EPA Method 502.2/524.2 Volatile Standard

1H,1H,2H,2H-Perfluorooctane sulfonic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27619-97-2

Parathion-methyl, 10.0 µg/ml, Acetonitrile, 10ml

2-Phenoxy-1-ethanol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 122-99-6