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Popular Standards Bundles. Drawing and Drafting. Telecommunications Standards. AWS D1. Means, Inc. Complete Document. Includes all amendments and changes through Editorial Change 1, September Detail Summary View all details. Price USD. Single User. In Stock. Need it fast? Ask for rush delivery. Most backordered items can be rushed in from the publisher in as little as 24 hours.
Some rush fees may apply. Add to Cart. View Full Details and Buy. Complementary Documents and Links:. Scope This practice covers procedures for the collection of a sample under various conditions of sampling.
The sample is to be crushed and further prepared for analysis in accordance with Method D However, the procedures for dividing large samples before any crushing are given in this practice. This practice describes general and special purpose sampling procedures for coals 1 by size and condition of preparation for example, mechanically cleaned coal or raw coal and 2 by sampling characteristics.
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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Historical Version s - view previous versions of standard. Work Item s - proposed revisions of this standard. More D Because of the variability of coal and the wide variety of sampling equipment, caution should be used in all stages of sampling, from system specifications and equipment procurement to equipment acceptance testing and actually taking the final sample. These parameters may affect the lot's value, its ability to meet specifications, its environmental impact, as well as other properties. However, the procedures for dividing large samples before any crushing are given in this practice. 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.
ASTM D2234/D2234M - 20