EPA Method 509 Internal Standard

Acephate, 10.0 µg/ml, Ethyl acetate, 10ml

Sodium 8-chloroperfluoro-1-octanesulfonate, 1.2ml x 50ug/ml, methanol

Arochlor 5460 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11126-42-4