Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL,

Pebulate, 10 µg/ml, Ethyl acetate, 10ml

Prometon-d14 (di-iso-propyl-d14), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219803-45-8

D5-Propachlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml