Fenitrothion-oxon, 100 µg/ml, Ethyl acetate, 1ml

Ethanol standard in water,1.5g/L,water, 1.5mL

3-Methylindole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83-34-1

EPA Method 507 - Internal Standard