Cargo Tank Vapor Recovery Test Procedures

This page last reviewed April 20, 2011

As stated in Title 17 of the California Code of Regulations ß 94014: "Certification of Vapor Recovery Systems for Cargo Tanks," the certification of gasoline vapor recovery systems for cargo tanks shall be accomplished in accordance with CARB's CP-204: "Certification Procedure for Vapor Recovery Systems of Cargo Tanks."

The following test procedures (TP) cited in CP-204 have been adopted by the ARB and are incorporated by reference in Section 94014:


TEST PROCEDURE

TITLE

TP-204.1

Determination of Five Minute Static Pressure Performance of Vapor Recovery Systems of Cargo Tanks

TP-204.2

Determination of One Minute Static Pressure Performance of Vapor Recovery Systems of Cargo Tanks

TP-204.3

Determination of Leak(s)


These certification and test procedures contain the annual leak-rate criteria for the certification tests of cargo tanks and other requirements, and are now effective. To certify a cargo tank, it must be tested in accordance with CARB's annual certification test. This test includes the pressure decay, vacuum, and internal vapor valve (manifold gain) tests.

To view a report reviewing gasoline cargo tank vapor recovery test procedures, please see the Draft Report on Review of Test Procedures (pdf 57K). For information specifically regarding this report, please call Chris Clarke at (916) 324-1278.

If you have further questions about this program, please contact us at the telephone numbers and email addresses provided at Cargo Tank Program Contacts.

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