EPA Method 300.0 Anions, 1000µg/ml in Water, 100ml

17 alpha(H),21ß(H)-(22R)-Homohopane, 50µg/mL in isooctane, 1ml

Pencycuron, 10.0 µg/ml, Acetonitrile, 10ml

Flurenol-butyl,100 µg/mL,MeOH,1mL,