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

x of 4-Nonyl- and 4-t-Octylphenols ethoxylates, 20/4µg/ml in Acetone, 1ml

gamma-HCH, 100 µg/ml, Cyclohexane, 5ml

Volatile Screening Standard, 2000µg/ml in MeOH, 1ml