EPA Method 1666Labeled Standard

4,4'-Thiodianiline, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 139-65-1

Aclonifen, 10.0 µg/ml, Ethyl acetate, 10ml

1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml