Chlorpyrifos, 100 µg/ml, Ethyl acetate, 5ml

Monocyclohexyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml

3,5-Dichlorophenol, 100 µg/ml, Methanol, 5ml

2,3,4,4',6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,