Malathion, 100 µg/ml, Ethyl acetate, 5ml

4-Methylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1556-99-6

Fensulfothion-sulfone, 100 µg/ml, Cyclohexane, 1

EPA Method 502.2/524.2 Volatile Standard