EPA Method 524.3 - Surrogate Standard

2,6-Dimethyl-4-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2423-71-4

Alachlor OA, 100 µg/ml, Acetonitrile, 1ml

2,2',4,4',5-Pentachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane