25 Pa. Code § 129.62 - General standards for bulk gasoline terminals, bulk gasoline plants and small gasoline storage tanks
(a)
Gasoline may not be spilled or discarded in sewers or stored in open containers
or handled in a manner that would result in uncontrolled evaporation to the
atmosphere.
(b) An owner or operator
of a bulk gasoline plant, bulk gasoline terminal, tank truck or trailer or
stationary storage tank to which §
129.59, §
129.60(b) or (c)
or §
129.61 (relating to bulk gasoline
terminals; bulk gasoline plants; and small gasoline storage tank control (Stage
I control)) apply may not permit the transfer of gasoline between the tank
truck or trailer and a stationary storage tank unless the following conditions
are met:
(1) The vapor balance system is in
good working order and is designed and operated in a manner that prevents:
(i) Gauge pressure from exceeding 18 inches
of H2O (4500 pascals) and vacuum from exceeding 6 inches
of water (1500 pascals) in the gasoline tank truck.
(ii) A reading equal to or greater than 100%
of the lower explosive limit-LEL, measured as propane-at 1 inch from points on
the perimeter of a potential leak source when measured by the method referenced
in §
139.14 (relating to emissions of
VOCs) during loading or unloading operations at small gasoline storage tanks,
bulk plants and bulk terminals.
(iii) Avoidable liquid leaks during loading
or unloading operations at small gasoline storage tanks, bulk plants and bulk
terminals.
(2) A truck,
vapor balance system or vapor disposal system, if applicable, that exceeds the
limits in paragraph (1) is repaired and retested within 15 days.
(3) There are no visually- or
audibly-detectable leaks in the tank truck's or trailer's pressure/vacuum
relief valves and hatch covers, the truck tanks or storage tanks, or associated
vapor and liquid lines during loading or unloading.
(4) The pressure and vacuum relief valves on
storage vessels and tank trucks or trailers are set to release at no less than
.7 psig (4.8 kilopascals) of pressure or .3 psig (2.1 kilopascals) of vacuum or
the highest allowable pressure and vacuum as specified in State or local fire
codes, the National Fire Prevention Association guidelines or other National
consensus standards acceptable to the Department. Upon demonstration by the
owner or operator of an underground small gasoline storage tank that the vapor
balance system specified in paragraph (1) will achieve a 90% vapor recovery
efficiency without a pressure and vacuum relief valve and that an interlock
system, sufficient to ensure connection of the vapor recovery line prior to
delivery of the gasoline, will be used-no pressure and vacuum relief valve is
required. The vacuum setting on the pressure and vacuum relief valve on an
underground storage tank may be set at the lowest vacuum setting which is
sufficient to keep the vent closed at zero pressure and vacuum.
(c) A person may not allow a
gasoline tank truck subject to §
129.59, §
129.60 or §
129.61 to be filled or emptied in
a geographic area specified in §
129.61(a) unless
the gasoline tank truck:
(1) Has been tested
by the owner or operator within the immediately preceding 12 months in
accordance with §
139.14.
(2) Sustains a pressure change of no more
than 750 pascals (3 inches of H2O) in 5 minutes when
pressurized to a gauge pressure of 18 inches of H2O
(4,500 pascals) or evacuated to a gauge pressure of 6 inches of
H2O (1,500 pascals) during the testing required in
paragraph (1).
(3) Is repaired by
the owner or operator and retested within 15 days of testing if it does not
meet the criteria in paragraph (2).
(4) Displays a clear marking near the
Department of Transportation Certification plate required by 49 CFR 178.340-10
b (relating to certification), which shows the most recent date upon which the
gasoline tank truck passed the test required in this
subsection.
(d) Reporting
and recordkeeping shall be as follows:
(1)
The owner or operator of a source of VOCs subject to subsection (c) shall
maintain records of certification testing and repairs. The records shall
identify the gasoline tank truck, vapor collection system or vapor control
system; the date of the test or repair; and, if applicable, the type of repair
and the date of retest. The records shall be maintained in a legible,
readily-available condition for 1 year after the date the testing or repair was
completed.
(2) The records of
certification tests required by paragraph (1) shall contain:
(i) The gasoline tank truck tank serial
number.
(ii) The initial test
pressure and the time of the reading.
(iii) The final test pressure and the time of
the reading.
(iv) The initial test
vacuum and the time of the reading.
(v) The final test vacuum and the time of the
reading.
(vi) At the top of each
report page, the company name and the date and location of the tests on that
page.
(vii) The name and title of
the person conducting the test.
(3) Copies of records and reports under this
subsection shall be made available to the Department upon verbal or written
request at any reasonable time. A copy of the test results for each gasoline
tank shall be kept with the truck.
(e) Gasoline tank trucks with a rated
capacity of less than 4,800 gallons are exempt from subsections (c) and
(d).
Notes
The provisions of this § 129.62 issued under section 1920-A of The Administrative Code of 1929 (71 P.S. § 510-20); and section 5 of the Air Pollution Control Act (35 P.S. § 4005).
This section cited in 25 Pa. Code § 129.51 (relating to general); 25 Pa. Code § 129.54 (relating to seasonal operation of auxiliary incineration equipment); 25 Pa. Code § 129.91 (relating to control of major sources of NOx and VOCs); 25 Pa. Code § 129.96 (relating to applicability); and 25 Pa. Code § 129.111 (relating to applicability).
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