EPA Method 525 Pesticide Standard Sub Conc

1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Tris(4-nitrophenyl) Phosphate, >98%, 25g

Monocrotophos, 10.0 µg/ml, Acetonitrile, 10ml