Ibuprofen, 100μg/ml in MeOH, 1ml

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

2,2',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35065-27-1

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