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WESTERN 13961 A51 131 AMI R S I Rl I I <br /> WHO (55330}) 6G68-58-5300A"- GEO-ENGINEERS wcx�ul n6i1U, <br /> , <br /> CAI 11 CON I RAC i OR #513857 1 AX(5 30)662-027 3 <br /> RI (,ib I LRLD(,I 03 O(jN 1 ti N1,Lgt W'm0tht: u1111 <br /> Mr Larry Williams June 7, 1999 <br /> Senior Environmental Control Officer <br /> City of Stockton <br /> Dept of Municipal Utilities <br /> 2500 Navy Drive <br /> Stockton, CA 95206 <br /> (209) 944-8722 <br /> RE Wastewater Discharge Permit UPDATE 944 for Wickland Properties site 8603, located at <br /> 6425 Pacific, Avenue, Stockton, California <br /> Dear Mr Williams <br /> This letter is the Update Status Report#44 concerning the above wastewater discharge permit <br /> SPILL PRI VENTION PLAN <br /> As required by the Wastewater Discharge Permit for this site, a Spill prevention plan has been <br /> prepared <br /> The waste stream is treated groundwater condensate produced from the vapor extraction of monitor <br /> wells MW1, MW2, MW3, and MW10, and the purged water produced during the quarterly ground <br /> water sampling of all the wells associated with this site <br /> Lawrence Tank Testing's (LTT) vacuum pump service uses their vacuum pump to pull the water <br /> from MW8 and MW12, through dedicated one inch Sch 40 PVC pipes, into a 100 gallon stainless <br /> steel tank <br /> This water is then transferred to the "ConVauit" for treatment by "tank aeration", with the vapor <br /> destruction accomplished using air stripping LTT has stopped (August 1993) purging monitor <br /> wells MWI, MW2, MW3 and MW10 The vapor extraction system has been temporarily turned <br /> off awaiting the San Joaquin County Health decision for no further action at this site Condensate <br /> water produced from the vapor extraction system is placed into the "ConVauit" for vacuum <br /> stripping ticatment <br /> I R-603 WW044 6/7/99 <br />