EPA Method 8121 Analytes

2',3,5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-68-5

Ethoprophos, 10.0 µg/ml, Acetonitrile, 10ml

4,4’-DDE