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VAPOR RECOVERY RESULTS ..' As of March 15, 1993, the total system has recovered'. a calculated total of 16967 poundsof hydrocarbons, 3851 of which have been ' ' produced since the beginning of operations under the; Authority to 'F Construct . As of July 21, 1992, the date it was destroyed, P1'phad. produced 2 . 96 pounds of hydrocarbons or an additional 1 . 63 ;, pounds since; the beginning of .operation under the Authority to Construct . See Table 1 . VSB5 was added to vapor: extraction well P3-Swarm on, 7/27/92 . The swarm in combination with VSB5 has produced, as of 03/15/93 , 792 pounds of hydrocarbons, ! an additional 230 pounds since operation under the Authority to Construct, VSB5 is currently producing '� r 0 . 92 pounds per day, see Table 1 . On 8/26/92, the ! P3'-Swarm was F disengaged from the vapor extraction system. Before being shut down on 7/24/92, vapor extraction:' well EX ? i produced 131 . 31 pounds of hydrocarbons, 4 . 18 pounds �'of which were produced under the Authority to Construct, see Table :l . . As of August 26, 1992,p MW1 had produced a total of 2534 pounds, of which 69 . 75 pounds have been produced during operations under a the Authority to Construct . MW1 was shut down on 7/24/92 . As of March 15, 1993 , MW5 has produced a total of 10122 pounds, of which 1727 pounds .have been produced during operations under the ., { Authority to Construct MW5 was transferred to usd as a ' clean I,} air injection well on 7/24/92 . On 7/27/92, MW5 was shutdown as an air injection well . MW5- was again hooked up as a vapor extraction well on 8/03'/92 . c i' On July 27, 1992, VSB3 , VSB9 and VSB11 were added to the system. As of March 15, ;1993 , these wells had produced the" 'Uollowing amounts of gasoline : VSB3 , 23 . 78 pounds; VSB9, 1067 ;lpouz'ds; and 4. as of 2/23/93 VS211, 370 .4 pounds. Monitor well, MW 3 has not been used for vapor extraction during the operations under the Authority to Construct . a li Currently the site is producing 8 . 73 pounds perl� !,day of TFH `s hydrocarbon. The current CO2 emission 'rate indicates that approximately 65 lb of hydrocarbon are being destroyed per day by 'k means of in-situ biological and/or chemical oxidation. If you have any questions, please call (916) 668-5300 . , Geologist J� cc : Ms . Mary Meays, San Joaquin County Health Ms . Teresa Stuyt, San Joaquin Valley Air Quality i page 6 of R604 , 04/07/93 ii, t