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I i fl <br /> i <br /> PUBLIC HE ALTH SERVICES <br /> A � <br /> it <br /> S XN JOAQUIN COUNTY <br /> JOGI I HANNA M.D.,MT H: <br /> Heaith Officer ., <br /> P.O.Sox 240W:0. (ibi}i..' Hazelton:Avenue)+Stockton:California 95201 Orr F°spa <br /> (209)468.3400 <br /> HARRISON PEDDIECOLOWPOT <br /> P OXs5tlINC :��� FES' <br /> MCM4t3ND C 948{)5 <br /> RIE. 50 EAST I TARNEYLANE <br /> SITE COBE: '2343 <br /> - ' LODi CA <br /> :S <br /> ari'Joaquin County Public:I-Health Setvicses,Environmental'Health Division (PHSIEHD) has;completed a <br /> +6mprehensive review of the activities aatieerning this site to date and has the following comment <br /> I a <br /> The aver-excavation of tl►e iortner 4, ulk oft gallon tank pit area appears to have removed the bthe <br /> contaminated soil frptn:the shallow subsuitface area. The sample results from the vapor::surtrey.the soil <br /> borings and the monitoring well installAUbft indicate that the soil contamination did tint migrate <br /> extensively in a lateral direction. However,the vertical extent of the contamination-in the area directly. <br />'? ,below the former tank has not been invee g gated and has not been ruled out as a possible:source of the, <br /> donitesticwell contamination. <br /> r <br /> In fiddition, PHS/EHD was not notified o'f the work at the site and was not present to verify the proper <br /> retrieval,handling and storage of the soildisamples. Also,only a limited amount of data has been,generated <br /> frota the soil borings as only two soil saitipies:were analyzed from each of the Oprings completed. <br /> ' N <br /> Ilterefore, due to the fimited amount of data generated from the sail borings Aird to*01111 flinty of.the <br /> reliability;of that:data, PHS/9HD canna#Concur with the assumption In the reports that this tank <br /> pit area, <br /> is iaot the source of the domestic weal cofitamination. <br /> The monitoring Well.:coisripletw.at this sig as a"dry"well does not provide adequate groundwvater data for.. <br /> tliis investigation.. To effeetively monitor'thegroundwater i <br />