Primary Calibration PID (VPH)

2,4,4'-Trichlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

Chloridazon, 250mg

2,4,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17057-91-9