COD Calibration Standard

N-Nitrosopiperazine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 5632-47-3

VOC Mix, 50ug/ml v MeOH, 1ml

Fenitrothion, 100µg/mL in Acetonitrile, 1ml