Chloroparaffin C11 45.50% Cl, 10μg/mL in CY, 1ml

cis-Permethrin, 100 µg/ml, Acetone, 1ml

9-Nitroanthracene-d9, 100µg/ml in Toluene, 1ml

Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane