UST Programs - LG 113

Issue Date: December 21, 2005

PID Analyzers, LLC
(originally listed as HNU Systems, Inc.)

Model 102 Photoionizer

OUT-OF-TANK PRODUCT DETECTOR (VAPOR-PHASE)

Detector:

Output type:	quantitative
Sampling frequency:	intermittent
Operating principle:	photoionization detector

Test Results:

*California regulations require vadose zone vapor monitoring to be continuous. This sensor does not meet the criteria.

	unleaded gasoline	synthetic gasoline	JP-4 jet fuel
Model 102
Accuracy^* (%) - average reading	85 (423 ppm)	112.8 (1125.2 ppm)	8.1 (78.2 ppm)
Detection time^* (sec)	<120	11	12
Fall time^* (sec)	<120	38	11
Lower detection limit (ppm)	Not Reported	2.1	5.8

*For tests conducted with 1000 ppm of test gas

Specificity Results (in addition to above):
Activated: n-butane, n-hexane, iso-butane, 3-methylpentane, toluene

PID Analyzers, LLC	Evaluator: Ken Wilcox Associates
25 Walpole Park South Drive	Tel: (816) 443-2494
Walpole, MA 02081	Dates of Evaluation: 10/29/04
Tel: (508) 660-5001

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