iso-Chloridazon, 100 µg/ml, Acetonitrile, 1ml

Pesticide Mix (Acetochlor, Metazachlor, Alachlor, Terbuthylazine, Terbuthylazine-desethyl), 10µg/ml in Hex/1% AC, 1ml

1,3-Dinitrobenzene

EPA Method 8250 Base/Neutrals Spiking Solution