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i <br /> J <br /> 1604 B Street <br /> Page 2 <br /> i <br /> As a part of reporting requirement's, PHS/EHD requested that an inventory of stored and already <br /> disposed soil cuttings and purge/development water be prepared. Thank you for information that <br /> the contaminated water was discharged to the City of Stockton's sanitary sewer system and the <br /> contaminated soil disposed at the TPS Technologies Incorporated Soil Recycling Facility in <br /> Richmond CA. Disposal documentation should be submitted with summary reports. <br /> ti <br /> In summary, the lateral extent of groundwater contamination appears to have been defined on site <br /> with wells MW10, MW11 and MW12. Additional groundwater monitoring will be required prior to <br /> implementing further lateral groundwater investigation. PHS/EHD requested a vertical groundwater <br /> investigation which has not been initiated. A work plan to perform field testing of remedial soil and <br /> groundwater remediation alternatives should be submitted by September 15, 1996 that includes the <br /> results of third quarter groundwater monitoring and which considers PHS/EHD's request for a <br /> vertical groundwater investigation. <br /> Please note that PHS/EHD must be contacted prior to any site activity. If you have any questions, <br /> please contact me at (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Mary Meays TS Se"Nor REHS Margare Lagorio, RE <br /> Site Mitigation Unit Lead Senior <br /> MM/1604B <br /> i <br /> cc: Elizabeth Thayer, CVRWQCB <br /> cc: Saiyed Ali, CalTrans <br /> cc: Rick Walls, GEOCON <br /> i <br /> i <br />