Hexavalent Chromium (Cr+6), 10mg/mL in H2O, 500ml

Dicloran, 100 µg/ml, Acetonitrile, 1ml

Permethrin (mix isomers), 1000µg/ml in Acetonitrile, 1ml

n-Alkanes mixture C20+C40 1140,20 Eicosane 1160,40 n-Tetracontane Conc: 100µg each/mL in n-Pentane Units: 5mL in Screw-cap bottles