ASTM E3181-24 PDF
1.1This practice provides criteria for the sampling, testing, and calculation methodologies used for the quantification of the converted fraction of starch and cellulosic content. Furthermore, this practice covers procedures for the management of the standard error associated with the sampling and testing of before conversion and after conversion samples from a fuel ethanol production facility.
1.1.1This practice can be used to determine the volume of renewable fuel produced from the simultaneous conversion of starch and cellulosic material eligible for generating D3 RINs under the United States (U.S.) Renewable Fuel Standard (RFS).
1.2This practice covers the collection and testing of heterogeneous material, including, but not limited to: corn, sorghum, wheat, mash, beer, whole stillage, dried distillers grains with solubles (DDGS), and dried distillers grains.
1.3This practice is intended to be used in renewable fuel production facilities designed to produce renewable alcohols. Use of this practice in any other type of process has not been reviewed.
1.4This practice can be utilized using either manual or automatic sampling techniques, so long as the criteria of this practice are followed.
1.5This 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.
1.6This 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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