(-)-Nicotine, 100 µg/ml, Methanol, 1ml

D8-4,4'-DDT, 100 µg/ml, Acetone, 1ml

S-4394 B[a]P/HCB Recovery Standard (solvent - Nonane) Product Concentration 2,3,3',5,5'-PeCB 100 µg/mL

Oxadiazon, 10μg/ml in Acetonitrile, 10ml