EPA Method 502/524 High Conc VOC Mix #2

Sulfamethazine, 100 µg/ml, Methanol, 1ml

2,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 3424-82-6

Phorate, 100 ng/µl, 1ml