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Revision Date: March 6,
2019
Line Leak Detection Method for Airport Hydrant
and Field Constructed Systems
Click on the vendors specific EQUIPMENT NAME to go to that Listing.
These methods were evaluated at leak rates which are now in 40 CFR 280.252 of the 2015
EPA UST regulations.
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VENDOR
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EQUIPMENT
NAME
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LEAK
RATE/THRESHOLD/
MAX
PIPELINE CAPACITY
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ATMOS International
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Atmos Portable Tightness Monitor (ATPM) |
0.0021% of pipeline volume/ 0.00105% of pipeline volume / 2,000 – 201,690 gallons |
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EFA
Technologies, Inc.
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LeakNet
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3.0
gph/2.2 gph/116,230 gallons. |
| Hansa Consult of
North America, LLC |
HCNA Pipeline Leak
Detection System, Version 2.0 |
0.002% of line volume (0.02 gph per 1000 gallons of product)/0.001% of line volume in gph/175,000 gallons. |
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0.068 gph/0.034 gph/5000 gallons. |
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HCNA Pipeline Leak Detection System, Version 2.2 |
0.00078% of line volume/0.00039% of line volume in gph/175,000 gallons. |
Leak Detection Technologies |
MDleak
Enhanced Leak Detection and Leak Location Method |
0.005 gph/A containment system should not
be declared tight when chemical marker is detected outside of
the pipeline system./Not limited by capacity. |
Praxair Services,
Inc. |
SeeperTraceTM |
0.1 gph/A
pipeline system should not be declared tight when a confirmable
level of chemical tracer in the sample collected exceeds the
background level./Not limited by capacity. |
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Praxair Services,
Inc.
(originally listed as Tracer Research, Corp.) |
Tracer
ALD 2000 Automated Line Tightness Test
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0.1
gph/A pipeline system should not be declared tight when tracer
chemical or hydrocarbon greater than the background level is
detected outside of the pipeline./Not limited by capacity. |
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Vista Precision Solutions, Inc. (originally listed as Vista Research, Inc.)
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Model
LT-100 Monthly Monitoring Method and Line Tightness Test Method,
Version
1.0
(Manual Method) |
0.2
gph/0.177 gph/3,400 gallons.
0.1
gph/0.077 gph/3,400 gallons. |
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Model
LT-100 Monthly Monitoring Method and Line Tightness Test Method,
Version
1.0
(Primary Method) |
0.2
gph/0.148 gph/3,400 gallons.
0.1
gph/0.06 gph/3,400 gallons. |
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Model
LT-100 Monthly Monitoring Method and Line Tightness Test Method,
Version
1.0
(Segmented Method) |
0.2
gph/0.174 gph/3,400 gallons.
0.1
gph/0.074 gph/3,400 gallons. |
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Model
LT-100a Monthly Monitoring Method and Line Tightness Test
Method,
Version
1.0 |
0.2
gph at 50 psi/0.148 gph/3,400 gallons.
0.1
gph at 50 psi/0.06 gph/3,400 gallons. |
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Model
LT-100a Monthly Monitoring Method and Line Tightness Test
Method,
Version
1.0
(Segmented Method) |
0.2
gph at 50 psi/0.174 gph/3,400 gallons.
0.1
gph at 50 psi/0.074 gph/3,400 gallons. |
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Model
LT-100a Hourly and Monthly Monitoring Method and Line Tightness
Test Method,
Version
2.0
(Segmented Method) |
3.0
gph/2.936 gph/3,400 gallons.
0.2
gph/0.136 gph/3,400 gallons. |
These methods were not evaluated at leak rates which are now in 40 CFR 280.252 of the
2015 EPA UST regulations.
VENDOR
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EQUIPMENT
NAME
|
LEAK
RATE/THRESHOLD/
MAX
PIPELINE CAPACITY
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| ATMOS International |
ATMOS STMS
Statistical Tightness Monitoring System for Airports |
0.0019% of pipeline volume (0.000019 gph per gallon of product)/
0.00095% of pipeline volume (0.0000095 gph per gallon of
product)/ 300,000 gallons |
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Atmos Portable Tightness Monitor (ATPM) - for Bulk Piping and Hydrant Fuel Systems |
0.0021% of pipeline volume/ 0.00105% of pipeline volume / 2,000 – 201,690 gallons |
Caldon,
Inc.
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Caldon
PF2000 Pipeline Leak Detection System for Bulk Pipelines
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10
gph/8 gph/212,000 gallons. |
| HansaConsult
Ingenieurgesellschaft mbH |
HansaConsult Pressure-Step
Tightness Control System (TCS) Pipeline Leak Detection System |
Leak rate of
0.004% of line volume (0.004 gph per gallon of product) in the
pipeline segment being tested/0.002% of line volume in gph/Minimum
of 22,700 gallons, maximum of 175,110 gallons (range of pipelines
evaluated). |
| Leak Detection Technologies |
Pipeline Hydrostatic Diagnostic Test Method (PHDleak Test) |
0.0017% of line
volume gph (0.000017 gph per gallon of product)/0.00085% of line
volume gph/1,127,000 gallons. |
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Vista Precision Solutions, Inc. (originally listed as Vista Research, Inc.)
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Model
HT-100 Monitoring Method and Line Tightness Test Method,
Version
2.1 |
0.00189% of line
capacity (0.00189 gph per 1000 gallons of product)/0.000945% of line volume in gph/320,000 gallons |
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Model
HT-100 Monitoring Method and Line Tightness Test Method,
Version
1.0, Version 1.1 |
0.004% of line
capacity (0.04 gph per 1000 gallons of product) for Version
1.0 /0.00282% of line volume in gph/612,954 gallons
0.00209% of line capacity (0.0209 gph per 1000 gallons of product)
for Version 1.1 /0.000916% of line volume in gph/612,954 gallons |
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Model
HT-100-n Monitoring Method and Line Tightness Test Method,
Version
1.0, Version 1.1 |
0.004% ÷ √¯(n)
of line capacity (for n=4, 0.02 gph per 1000 gallons of product)
for Version 1.0 /0.00282% ÷ √¯(n) of line volume in gph; where n
is the # of tests averaged together/612,954 gallons
0.00209% ÷ √¯(n) of line capacity (for n=4, 0.01045 gph per 1000
gallons of product) for Version 1.1 /0.000916% ÷ √¯(n) of line
volume in gph; where n is the # of tests averaged together/612,954
gallons |
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