Malathion, 100µg/ml in Acetonitrile, 5ml

Spike Sample Standard 2C (Water)

Tris(1,3-dichloro-2-propyl) phosphate-d15, 50µg/ml in Toluene, 1,2ml

O,O-Diethylthiophosphate-13C2, sodium salt, 100µg/ml in MeOH, 1ml