Continuing Calibration Verification Standard (CCV)

beta-Endosulfan, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33213-65-9

Terbufos-sulfone, 100 µg/ml, Acetonitrile, 1ml

Etrimfos, 10 µg/ml, Acetonitrile, 10ml