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1.1 This test method covers the fueling and operating protocol for determining average particulate matter emissions from wood fires in wood-burning room heaters and fireplace inserts as well as options for determining heat output, efficiency, and carbon monoxide emissions.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that 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. Refer to 4.3.

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 This test method is used for determining particulate matter (PM) emission rates and emission factors for wood heaters.

5.2 This method is used in conjunction with Annex A2 for determining particulate matter (PM) emissions for Single Burn Rate heaters.

5.3 Use of this test method in conjunction with Annex A1 and CSA B415.1 allows overall thermal efficiency, carbon monoxide emission rate, and particulate matter per unit of heat output to be determined.

5.4 The fuel load specified in this test method is cordwood that is representative of the fuel actually burned in homes. The intent is that the results from this test method will be more predictive of in-home performance than other test methods using a lumber crib of uniform dimensions.