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4 :gni <br />wT r <br />I 971 , <br />2 '991 <br />Emcon <br />ASSOCIATES <br />Consultants in Wastes <br />Management and <br />Environmental Control <br />Stephen <br />City of Stockton <br />City Hall <br />Stockton, i' <br />ENV1RQNMF.NTALHU' t <br />PERMIT/SERVICES <br />California.RIMM <br />The purpose of this letter is to inform you of the progress of the correctiv": <br />action being performed at the Austin Road Landfill located in Stockton, <br />On - 12, 1991,•` Associates• began drilling and <br />installing the two 8 -inch -diameter extraction_ _ com- <br />pleted <br />•'• - y• on June 15, 1991.The extraction• • _ shown on <br />Drawing 1. These locations• c • proposed. <br />April 24, 1991, verification monitoring program report and conceptual cor- <br />rective action plan. The wells were developed on June 24 and 25, 1991. <br />Development • cr of bailing sand that entered the wellduring <br />instal- <br />lation and pumping the well until the discharge was clear. Extraction well <br />EW -1 was pumped at a discharge rate of approximately 50 gallons per <br />minute •• for •• • i minutes.The discharge <br />rate was <br />increased to 70 gpm and maintained for approximately 42 minutes. <br />Extraction well EW -2 was pumped at a discharge rate of 72 gpm for <br />approximately hours. <br />1433 North Market Boulevard, Sacramento, California 95834.1943, (916) 928,33M, Fax (916) 928-3341 <br />