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iVAPOR RECOVERY RESULTS <br /> As of December 9, 1992 , the total system has recovered a <br /> calculated total of 15839 pounds of hydrocarbons, 2723 of which <br /> have been produced since the beginning of operations under the <br /> Authority to Construct <br /> As of July 21, 1992 , the date it was destroyed, P1 had produced <br /> 2 96 pounds of hydrocarbons or an additional 1 63 pounds since <br /> the beginning of operation under the Authority to Construct See <br /> Table 1 <br /> VSB5 was added to vapor extraction well P3-Swarm on 7/27/92 . The <br /> swarm in combination with VSB5 has produced, as of 12/09/92 , 682 <br /> pounds of hydrocarbons, an additional 120 pounds since operation <br /> under the Authority to Construct, VSB5 is currently producing <br /> 0 89 pounds per day, see Table 1 On 8/26/92 , the P3-Swarm was <br /> disengaged from the vapor extraction system. <br /> Before being shut down on 7/24/92 , vapor extraction well EX <br /> produced 131 31 pounds of hydrocarbons, 4 18 pounds of which were <br /> produced under the Authority to Construct, see Table 1 <br /> As of August 26 , 1992 , MW1 had produced a total of 2534 pounds, <br /> of which 69 75 pounds have been produced during operations under <br /> the Authority to Construct MW1 was shut down on 7/24/92 . <br /> As of December 9 , 1992, MWS has produced a total of 9783 . 63 <br /> pounds, of which 1388 . 82 pounds have been produced during <br /> operations under the Authority to Construct MW5 was transferred <br /> to use as a clean air infection well on 7/24/92 . On 7/27/92 , MW5 <br /> was shutdown as an air infection well . MW5 was again hooked up as <br /> a vapor extraction well on 8/03/92 <br /> On July 27, 1992 , VSB3 , VSB9 and VSB11 were added to the system. <br /> As of December 9 , 1992 , these wells had produced the following <br /> amounts of gasoline VSB3 , 16 . 21 pounds, VSB9 , 889 09 pounds; and <br /> VSB11, 194 03 pounds <br /> Monitor well, MW 3 has not been used for vapor extraction during <br /> the operations under the Authority to Construct <br /> Currently the site is producing 11 .43 pounds per day of TFH <br /> hydrocarbon The current CO2 emission rate indicAtes that <br /> approximately 45 . 5 lb of hydrocarbon are being destroyed per day <br /> by means of in-situ biological and/or chemical oxidation <br /> If you have any questions, please call (916) 668-5300 . <br /> e <br /> Geologist <br /> cc Ms . Mary Meays , San Joaquin County Health <br /> Ms Teresa Stuyt , San Joaquin Valley Air Quality <br /> page 6 of R604 , 12/17/92 <br />