Chlorpyrifos, 100µg/mL in MeOH, 1ml

Chloroparaffin C10-C13 55,5% Cl, 100μg/ml in Cyclohexane, 1ml

2,3-Butanedione, 1000µg/ml in MeOH, 5ml

N-Nitrosodi-n-propylamine, 1000µg/mL in MeChl, 1ml