EPA Method 8020 Analytes

Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol

2,4'-DDE, 100 µg/ml, Methanol, 1ml

Cadalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 483-78-3