assessment. Appendix X6 summarizes non-scope considerations that persons may want to assess.1.1 Purpose—The purpose of this practice is to define good commercial and customary practice in the United States of America for conducting an environmental site assessment2 of a parcel of commercial real estate with respect to the range of contaminants within the scope of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) (42 U.S.C. § 9601) and petroleum products. As such, this practice is intended to permit a user to satisfy one of the requirements to qualify for the innocent landowner, contiguous property owner, or bona fide prospective purchaser limitations on CERCLA liability (hereinafter, the “landowner liability protections,” or “LLPs”): that is, the practice that constitutes all appropriate inquiries into the previous ownership and uses of the property consistent with good commercial and customary standards and practices as defined at 42 U.S.C. § 9601(35)(B). (See Appendix X1 for an outline of CERCLA’s liability and defense provisions.) Controlled substances are not included within the scope of this practice. Persons conducting an environmental site assessment as part of an EPA Brownfields Assessment and Characterization Grant awarded under CERCLA 42 U.S.C. § 9604(k)(2)(B) must include controlled substances as defined in the Controlled Substances Act (21 U.S.C. § 802) within the scope of the assessment investigations to the extent directed in the terms and conditions of the specific grant or cooperative agreement. Additionally, an evaluation of business environmental risk (BER) associated with a parcel of commercial real estate may necessitate investigation beyond that identified in this practice (see 1.4 and Section 13).1.1.1 Recognized Environmental Conditions—The goal of the processes established by this practice is to identify recognized environmental conditions. The term recognized environmental condition means (1) the presence of hazardous substances or petroleum products in, on, or at the subject property due to a release to the environment; (2) the likely presence of hazardous substances or petroleum products in, on, or at the subject property due to a release or likely release to the environment; or (3) the presence of hazardous substances or petroleum products in, on, or at the subject property under conditions that pose a material threat of a future release to the environment. A de minimis condition is not a recognized environmental condition.1.1.2 Petroleum Products—Petroleum products are included within the scope of this practice because they are of concern with respect to commercial real estate and current custom and usage is to include an inquiry into the presence of petroleum products when doing an environmental site assessment of commercial real estate. Inclusion of petroleum products within the scope of this practice is not based upon the applicability, if any, of CERCLA to petroleum products.1.1.3 CERCLA Requirements Other Than Appropriate Inquiries—This practice does not address whether requirements in addition to all appropriate inquiries have been met in order to qualify for the LLPs (for example, the duties specified in 42 U.S.C. §§ 9607(b)(3)(a) and (b) and cited in Appendix X1, including the continuing obligation not to impede the integrity and effectiveness of activity and use limitations [AULs], or the duty to take reasonable steps to prevent releases, or the duty to comply with legally required release reporting obligations).1.1.4 Other Federal, State, and Local Environmental Laws—This practice does not address requirements of any state or local laws or of any federal laws other than the all appropriate inquiries provisions of the LLPs. Users are cautioned that federal, state, and local laws may impose environmental assessment obligations that are beyond the scope of this practice. Users should also be aware that there are likely to be other legal obligations with regard to hazardous substances or petroleum products discovered in, on, or at the subject property that are not addressed in this practice and that may pose risks of civil and/or criminal sanctions for noncompliance.31.1.5 Documentation—The scope of this practice includes research and reporting requirements that support the user’s ability to qualify for the LLPs. As such, sufficient documentation of all sources, records, and resources utilized in conducting the inquiry required by this practice must be provided in the written report (refer to 8.1.9 and 12.2).1.2 Objectives—Objectives guiding the development of this practice are (1) to synthesize and put in writing good commercial and customary practice for environmental site assessments for commercial real estate; (2) to facilitate high quality, standardized environmental site assessments; (3) to provide a practical and reasonable standard practice for conducting all appropriate inquiries; and (4) to clarify an industry standard for all appropriate inquiries in an effort to guide legal interpretation of the LLPs.1.3 Units—The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.4 Considerations beyond —The use of this practice is strictly limited to the scope set forth in this section. Section 13 of this practice identifies, for informational purposes, certain environmental conditions (not an all-inclusive list) that may exist at a subject property that are