Vapor Recovery |
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Rule 352, "Gasoline Delivery Vessel Testing
and Use", of the Maricopa County Air Pollution Control Regulations states that "no person shall store or transport gasoline
in or otherwise use or operate any gasoline delivery vessel unless such vessel is designed and maintained to be vapor tight and leak free".
To comply with this requirement, a gasoline delivery vessel shall first pass the Maricopa County (MC)
Pressure Test before delivering or onloading gasoline, and must pass the test each year thereafter.
All testing done within Maricopa County must comply with Section 401.1 concerning notification of test time and date. Notification may be made
by calling 602-506-6010. The expiration date of the issued decal is dependant on the testing date. Refer to Section 401.3 for expiration dates.
The MC Pressure Test consists of the following subtests:
 Positive Pressure Subtest.
 Vapor Valve Subtest.
 Partial Vacuum Subtest.
The vessel must pass all three subtests, in the order presented above, in the same testing period. See
Rule 352,
for details of testing procedures and parameters. Details and results from each subtest shall be
entered onto the Tank Truck Leak Certification Checklist.
A complete application is then submitted to the Department to obtain the decal.
A complete application consists of:
The decal will be issued by the Control Officer usually within three business days of receipt of a complete application.
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