Methomyl, 100 µg/ml, Acetonitrile, 5ml

EPA Method 8260 - Purgeable Internal Standard

Iopromide, 100µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 73334-07-3

2,2',3,3',4,4',5,6,6'-Nonachlorobiphenyl