O-T-620C (INTERIM AMENDMENT 3), FEDERAL SPECIFICATION: 1,1,1-TRICHLOROETHANE, TECHNICAL, INHIBITED (METHYL CHLOROFORM) (6 JUN 1977) [S/S BY ASTM-D4126]

O-T-620C (INTERIM AMENDMENT 3), FEDERAL SPECIFICATION: 1,1,1-TRICHLOROETHANE, TECHNICAL, INHIBITED (METHYL CHLOROFORM) (06 JUN 1977) [S/S BY ASTM-D4126]., The General Services Administration has authorized the use of this interim amendment as a valid exception to Federal specification O-T-620C, dated September 13, 1967.