Quintozene, 100 µg/ml, Acetonitrile, 1ml

Dicofol, 100 µg/ml, Toluene, 5ml

(E,Z)-Methomyl-d3 (N-methyl-d3),100 µg/mL,acetonitrile,1mL,

Hexavalent Chromium (Cr 6+)