Simazine, 100µg/ml in Methanol, 1ml

Codeine-N-methyl-d3 hydrochloride, 50µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

cis-Chlordane, 10.0 µg/ml, Ethyl acetate, 10ml

Formaldehyd-DNPH, 100 µg/ml, Acetonitrile, 5ml