Pendimethalin, 100 µg/ml, Acetone, 1ml

trans-1,2-Dichloroethylene, 100µg/ml in MeOH, 5ml

Formaldehyde-2,4-DNPH, 1000µg/ml in Acetonitrile, 5ml

Haloacetonitriles, 2000µg/ml in in MTBE, 1ml