A. Owners and
operators of a UST system shall provide a method, or combination of methods, of
release detection that:
1. Can detect a
release from any portion of the tank and the connected underground piping that
routinely contains a regulated substance;
2. Is installed and calibrated in accordance
with the manufacturer's instructions;
3. Is operated and maintained, and electronic
and mechanical components are tested for proper operation, in accordance with
one of the following: manufacturer's instructions; a code of practice developed
by a nationally recognized association or independent testing laboratory; or
requirements determined by the Director to be no less protective of human
health and the environment than the two options in subsections (A)(1) and
(A)(2) above. A test of the proper operation shall be performed at least
annually and, at a minimum, as applicable to the facility, cover the following
components and criteria:
a. Automatic tank
gauge and other controllers: test alarm; verify system configuration; test
battery backup;
b. Probes and
sensors: inspect for residual buildup; ensure floats move freely; ensure shaft
is not damaged; ensure cables are free of kinks and breaks; test alarm
operability or running condition and communication with controller;
c. Automatic line leak detector: test
operation to meet criteria in
R18-12-244(A) by
simulating a leak;
d. Vacuum pumps
and pressure gauges: ensure proper communication with sensors and controller;
and
e. Hand-held electronic
sampling equipment associated with groundwater and vapor monitoring: ensure
proper operation. Note to subsection (A)(3): The following code of practice may
be used to comply with subsection (A)(3) of this Section: Petroleum Equipment
Institute Publication RP1200-17, "Recommended Practices for the Testing and
Verification of Spill, Overfill, Leak Detection and Secondary Containment
Equipment at UST Facilities".
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4. Meets the performance
requirements in
R18-12-243 or
R18-12-244, or Article 9, as
applicable, with any performance claims and their manner of determination
described in writing by the equipment manufacturer or installer; and
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5. For
the methods listed in
R18-12-243(B), (C), (D),
(H), and (I),
R18-12-244(A) and
(B), and Article 9, is capable of detecting
the leak rate or quantity specified for that method with a Probability of
Detection (PD) of a release of 0.95 and a Probability of False Alarm (PFA) of
0.05
a.
Manual Tank Gauging, in accordance with
R18-12-243(B) ; Tank Tightness Testing, in accordance with R18-12-243(C) ;
Automatic Tank Gauging, in accordance with R18-12-243(D) ; Line Tightness
Testing, in accordance with R18-12-244(B) : December 22, 1990;
b.
Automatic Line Leak Detectors, in accordance with
R18-12-244(A) : September 22, 1991.
B. When a release detection method operated
in accordance with the performance standards in
R18-12-243,
R18-12-244, or Article 9 indicates
a release may have occurred, owners and operators shall inform the Department
in accordance with
R18-12-251 .
C.
Owners and operators of an UST system shall comply
with the release detection requirements of this Section and R18-12-241 through
R18-12-245 by December 22 of the year listed in the following
table:
