Issue Date: November 22, 1995
Revision Date: May 7, 2007

Chapman Engineering
 (originally listed as Environmental Fuel Systems, Inc.)

Fuel Finder Version IV

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

Detector:           

Output type:

quantitative

Sampling frequency:

intermittent

Operating principle:

adsorption sampling

 

Test Results:

 

benzene

2-methylbutane

Accuracy (%) [Avg. Reading]

106.8 [1647 ppm]

122.7 [1380 ppm]

Bias (%)

64.5

38.2

Precision (%)

22.3

53.2

Detection time

N/A*

N/A

Fall time

N/A

N/A

Lower detection limit (ppm)

77

116

* See glossary.

Specificity Results:

 

percentages

Benzene

147.7

n-butane

90.7

n-hexane

55.7

Isobutane

51.1

2-methylpentane

143.7

Toluene

66.5

 

Chapman Engineering

Evaluator:  Carnegie Mellon Research Institute

P.O. Box 1305

Tel:  (412) 268-3495

213 Commerce Street

Date of Evaluation:  04/20/93

Boerne, TX 78066

 

Tel:  (800) 375-7747  
 

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