EPA Method 1613 Calibration Kit, 5 ampoules, nonane

Picric acid, 100 µg/ml, Acetonitrile, 10ml

4,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml

Dehydroepiandrosterone (DHEA), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 53-43-0