This is a procedure for site cleanup of halogenated hydrocarbons that are non aqueous and not miscible with water. The detection device is the HNU Model PI101 photoionization analyzer.
PID Detection and Site Characterization of Dense Non Aqueous Phase Liquids (3)
A paper on the PID Model 102 with an 11.7 lamp was published previously and is described below:
Measurement of Chlorinated HC With an 117 PID