Malathion, 100µg/ml in Acetonitrile, 5ml

Chlormequat-1,1,2,2-d4 chloride, 1000µg/ml in MeOH, 1ml

Sulfur Check Standard

Trixylyl phosphate, purified ion m/z 368 (trimethyl),100 µg/mL,isooctane,1mL,