2-Methylchrysene, 10µg/mL in Acetonitrile, 10ml

Method 429 Recovery Standard Solution, 100µg/ml in Isooctane/10% toluene, 1,2ml

2-Chloro-5-nitrotoluene, 100mg

Parathion,100 µg/mL,cyclohexane,1mL,