beyond the scope of this practice, but may warrant consideration by parties to a commercial real estate transaction. The need to include an investigation of any such conditions in the environmental professional’s scope of services should be evaluated based upon, among other factors, the nature of the subject property and the reasons for performing the assessment (for example, a more comprehensive evaluation of business environmental risk) and should be agreed upon between the user and environmental professional as additional services beyond the scope of this practice before initiation of the environmental site assessment process.1.5 This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project’s many unique aspects. The word “Standard” in the title means only that the document has been approved through the ASTM consensus process.1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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4.1 Work practices, engineering controls, personal protective equipment and other precautions to minimize exposure to airborne asbestos fibers have been extensively documented in regulations, training manuals and other publications. The work described in these publications ranges from large-scale abatement projects to minor disturbances and clean-up. Practices E1368 and E2394 address these issues within the context of their subject matter.4.2 This practice applies to specific types of asbestos work where the same task is performed by various persons without substantial deviation from a documented procedure and with material containing the same type and similar content of asbestos fiber. The exposure from such operations can be expected to remain fairly consistent as long as these parameters do not vary substantially and the workers have received the required training to perform the task.4.3 Because of the variability in field conditions under which large-scale work such as asbestos abatement is performed, the opportunity to collect sufficient personal air samples under conditions similar enough to establish statistical confidence can be questioned. For this reason, this practice does not address the collection of such samples and their use for determining exposure data to apply on other projects. Users with such requirements are referred to the applicable regulations for guidance.4.4 There are many tasks, however, that are of short duration and amenable to testing under controlled conditions for assessing worker exposure. These tasks are performed by equipment installers and other tradesmen in the course of their ordinary duties in what this practice refers to as the current job. The following list of potential tasks where ACMs can be disturbed is by no means inclusive and the feasibility of conducting an Exposure Assessment is the responsibility of the user:4.4.1 Drilling holes through asbestos floor tile and sheet vinyl flooring,4.4.2 Removing small pieces of floor tile and sheet vinyl flooring to expose the substrate,4.4.3 Drilling holes through asbestos-cement roofing, siding, ceiling panels, ducts, and pipes,4.4.4 Drilling and cutting holes in wallboard,4.4.5 Drilling holes in ceiling tiles,4.4.6 Removing and replacing ceiling tiles,4.4.7 Patching roofing materials,4.4.8 Removing window putty and caulking,4.4.9 Cleaning asbestos-lined or contaminated ducts,4.4.10 Removing gaskets and packing,4.4.11 Removing and installing locksets in fire doors,4.4.12 Taking bulk samples of suspect ACM,4.4.13 Removing and patching acoustical ceiling texture and fireproofing, and4.4.14 Removing and replacing insulation on pipes, tanks, boilers, ducts, etc.4.5 The Exposure Assessment is based on personal air samples taken over a full or partial shift to determine an 8-h TWA exposure and a short-term Excursion Limit exposure, which requires that two sampling pumps be worn.4.6 Samples are taken for comparison with criteria determined by the user, including but not limited to the following:4.6.1 Permissible Exposure Limits (PELs), including the 8-h TWA of 0.1 f/cc and the 30-min EL of 1.0 f/cc, or to establish engineering controls, respiratory and personal protection, and other requirements in accordance with 29 CFR 1926.1101;NOTE 1: These OSHA PELs will be used for illustration purposes in this practice.4.6.2 National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit of 0.1 f/cc;4.6.3 American Conference of Governmental Industrial Hygienists (ACGIH6) Threshold Limit Value (TLV7) of 0.1 f/cc for respirable fibers;4.6.4 Employee exposure limits imposed by other governmental jurisdictions;4.6.5 Employee exposure limits to establish engineering controls, respiratory and personal protection, and other requirements of an employer’s policy or the requirements of a specification or procedure that applies to the current job; and4.6.6 Non-occupational exposure limits for building occupants and other affected persons.4.7 Compliance with the PELs and other criteria is typically determined by analyzing the air samples using NIOSH Method 7400 for Phase Contrast Microscopy, which reports all fibers meeting the counting criteria and does not distinguish between asbestos and non-asbestos fibers. The Exposure Assessment can be based on analysis using NIOSH Method 7402 for Transmission Electron Microscopy, which identifies asbestos fibers and adjusts the fiber count from a NIOSH Method 7400 