Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml

Profluralin, 10.0 µg/ml, Ethyl acetate, 10ml

Benzo[ghi]perylene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 93951-66-7

Fermentation Standard HPLC