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Standard Practice for Sampling of High Pressure Hydrogen and Related Fuel Cell Feed Gases
1.1 This standard practice describes a sampling procedure of high pressure hydrogen at fueling stations operating at nominal working pressures (NWP) up to 70 megapascals (MPag) using a hydrogen quality sampling apparatus (HQSA).
1.2 This practice does not include the analysis of the acquired sample.
1.3 This practice is not intended for sampling and measuring particulate matter in high pressure hydrogen. For procedures on sampling and measuring particulate matter see Practice D7650 and Test Method D7651.
1.4 The values stated in SI units are standard. The values stated in inch-pounds are for information only.
1.5 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.
1.6 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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