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vapor -- Regulatory Amendments for Enhanced Vapor Recovery for Aboveground Storage Tanks Delayed to Mid-2015
Posted: 18 Nov 2014 16:47:00
Consideration of proposed regulatory amendments related to Enhanced Vapor Recovery (EVR) requirements for Aboveground Storage Tanks (AST) will be delayed until a Board Hearing in the first half of 2015. The Air Resources Board (ARB or Board) has issued an amended Regulatory Advisory indicating that the terms of the current Advisory, which was issued on February 28, 2014, will remain in effect until the Board considers formal regulatory amendments next year. The amended AST EVR Regulatory Advisory is available on ARB's website: http://www.arb.ca.gov/vapor/vapor.htm. For further information about the AST EVR Regulatory Advisory or ARB’s AST EVR program, visit http://www.arb.ca.gov/vapor/vapor.htm or call 916-327-0900. Background: In 2008, the Board adopted EVR standards to reduce air pollution from AST. Owners and operators of AST are required to install EVR equipment to reduce the emission of gasoline vapors caused by daily changes in ambient temperature and exposure to sunlight (Standing Loss Control, or SLC) as well as vapors that are emitted during the transfer of gasoline from the cargo tanker to the AST (Phase I) and then from the AST to the motor vehicle (Phase II). Under the statewide regulation, new AST have been required to have SLC equipment since April 1, 2009, and Phase I equipment since July 1, 2010. For existing AST located in state ozone non-attainment areas, SLC has been required since April 1, 2013, and Phase I equipment will be required by July 1, 2014. Installation deadlines for Phase II equipment have not yet been established due to a lack of certified equipment. Based on recent analysis, ARB staff has determined that in some situations the costs associated with implementation of Phase I equipment are higher than originally anticipated, particularly for AST with low gasoline throughput which are in many cases located in rural areas. To allow for more cost-effective implementation of AST EVR requirements, ARB staff will ask the Board in 2015 to consider regulatory amendments that would exempt certain ASTs from compliance with SLC and Phase I requirements. In the interim, to ensure that owners/operators do not unnecessarily expend funds to upgrade ASTs that may ultimately be exempt under the amendments that ARB staff will be proposing, ARB will request air districts to not enforce the July 1, 2014 compliance deadline for those AST owners/operators who may not be required to comply under the nine step process laid out in the AST EVR Regulatory Advisory. California is in a drought emergency. Visit www.SaveOurH2O.org for water conservation tips.