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Issue Date: November 22, 1995
Revision Date: March 10, 2000
FCI
Environmental, Inc.
Analog Hydrocarbon Probe AHP-100, Digital Hydrocarbon Probe
DHP-100
OUT-OF-TANK PRODUCT DETECTOR (VAPOR-PHASE)
Detector:
Test
Results (for tests conducted with 1000 ppm test gas):
|
AHP-100
|
unleaded
gasoline
|
synthetic
gasoline
|
xylene
|
benzene
|
2-methylbutane
|
|
Relative
accuracy* (%)
|
12
|
22
|
2
|
35
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N/R*
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Bias
(%)
|
-7
|
-2
|
1
|
-23
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N/R
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|
Precision
(%)
|
4
|
15
|
1
|
11
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N/R
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|
Detection
time (min)
|
<1
|
<1
|
<1
|
<1
|
N/R
|
|
Fall
time (min)
|
<1
|
<1
|
<1
|
<1
|
N/R
|
|
Lower
Detection Limit (ppm)
|
137
|
220
|
84
|
519
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N/R
|
|
DHP-100
|
|
|
|
|
|
|
Relative
accuracy* (%)
|
18
|
29
|
0
|
17
|
N/R
|
|
Bias
(%)
|
1
|
-12
|
0
|
-9
|
N/R
|
|
Precision
(%)
|
9
|
10
|
0
|
11
|
N/R
|
|
Detection
time (min)
|
<1
|
<1
|
<1
|
<1
|
N/R
|
|
Fall
time (min)
|
<1
|
<1
|
<1
|
<1
|
N/R
|
|
Lower
Detection Limit (ppm)
|
73
|
118
|
45
|
280
|
N/R
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*
See glossary.
Test
Results (for tests conducted with 10 ppm test gas):
|
AHP-100
|
unleaded
gasoline
|
synthetic
gasoline
|
diesel
|
JP-4
jet
fuel
|
JP-8
jet
fuel
|
p-xylene
|
kerosene
|
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Lower
Detection Limit (ppm)
|
9.25
|
13.26
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5.79
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5.26
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10.89
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12.94
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14.65
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Specificity
Results (%) (corrected for sensitivity differences):
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AHP-100
|
DHP-100
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|
AHP-100
|
DHP-100
|
|
unleaded
gasoline
|
93
|
101
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xylene
|
103
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N/R
|
|
synthetic
gasoline**
|
100
|
92
|
toluene
|
96
|
97
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|
synthetic
gasoline***
|
98
|
88
|
pentane
|
N/R
|
N/R
|
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JP-4
jet fuel
|
105
|
109
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methane
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N/R
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N/R
|
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benzene
|
76
|
89
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butane
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N/R
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N/R
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trimethylbenzene
|
107
|
104
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2-methylbutane
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N/R
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N/R
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p-xylene
|
101
|
100
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n-hexane
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N/R
|
108
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**
EPA March 1990 protocol
***
Radian June 1990 protocol
Comments:
1000
ppm tests used a certified blend of concentrated gas to simulate a leak.
10 ppm test used a measured quantity of liquid product to simulate a
leak.
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FCI Environmental, Inc.
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Evaluator:
Ken Wilcox Associates
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3250 Grant Street
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Tel: (816) 443-2494
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Signal Hill, CA 90804
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Dates of Evaluations:
03/07/94, 12/05/94
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Tel: (800) 696-1331
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