4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml

1,3,8-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene

2,2,4,6,6-Pentachlorobiphenyl, BZ-104

Method 1618 Organophosphorus Pesticide Mix “C”