Sebuthylazin-desethyl, 100 µg/ml, Acetonitrile,

2,3,4,5-Tetrachloroanisole, 100 µg/ml, Methanol,

4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml

Di-n-butyl-carbonate,neat,neat,1g,