analysis.4.8 An important aspect of an Exposure Assessment is determining a margin of safety between the exposures measured during the test and criteria for respiratory protection, regulatory compliance or other purposes. This practice therefore includes a statistical test (Confidence Factor) for the exposure based on the air sample results from a test as described in Section 7.4.9 The responsibility for comparing the results of the test performed for the Exposure Assessment is given to the competent person, usually but not necessarily someone in a supervisory capacity, who compares the conditions under which the test was performed to those for the current job to which a worker has been assigned. If the work practices and asbestos-containing materials are sufficiently similar in the judgment of the competent person, and the worker has been trained on the work practice using simulated asbestos-containing materials, the competent person certifies that the Exposure Assessment applies to the current job for purposes of respiratory protection and other precautions. A form is provided in Appendix X1 for this purpose.NOTE 2: OSHA regulations in 29 CFR 1926.1101 permit an employer to dispense with respiratory protection and other precautions on the basis of an Exposure Assessment (sometimes called a Negative Exposure Assessment) or on the basis of “objective data.” This practice does not use the terms “Negative Exposure Assessment” and “objective data,” and the responsibility for elimination of protective measures based on an Exposure Assessment remains with the competent person. 29 CFR 1926.1101 requires a “high degree of certainty” that the PELs will not be exceeded, but does not define this parameter.1.1 This practice establishes procedures for assessing the exposure of workers to airborne fibers who perform repetitive tasks of short duration where small quantities of asbestos-containing materials must be disturbed in order to perform maintenance and installation activities.1.2 This practice describes the facilities and equipment for performing the tasks under controlled conditions for the express purpose of collecting personal air samples to determine worker exposure. The tasks are performed on actual asbestos-containing materials during Exposure Assessment tests and precautions are taken for personal protection and avoiding contamination of adjacent spaces.1.3 This practice describes the air sample collection procedures, the analytical methods for the air samples, and the calculation of worker exposure including the use of statistical confidence limits. This practice differentiates between the test to obtain exposure data and the current job to which the data are applied, and describes the duties of the individuals who conduct these separate activities.1.4 The results are applied to the current job as defined herein for determining worker protection such as respiratory protection or for other purposes as determined by the competent person responsible for the current job. The results of the tests shall not be applied to current jobs that are expected to differ substantially from the test conditions in work practices, material properties or other factors that might affect the concentration of airborne asbestos fibers.1.5 This practice is not intended to be used for asbestos abatement work for which the objective is the removal of asbestos-containing materials. It is designed to assess exposures for short-term repetitive tasks. Compliance with regulatory requirements as to the purpose of the work and limits on the quantity of asbestos-containing materials disturbed is the responsibility of the user.1.6 This practice describes procedures for determining exposure to airborne asbestos fibers. It does not purport to determine the risk of acquiring an asbestos-related disease for any individual, trade or work practice, nor does it represent that compliance with any criterion constitutes a “safe” level of exposure that is free of such risk.1.7 Hazards—Asbestos fibers are acknowledged carcinogens. Breathing asbestos fibers may result in disease of the lungs including asbestosis, lung cancer, and mesothelioma. Precautions should be taken to avoid breathing airborne asbestos particles from materials known or suspected to contain asbestos. See 2.2 for regulatory requirements addressing asbestos.1.8 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.1.9 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.10 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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5.1 This guide is intended to help prevent lead poisoning of children by providing standardized procedures for conducting a lead hazard assessment and providing information needed to develop and recommend lead hazard control options as described in Practice E2252.5.2 This guide is applicable for use in either occupied or unoccupied dwellings and in other child-occupied facilities.5.3 The procedures in this guide, when supplemented by recommendations for controlling lead hazards, provide for the conduct of a lead risk assessment of a dwelling or of other child-occupied facilities.5.4 This guide may be used to supplement assessment procedures used to determine the causes of elevated blood lead (EBL) levels in young children.NOTE 2: In cases of EBL levels, investigation of the total living environment of