Simetryn, 100µg/ml in Acetonitrile, 1ml

1,4,6,7,8-Pentachlorodibenzofuran (or 2,3,4,6,9), 1.2mL x 50ug/mL, nonane

Methidathion, 100 µg/ml, Toluene, 1ml

Chlorinated Anisoles Standard #1