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CARB Advisory 405-B

Please be advised that, effective immediately and due to the Governor’s request for the early release of winter blend gasoline in California, gasoline station operators may clear In-Station Diagnostics alarms associated with system overpressure listed in CARB Advisory 405B dated December 27, 2011. 

Please note that this notice only serves to allow for early implementation of Advisory 405B “Response to Winter Season ISD Pressure Alarms”.  All other provisions of the advisory must be followed by operators and contractors.

Advisory 405B can be downloaded at:


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