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1.1 This test method describes a procedure for the analysis of total boron in coal.

1.2 Units—The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.3 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.

1.4 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.

5.1 The possible emission of boron that may be found in coal from coal combustion is an environmental concern.

5.2 When test portions are burned according to this procedure, the total boron is quantitatively retained and is representative of concentrations in the whole coal.