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1.1 This test method provides an estimate of the degree of particle coating in an asphalt-aggregate mixture on the basis of the percentage of coarse particles classified as being completely coated.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the 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 and health practices and determine the applicability of regulatory limitations prior to use.

4.1 The procedure in this test method for estimating the percentage of coated particles after varying mixing times is used to establish the least mixing time required to produce satisfactory coating for a given set of conditions. This procedure can also be used to sample cold mixtures from stockpiles to determine that satisfactory coating has been retained in the stockpile.

4.2 This procedure is used with asphalt mixtures or with cold-mixed, cold-laid asphalt paving mixtures such as specified in Specification D4215.

4.3 This test method should not be used for acceptance/rejection by owner agencies.