EPA Method 552.2 - Surrogate Standard

Dichlone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 117-80-6

1H,1H,2H,2H-Perfluorohexanesulfonic acid, 10mg

3,4-Dimethylthieno[2,3-b]thiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17502-58-1