4-Aminobiphenyl, 100 µg/ml, Acetonitrile, 1ml

1,2,3,4,7,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Bentazone D6 100 µg/mL in Acetone. Short expiry date due to chemical nature of component(s)

CONOSTAN Standard S-21, 100 ppm, 100g