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vapor -- EO G-70-216: Extension of Effective Dates for Existing ASTs Due to the Finding that Phase I EVR Systems are Not Commercially Available

Posted: 24 Mar 2014 08:08:04
On March 13, 2014, the Air Resources Board (ARB) Executive
Officer signed Executive Order (EO) G-70-216, extending the
effective date for the installation of certified Phase I enhanced
vapor recovery (EVR) systems at select existing aboveground
storage tank (AST) facilities due to the finding that compatible
certified systems for certain AST configurations may not be
commercially available. Existing ASTs are required to comply with
Phase I EVR requirements by July 1, 2014 (unless otherwise noted
in ARBís Regulatory Advisory, issued February 28, 2014).  The
currently certified Phase I EVR systems require ASTs to meet the
following configuration requirements: that gasoline must be
received through a top-fill opening (direct or remote fill); the
diameter of the product tank opening, or bung, must be at least
four inches; a minimum of three bungs are required to accommodate
the various Phase I EVR components; or the tank must be equipped
with an adequately sized bung for an emergency vent.  Once a
Phase I system is certified that overcomes the deficiencies of
the currently certified system, these ASTs will have four years
from the date of certification to comply as specified by
regulations. Executive Order G-70-216 has been uploaded to the
vapor recovery webpage at http://www.arb.ca.gov/vapor/vapor.htm


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