Chlorotoluron, 10.0 µg/ml, Acetonitrile, 10ml

Ethanol standard in water,0.3g/L,water, 1.5mL

1,2,3,6,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Sodium (Na), 1000µg/ml in 2%-HNO3/Water, 100ml