Dichlorvos, 10.0 µg/ml, Ethyl acetate, 10ml

2-Perfluorohexyl ethanol (6:2 FTOH), 50µg/ml in MeOH, 1,2ml

2,4,5-Trihlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 15862-07-4

Methylarsonic acid (As)