gamma-BHC, 1000μg/ml in MeOH, 1ml

Permethrin (mix isomers), 1000µg/ml in Acetonitrile, 1ml

Benzyl-d5 benzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 347840-01-1

EPA Method 300.0 Anions, 1000µg/ml in Water, 100ml