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L-j! <br /> GROUNDWATER APR 18 0-i <br /> TECHNOLOGY, INC. ENVIRONMENTAL HEALTH <br /> 14ol llalyat-d[)rive,st:ile I RI.MJ&SI.(9160724700 <br /> FAX(9103 72-8781 <br /> April 16, 1991 <br /> Project No.202/1.-0-4150 <br /> Ms. Diane Hinson <br /> Sal;Joaquin Local Health District <br /> Environmental Health District <br /> 445 North San Joaquin <br /> P. 0. Box 2009 <br /> Stockton, Ca 95201 <br /> RE: TEXACO SERVICE STATION <br /> 440 WEST CHARTER WAY <br /> STOCKTON,CALIFORNIA <br /> Dear Ms. Hinson: <br /> Enclosed are the labofatnry results cf the ffiew c011f0m)analyses for monitoring wells(MW's)6 and 7 at the <br /> above rOferenced site.As irequlred by the San Joaquin Local Health District,feca;coliform analyses were <br /> conducted on these wells because their locations were not In conformance with the setback requirement <br /> of 50 feet from a sanitary�,ewer. )]W-10 was not sampled because of an obstruction within the well, <br /> Sampling of these wells was condWed on March 27,199 1.Laboratory analyses Indicate fecal coliform was <br /> absent In both samples. A Copy Of the laboratory report has been enclosed for Your reference. <br /> These wells have not contained any detec,'able concentrations of fecal cohform In any of the sampilng <br /> events, (May,June,July 19W and March 1991). The next Sampling for feral coliform In these wells will be <br /> conducted In conjunction with the quarterly sampling scheduled in August Uf this year, <br /> Please contact Groundwater Technology's West Sacramento office at (916)372-4700 If you have any <br /> questions or c, - nents. <br /> Sincerely. <br /> GROUNDWATER TECHNOLOGY, INC. <br /> MARTIN J.OiEN�DOR�F4 <br /> Project Geologist <br /> JOHN E. BOWER <br /> EnvironmentalGeologist <br /> Project Manager <br /> MJO/JEB:rc <br /> Enclosure <br /> cc: Mr. Dave Hainfich,Texaco Environmental Services <br />