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i VSB5 was added to vapor extraction well P3--Swarm on 7/27/92 The swarm in combination with VSB5 has 73 pounds of hydrocarbons, an additional 315 as of 07/19/93 , 873 under the Authority to Construct, VSB5 ispocurrentlCe pro operation 0 58 pounds per day, see Table 1 On 8/26/92 , the P3-Swarrmcing 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 1 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 August 20, 1993 , MW5 has produced a total of 1.0451 pounds, of which 2008 pounds have been produced during operations under the Authority to Construct MW5 was transferred to use as a clean air in3ection well on 7/24/92 On 7/27/92 , MW5 was shutdown as an air in3ection 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 August 20, 1993 , these wells had produced the following amounts of gasoline VSB3 , 49 2 pounds, VSB91033 VSB11, 494 pounds , pounds ; and Monitor well, MW 3 has not been used for vapor extraction during the operations under the Authority to Construct Currently the site is producing 4 85 pounds per day of TFH hydrocarbon The current CO2 emission rate indicates that approximately 33 8 pounds of hydrocarbon are being destroyed per day by means of in-situ biological and/or chemical oxidation It you have any questions, please call (916) 668-5300 Roy Butler Geologist cc Ms Mary Meays, San Joaquin County Health Mr Gary Reeves, San Joaquin Valley Unified Aar Pollution Control District page 6 of R604 , 07/09/93