O,O-Diethyldithiophosphate-13C4, ammonium salt

Alachlor ESA sodium salt, 100µg/ml in MeOH, 1ml

1,2,5,5,6,9,10-Heptachlorodecane (CP-8), 10.0 µg/m

Isopropyl acetate, 1000mg