Deethylphosphamidon, 100 µg/ml, Ethyl acetate, 1

Chlorthal-dimethyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1861-32-1

Calibration Standard Mix 2

EPA Method 515.3 - Underivatized acids