Paraoxon-methyl, 100 µg/ml, Toluene, 5ml

Metsulfuron-methyl, 100 µg/ml, Acetonitrile, 5ml

D5-Acetochlor ESA sodium salt, 100 µg/ml, Acetoni

Mass Discrimination Test Mixture for ASTM D 5739 150 µg/mL in pesticide grade cyclohexane, 10mL Naphthalene 99 % Fluoranthene 99 % Benzo[ghi]perylene 99 %