Hexogen, 100 µg/ml, Acetonitrile, 1ml

alpha-Endosulfan, 100 µg/ml, Methanol, 1ml

Benzo(a)pyrene, 10 ng/µl, 10ml

2,3,3',4,4',5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,