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TA HEALTH DEPARTMENT <br /> ENVIRONMENTAL � <br /> u' SAN JOAQUIN COUNTY Unit Supervisors <br /> Donna K.Heran,R.E.H.S. I Carl Borgman,R.E.H.S. <br /> of A•� 304 East Weber Avenue, Third Floor <br /> Director I Mike Huggins,R.E.H.S.,R.D.1. <br /> ' Al Olsen,R.E.H.S. Stockton, Calif4nia 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> i <br /> • w .:`P• Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Qui x off`' Laurie A.Cotulla,R.E.H.S. Robert McClellon,R.E.H.S. <br /> Program Manager Fax: (2091 464-0138 Mark Barcellos,R.E.H.S. <br /> CAL-TRANS DISTRICT 10 <br /> PO BOX 2048 <br /> STOCKTON CA 95201 <br /> SAIYED S ALI <br /> RE: Tracy Maintenance Station <br /> 2005 Krohn Rd. <br /> Tracy, CA. 95376 ' <br /> WORK PLAN: "Leach field Site Investi ation." DATED: May 7, 2002 <br /> PREPARED BY: Martha Adams Shaw Environmental <br /> STATUS: APPROVED with conditions listed below . <br /> ADEQUATE AND NECESSARY ELEMENTSI l F THE WORK PLAN: <br /> • Install u to four 4 push oints to _25' �b s and collect soil and gKgpndwater <br /> samples at 5' intervals and analyze for constituents listed in paragraph 4.4 of <br /> work plan and, <br /> Properly containerize and dis ose of waste enerated by procedures and <br /> • <br /> Prepare and submit a report of findin s to EHD. <br /> COMMENTS AND CONDITIONS: <br /> • Collect and analyze a 'sludge' sam le from inside one or more of the leach <br /> lines usin TCLP to initiallscreen for contaminants of concern and <br /> • Provide justification for soil bo in "B-1.' proposed to 40' b s well into <br /> saturated zono and <br /> • Include detailed and full historical bac round information of leach field <br /> installation and use and <br /> • Provide current and historical roundwater flow directions. <br /> REASONS FOR DISAPPROVAL OF THE W PLAN: <br /> • None. <br /> DATED: May 23 2002. BY: C <br /> Michael Infu , Senior RENS 209 468-3454 <br /> /IFaxed to consultant:--7; ?' <br /> �I <br />