the child and a pediatric medical evaluation may also be needed. Reference should be made to documents such as Managing Elevated Blood Lead Levels Among Young Children,6 Preventing Lead Poisoning in Young Children (1991),7 the HUD Guidelines, and Screening Young Children for Lead Poisoning (1997).75.5 Although this guide was developed for dwellings and for other child-occupied facilities, this guide may be suitable for lead hazard assessments in non-residential buildings and other properties following agreement between assessor and client on appropriate lead action levels.5.6 This guide is not intended for use in identifying building materials that when abraded or otherwise degraded, such as that which may occur in remodeling or renovation activities, may result in lead hazards.5.7 Lead hazard assessment reports describe lead hazards identified at the time the assessment was performed. The locations, types, or severities of lead hazards can change over time as a result of property improvement or deterioration, significant changes in property use, or other factors.NOTE 3: The term “lead-free” should never be used to describe the absence of lead hazards because testing methodologies are not designed to measure the total absence of lead. Small amounts of lead present in building materials and components or soil may result in a hazard with changes in building conditions or as a result of activities that create dust that contains lead.5.8 This guide is applicable for assisting professionals, homeowners, owners or occupants of rental property, lenders, insurers, and others with a property interest in determining the presence of lead hazards.5.9 This guide also is applicable for assisting designers of lead hazard mitigation projects to target resources toward lead hazard controls that are deemed most likely to result in the prevention of lead poisoning in young children.1.1 This guide covers how to conduct, document, and report findings of a lead hazard assessment of dwellings and of other child-occupied facilities.1.2 Procedures for assessment of personal items, such as toys, dishes, and hobby materials that may contribute to elevated lead levels in blood are not included in this guide.1.3 Procedures for random sampling of units within dwellings having multiple units are not included.1.4 This guide contains notes, which are explanatory, and are not part of the mandatory requirements of this guide.1.5 The values stated in SI units are to be regarded as the standard.1.5.1 Exception—The inch-pound and SI units shown for wipe sampling data are to be individually regarded as standard for wipe sampling data.1.6 Methods described in this guide may not meet or be allowed by requirements or regulations established by local authorities having jurisdiction. It is the responsibility of the user of this standard to comply with all such requirements and regulations.1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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4.1 The purpose of this standard is to provide the user information and guidance for selecting and using instrumentation that will provide measurement results that can be compared to criteria for unrestricted use.4.2 Use of this standard will provide greater assurance that the measurements obtained will be technically and administratively sufficient for making decisions regarding completion of decontamination and/or demolition/removal activities.4.3 Use of this standard will provide greater assurance that the measurements obtained will be technically and administratively sufficient to meet all applicable regulatory requirements for unrestricted release of a component for recycle or reuse, or for unrestricted release of a remaining surface or area.1.1 This standard provides recommendations on the selection and use of portable instrumentation that is responsive to levels of radiation that are close to natural background. These instruments are employed to detect the presence of residual radioactivity that is at, or below, the criteria for release from further regulatory control of a component to be salvaged or reused, or a surface remaining at the conclusion of decontamination and/or decommissioning.1.2 The choice of these instruments, their operating characteristics and the protocols by which they are calibrated and used will provide adequate assurance that the measurements of the residual radioactivity meet the requirements established for release from further regulatory control.1.3 This standard is applicable to the in situ measurement of radioactive emissions that include:1.3.1 alpha1.3.2 beta (electrons)1.3.3 gamma1.3.4 characteristic x-rays1.3.5 The measurement of neutron emissions is not included as part of this standard.1.4 This standard dose not address instrumentation used to assess residual radioactivity levels contained in air samples, surface contamination smears, bulk material removals, or half/whole body personnel monitors.1.5 This standard does not address records retention requirements for calibration, maintenance, etc. as these topics are considered in several of the referenced documents.1.6 Non-SI units are used and appropriate for this guide as they are industry standard. Mathematical equivalents may be provided in parentheses.1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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