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(gully,. .... <br /> SAN JOA U I N Environmental Health Department <br /> COUNTY Wayne Fox , REHS , Interim Director <br /> gtiFoa?`P Greatness grows here . PROGRAM COORDINATORS <br /> Robert McClellon , REHS <br /> Jeff Carruesco , REHS , RDI <br /> Willy Ng , REHS <br /> Muniappa Naidu , REHS <br /> Michael Kith , REHS <br /> December 2 , 2020 <br /> Jay Kandathil & William D . Johns <br /> 9175 Jonathon Court <br /> Stockton , CA 95212 <br /> Subject : Former Global Materials Managment , 1640 N . Broadway Ave , Stockton , CA 95205 <br /> Dear Jay Kandathil & William D . Johns : <br /> This letter confirms the completion of the investigation and remediation activities of the <br /> unauthorized release of petroleum substance discovered at the above- referenced location . <br /> Release Location : 1640 N . Broadway Ave , Stockton , CA 95205 <br /> Release APN : 143 - 250 - 12 <br /> Release Description : Unauthorized release of petroleum substances <br /> Remedial Action Taken : Soil removal from excavation and clean up activities on site in <br /> August . 2017 , ( S1 to S4 samples ) <br /> Entered into Local Voluntary Clean Up Program Remedial Action <br /> Agreement with the San Joaquin County Environmental Health <br /> Department ( EHD ) April 20 , 2018 <br /> Preliminary Site Assessment Work Plan by Advanced <br /> GeoEnviron mental (AGE ) July 30 , 2018 , which established Clean <br /> Up Goals for TPH - oil range compounds using the San Francisco <br /> RWQCB Screening Level of 140 , 000 mg /kg for commercial <br /> properties , and metals using USEPA Region 9 Regional Screening <br /> Levels , except Lead which is found to be elevated , and therefore will <br /> be cleaned up to hazardous waste criteria of 1 , 000 mg /kg for total <br /> lead and 5 mg /I for soluble lead ( STLC ) . EHD approved Work Plan <br /> via email on August 13 , 2018 . <br /> Additional over-excavation and soil sampling in August 2018 and <br /> more soil sampling in November 2018 , resulted in Revised Site <br /> Assessment Report by AGE November 2018 . <br /> Additional soil sampling in January 2019 , resulted in Addendum to <br /> Revised Site Assessment Report by AGE ( now AGI ) September <br /> 2020 . <br /> 1868 E . Hazelton Avenue I Stockton , California 95205 T 209 468-3420 F 209 464- 0138 1 www . sjcehd . com <br />