Diazinon, 10 µg/ml, Ethyl acetate, 10ml

Chlorotoluron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 15545-48-9

O,O-Diethyldithiophosphate-13C4, sodium salt

EPA Method 6020 / 6020A - Mix B