Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml

Sulfamethoxazole, 100 µg/ml, Methanol, 1ml

Isofenphos-oxon, 10 µg/ml, Acetonitrile, 10ml

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