O-I-568D, FEDERAL SPECIFICATION, INSECTICIDE, DDT (75 PERCENT, WATER-DISPERSIBLE POWDER) (4 DEC 1969)

O-I-568D, FEDERAL SPECIFICATION, INSECTICIDE, DDT (75 PERCENT, WATER-DISPERSIBLE POWDER) (4 DEC 1969)., This specification covers insecticide, dichlorodlphenyltricholoroethan (DDT), 75 percent, water-dispersible poweder, suitable for use, when dispersed in water, as a residual spray for the control of mosquitoes and fleas.