. . . . . "Reference methods 24 and 25"@en . . . . . . "Reference method 24, determination of volatile matter content, water content, density, volume solids, and weight solids of surface coatings, reference method 25, determination of total gaseous nonmethane organic emissions as carbon background information for promulgated test methods"@en . . . "Reference method 24, determination of volatile matter content, water content, density, volume solids, and weight solids of surface coatings, references method 25, determination of total gaseous nonmethane organic emissions as carbon : background information for promulgated test methods"@en . .