N.Y. Comp. Codes R. & Regs. tit. 1 § 158.3
Current through Register Vol. 46, No. 45, November 2, 2024
Fineness shall be measured in reference to a 20-mesh and 100-mesh sieve only. The sieves used shall be full height, eight-inch diameter, of the United States standard sieve series; so-called Tyler sieves, as adopted by the American Society for Testing and Materials (see A.S.T.M. Designation: E-11-61), the National Bureau of Standards and the Association of Official Agricultural Chemists.
N.Y. Comp. Codes R. & Regs. Tit. 1 § 158.3