Cargo Tank Vapor Recovery Test Procedures

This page last reviewed December 22, 2016

As stated in Title 17 of the California Code of Regulations 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

CP-204
Amended 11/07/2014

Certification Procedure for Vapor Recovery Systems of Cargo Tanks

TP-204.1
Amended 11/07/2014

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

TP-204.2
Amended 05/27/2014

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

TP-204.3
Amended 11/07/2014

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.

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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