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r� VSB5 was added to vapor extraction well P3-Swarm on 7/27/92 . The swarm in combination with VSB5 has produced, as of 05/14/93 , 850 Pounds of hydrocarbons, an additional 288 pounds since operation under the Authority to Construct, VSB5 is currently producing 1 22 pounds per day, see Table 1 On 8/26/92 , the P3-Swarm was disengaged from the vapor extraction system Before being shut down on 7/24/92 , vapor extraction well EX produced 131 . 31 pounds of hydrocarbons, 4 . 18 pounds of which were produced under the Authority to Construct, see Table I As of August 26 , 1992, MW1 had produced a total of 2534 pounds, of which 69 75 pounds have been produced during operations under the Authority to Construct MW1 was shut down on 7/24/92 . As of May 14, 1993 , MW5 has produced a total of 10313 pounds, of which 1919 pounds have been produced during operations under the Authority to Construct . MW5 was transferred to use as a clean air inDection well on 7/24/92 On 7/27/92 , MWS was shutdown as an air infection well MW5 was again hooked up as a vapor extraction well on 8/03/92 On July 27, 1992, VSB3 , VSB9 and VSB11 were added to the system. As of May 14, 1993 , these wells had produced the following amounts of gasoline VSB3 , 37 pounds; VSB9, 1128 pounds; and VSB11, 488 . 6 pounds . Monitor well, MW 3 has not been used for vapor extraction during the operations under the Authority to Construct Currently the site is producing 12 87 pounds per day of TFH hydrocarbon The current CO2 emission rate indicates that approximately 54 1 lb of hydrocarbon are being destroyed per day by means of in-situ biological and/or chemical oxidation If you have any questions, please call (916) 668-5300 . &OoButler Geologist cc Ms . Mary Meays, San Joaquin County Health Ms . Teresa Stuyt, San Joaquin Valley Unified Air Pollution Control DistrictQuality page 6 of R604 , 05/20/93