1.1 This practice describes highway-traffic monitoring, which is the activity of collecting, summarizing, and reporting traffic volume, vehicle classification, and vehicle weight data. This practice is foundational and is not intended to be all-inclusive. Users of this practice are allowed, indeed encouraged, to exceed the practice. 1.2 Traffic monitoring results in traffic-volume, classification, and weight-summary statistics which are used in highway geometric and pavement design, alternative highway route selection, roadway demand and service assessment, and accident-exposure estimation. 1.3 Traffic-monitoring practices are based on the principle of truth-in-data. This principle involves providing the supplementary information required for appropriate use of traffic data and summary statistics. 1.4 To measure traffic for summary-statistic calculation, traffic-monitoring practices are also based on the principle of unedited base-data integrity. Missing or inaccurate unedited base data shall not be completed, filled-in, or replaced for any type of traffic measurement. 1.5 A limitation of this practice is traffic-data summarization. Traffic-data summarization procedures are hypotheses, particularly in the use of adjustment factors. These hypotheses shall be consistently calculated, but may also be expected to be challenged and to change across time. These changes will be important in improving the precision of traffic-summary statistics. 1.6 The inherent limitation of traffic-monitoring practice results in strict adherence to the principle of unedited base-data retention. Only with adequate historical unedited base data can alternative hypotheses be tested, the impact of the alternative hypotheses assessed, and standard practice refined. 1.7 The values stated in inch-pound units are to be regarded as standard. 1.8 The following safety hazards caveat applies only to the traffic data collection portion, Section 6, of this practice. 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 and health practices and determine the applicability of regulatory limitations prior to use.

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1.1 This classification system covers all naturally occurring uranium-bearing materials and is based on level of geologic knowledge and economic producibility of the resource at a given time. 1.2 Assessments of uranium resources are made for two purposes: ( ) to provide aggregate information on the resources of a region or country and ( ) to provide information needed for decisions concerning the resources of specific properties or deposits. 1.3 For regional appraisals, broad categories of uranium resources defined in general terms are the most useful. 1.4 For specific consideration of an individual property or to establish the availability of producible resources for commercial purposes, the terms and definitions used require a narrow construction and place emphasis on reliability and the quantification of mineral values in known deposits.

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1.1 This specification covers silicone elastomers intended for use as materials of construction for fabrication of medical devices. 1.2 Variations in ingredients, processing, and vulcanization (crosslinking/cure) systems of silicone elastomer are necessary to achieve the properties required in specific medical device applications. 1.2.1 An alphabetical/numerical code abbreviation is defined in this specification as what may be used to specify ingredients, crosslinking systems, processing conditions, and physical properties of many silicone elastomers used in medical device applications by a standard, abbreviated designation. 1.3 In all cases where the provisions of this specification are in conflict with those of the detailed specifications for a particular product, the latter shall take precedence. 1.3.1 When silicone elastomers are used in medical device applications where the materials requirements cannot be completely achieved by the technology prescribed in this specification, it may be necessary to adjust ingredients, processing, or cure systems to a greater extent to obtain the properties needed in these specific medical device applications. 1.3.1.1 When silicone elastomers are adjusted more extensively than prescribed in this specification, such adjustments shall be completely described and controlled in specifications for each specific material. 1.3.1.2 All sections of this specification that contain requirements pertinent to safety and effectiveness apply to all silicone elastomers used as materials of construction for medical devices, including those adjusted more broadly than defined in this specification. 1.4 While silicone elastomers have demonstrated excellent biocompatibility in medical device applications, the biocompatibility of silicone elastomers as a generic class has not been established. Many compositions and formulations are possible. Manufacturing practices, facilities, controls, process validation, and other considerations that ensure batch-to-batch duplication, assurance of identity, and quality of ingredients, as well as freedom from contamination or cross-contamination may vary widely within the silicone elastomer industry. Medical device manufacturers must ensure safety and effectiveness of each specific composition or formulation from each supplier in its intended applications. Historic, clinical, and biocompatibility data are pertinent prospectively only when all compounding, formulating, and fabrication are done in accordance with the provisions of Good Manufacturing Practice Regulations, which help ensure medical materials and devices are reasonably duplicated each time they are manufactured. 1.5 This specification is intended to assist in the development of specifications for formulated silicone elastomer compounds. It is also recommended for use in materials and finished device labeling to specify the type or types of silicone elastomers contained. 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 and health practices and determine the applicability of regulatory limitations prior to use.

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1.1 This practice covers procedures for determining and reporting the neutron fluence rate and fluence for the correlation of radiation-induced changes in nuclear graphites.1.2 The purpose of this practice is to achieve better correlation and interpretation of new data in the field of radiation effects testing of specimens of graphites to be used for moderator or reflector components of fission reactors.1.3 Excluded from this practice are graphite test specimens containing fissionable materials and specimens containing materials having high neutron cross sections.

