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4 <br /> EALIn o <br /> PUBLIC El ICES <br /> SAN JOAQUIN COUNTY r: <br /> i+ JOGI;KHANNA M.D.,M.PH: . •: r. <br /> Health Officer :« <br /> PO.Box 2.0.9 . (1Gt}1 E st Hazelton Avenue) . Stockton, California 95201 �9trfc�w�'`p <br /> (209)468-3400 t... . <br /> January 17..,. :199.0: !` <br /> fl <br /> GEr .S7i ,. I.nc. <br /> P`.O. Box: 501:.1 ry <br /> Ra chtfibri;el., CA 948pq` <br /> i <br /> Attfi ° Ro tt :Bert. <br /> Color Sgcat- In Response Reply Tb, Sate {Code:. 3=343 <br /> 5400 E.: Harney Lane, Lodi. <br /> Cl <br /> Alreport of the soil vapor survey performed by Staal, Gardner: and Dunne at the <br /> above mentioned address (reference #88168b) has recently been submitted to this <br /> office. The soil vapor survey1ciocument revealed that 'benzene was detected in <br /> the'£ laboratory analysis of a domestic water supply well. Due to the close <br /> proximity of off-site private and on-site domestic water supply wells, the San <br /> Joaquin County, Public Health Services, Environmental Health Division (PHS-EHD) <br /> requires the following actions be taken: <br /> 1. Color Spot :shall perform a survey of all wells within a 2000: ft <br /> radius. e <br /> This survey should ifocus on identifying all well locations by site <br /> address. Details`of',well construction, screened intervals and depths <br /> should be included. [This information may be obtained from'Cal.ifornia <br /> State Department 6 Water Resources. <br /> 2.x: Confirmation .MPling of all wells within the 5010 ft,. radius should <br /> be performed immediately.. <br /> A. <br /> If contamination I.S.1tound to be present in 'any v:f the off-:srite. alnd.¢ <br /> a or ori-=.site wells sampled, additional sampling inay be required: by <br /> PHS-�EHD. ane :Regio..naL: Water Quality Control.. Board. (RWQCB): : E: <br /> ; . W <br /> The results of this: ampling along with a proposal foraa groundwater ... <br /> invest gation should.. be submitted to PHS-RHD b ' March: ;15, 1990.: <br /> Refer to the enclosed "'Tri-Regional Board Staff Recimmendaton <br /> dpaumeri't for: guidance: in preparing this proposal... <br /> i <br /> Al <br /> L: !. <br /> ii.. A.D[visiOn of san Jogquia County Health Care,Services - <br /> it <br />