Primary Calibration PID (VPH)

2-Hydroxypyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 78751-58-3

4-Methyldibenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7320-53-8

Heptachlor