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1.1 This specification establishes the requirements for round, square and flat phosphor bronze wire of UNS Alloy Nos. C51000, C52100 and C52400 for general and spring applications. 1.1.1 Rectangular and square wire of the three alloys are generally available in sizes up to a maximum of 0.188 in. thick and 1.250 in. wide. 1.1.2 Round wire from Copper Alloy UNS No. C51000 is generally available in sizes up to 0.500 in. in diameter. 1.1.3 This specification is the companion to SI Specification B159M. Note 1- It is to be understood that this specification is general. Since the product is used for many applications where the requirements of the operations used are too particular to be specified by any of the ordinary mechanical tests, it is frequently advisable to submit samples or drawings to the manufacturer and secure an adjustment of temper to suit the actual application for which the product is intended. Note 2- Product in rod, bar and shape form is produced to Specification B139.

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1.1 This specification establishes the requirements for round, square and flat phosphor bronze wire of UNS Alloy Nos. C51000, C52100 and C52400 for general and spring applications. 1.1.1 Rectangular and square wire of the three alloys are generally available in sizes up to a maximum of 5 mm thick and 32 mm wide. 1.1.2 Round wire from Copper Alloy UNS No. C51000 is generally available in sizes up to 13 mm in diameter. 1.1.3 This specification is the SI companion to Specification B159. Note 1-It is to be understood that this specification is general. Since the product is used for many applications where the requirements of the operations used are too particular to be specified by any of the ordinary mechanical tests, it is frequently advisable to submit samples or drawings to the manufacturer and secure an adjustment of temper to suit the actual application for which the product is intended. Note 2- Product in rod, bar and shape form is produced to Specification B139M.

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1.1 This classification covers certain fire-clay refractories for steel pouring pit service. It covers only burned products made by the usual processes of manufacture. The purpose of this classification is to describe the various classes and types of materials in accordance with the normal and characteristic properties that are important in their use. 1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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1.1 This specification covers perforated drain tile made from clay, shale, fire clay, or mixtures thereof, and fired. In this specification, the term perforated drain tile or tile shall mean tile made only from these materials.1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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1.1 This specification covers dimensional requirements for electrodeposited coating on threaded fasteners with M metric threads. It establishes a service condition classification for these fasteners and specifies coating thicknesses as well as hydrogen embrittlement relief for high-strength and surface-hardened fasteners.

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1.1 This specification covers ductile iron castings that are subsequently heat treated by an austempering process as defined in 8.1. 1.2 The application of the austempering heat treatment extends the range of properties achievable in ductile iron castings. 1.3 No precise quantitative relationship can be stated between the properties of the iron in various locations of the same casting or between the properties of castings and those of a test specimen cast from the same iron (see Appendix X1). However, austempering heat treatment will tend to diminish any differences in mechanical properties. 1.4 The production of castings, machining (if required), and the austempering heat treatments may be performed by different manufacturers, as covered in Section 13. The purchaser should establish by contract agreement, at the time of ordering, the responsibility of the various parties for meeting the specification requirements. 1.5 The values in this specification are stated in SI units. Note 1-A companion specification, A897, has been developed in which the values are stated in inch-pound units. Each specification is independent and the mathematical conversions are not exact equivalents.

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1.1 This practice covers flux fusion sample decomposition and dissolution for the determination of SiO2 as well as many other oxides in glasses, ceramics, and raw materials. The solutions are analyzed by atomic spectroscopy methods. Analyte concentrations ranging from trace to major levels can be measured in these solutions, depending on the sample weights and dilution volumes used during preparation.1.2 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 8.

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1.1 This specification establishes a group of requirements common to wrought copper alloy wire and shall apply to Specifications B16M, B99M, B159M, B197M, and B206M to the extent referenced therein. 1.2 The chemical composition, physical and mechanical properties, and all other requirements not included in this specification shall be prescribed in the product specification. 1.3 This specification is the SI companion to Specification B250. 1.4 SI units are the measurement standard.

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1.1 This specification covers the functional dimensions and tolerances for tapered cones of proximal femoral stems and the bores of mating ceramic and metal heads. 1.2 This specification does not cover the dimensions of proximal femoral stems other than the cone portion, nor does it cover the dimensions of the ceramic/metal femoral heads, other than the inside tapers. 1.3 The dimensions stated in SI units are to be regarded as the standard. 1.4 The purpose of this specification is to codify matching bore and cone combinations for easy identification. Nonetheless, components from different manufacturers should not be mixed because the combinations of tolerances within the family, surface finish, and configuration from the different manufacturers may not have been validated through axial load strengths or fatigue strength. 1.5 The codification described in this specification represents the most current state of the art at the time of balloting. Future additions can be made but because of the time required to revise the specification, it is recommended that the manufacturer of new combinations label their components with at least the angles until such time that new code letters can be established in accordance with future revisions of this specification.

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1.1 This specification covers requirements for materials, dimensions, and test methods for PVC and ABS plastic pipe joints in which an annular sealed space between pipe and socket surfaces is injected with solvent cement. 1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 The following precautionary caveat pertains only to the test methods portion, Section 7, of this specification: This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 1.3.1 For safe handling, see Practice F402.

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