Primary Calibration PID (VPH)

1,1,1-Trichloroethane (contains stabilisor 0.05% low alkyl epoxide), in ampoule, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 71-55-6

4-n-Dodecylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 21021-55-6

Aldrin, 10.0 µg/ml, Acetonitrile, 10ml