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470 N. Main St. , Manteca, - Executive Summary for IRP <br /> The vapor streams extracted from the individual wells will be piped to a <br /> central manifold where they will be combined into a single air stream <br /> contained in a single pipe. The combined air stream will then be <br /> directed to a catalytic incinerator where the vapors will be destroyed <br /> prior to discharge into the atmosphere. The vacuum pump to be used for <br /> this operation has a vacuum extraction capacity of 100 standard cubic <br /> feet per minute. <br /> The trend-setting Bay Area Air Quality Management District considers <br /> vapor destruction through catalytic incineration to be one of the best <br /> ways to control emissions from vapor extraction systems. <br /> A conservative risk assessment of the benzene emissions from the <br /> incinerator determined that the maximum output from the system would be <br /> well within acceptable regulatory limits. The assessment was conducted <br /> in accord with procedures established by the California Air Pollution <br /> Control Officer's Association. <br /> EVAX has applied to the San Joaquin Valley Unified Air Pollution Control <br /> District for the necessary permits to operate the system in June 1991 and <br /> received approval for an Authority to Construct in January 1992. The <br /> system will be periodically monitored to assess compliance with permitted <br /> operating conditions and to evaluate the progress of remediation. The <br />< system will operate continuously for a period of approximately one year <br /> or less. <br /> - ii - <br />