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coal an lignite test metho for aggregate 1

Kentucky Method 64-615-083 Revised 2603022108 Supersedes KM 64-615-031 Dated 21601020603 DETERMINATION OF COAL AND LIGNITE IN AGGREGATES 1. SCOPE 1.1. This method covers the determination of the percentage of coal and lignite in both fine and coarse aggregates. The determination in fine aggregate is made by means of sink-float