Phenol, 100 µg/ml, Methanol, 1ml

Benzo[a]pentacene (in vial for quick-preparation of solution), neat, Solvent-neat, Unit ca. 100µg, # of units-1, Cas.no. 239-98-5

Semi-Volatile Standard

Dichlorvos, 100 µg/ml, Ethyl acetate, 5ml