delta-9-Tetrahydrocannabinolic acid A, 10.0 µg/ml,

EPA Method 1613 Calibration Kit, 5 ampoules, nonane

4-Fluoro-1-methoxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

Chlorfenvinphos, 100µg/ml in Cyclohexane, 5ml