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WESTERN i-396_EtLsT BEA-MER sTRL'V-T
<br /> WOODLAND CA�<_7?6,6053
<br /> 53o) 668-5301,1
<br /> �Aj IF CONTRACTO 4;33857 FAX(533."
<br /> REGISTERED GEOLOGISTSNor
<br /> csc���4�1 suet
<br /> Mr R3chaid Stiffler September 6, 2005
<br /> Enviionniental Contiol Section, Department of Municipal Utilities
<br /> City of Stockton
<br /> 1500 Navy Drive
<br /> Stockton, CA 95206-1191
<br /> (209) 937-8740 Fax (209) 937-8708
<br /> I.E August 2005 sewer discharge report for 1875 Country Club Blvd , Stockton, CA
<br /> Deal Mr Stifflei
<br /> Tl-le following is the recluiied monthly report documenting sewer discharge activities
<br /> froiv 1876 County Club Blvd , Stockton:, California Prior to initiating discharge, a water
<br /> Saiti yle was obtained of the treated water, stored in a drum on April 1, 2005 All sewer
<br /> ClIsc,haige requiiernents were met Treated groundwater discharge to sewer commenced
<br /> oil Apiil 8, 2005 Upon receipt of the April 29, 2005 analytical results the system. was
<br /> ,,,,,,it down due to the pi esence of TBA in the effluent stream at 7 1 ug/L A total of
<br /> 230,314 gallons of treated groundwater had been discharged to the sanitary sewer clean-
<br /> 03it at the site The. number nne carbon unit was removed from the system and two new
<br /> ca3bc)" '-'nits wt.ie added (number 4 and number 5 positions) A sample of the effluent
<br /> ..s obtained on May 12, 2005 with no further discharge to sewer On May 23, 2005 a
<br /> z�vision to ti eatment system was submitted to your office discussing modifications to the
<br /> ,,eatiijeiit system for removal of TBA Western Geo-Engineers has completed the
<br /> ,,lod3 fications to the treatment system and will restart the system in September 2005
<br /> ,)ischaig� from the 5t" water carbon will be diverted into a 22,000 gallon capacity Baker
<br /> taialc with no discharge to sewer A sample of the discharge treated water will be
<br /> obtai;1ed. after 10,000 gallons have been processed to determine if the treatment system
<br /> ,,1pdifications aie successful in removing TBA This sample will be analyzed for pH
<br /> (EPA 150 1), Total Petroleum Hydrocaibons (EPA 418 1), BTEX, MTBE, TBA, DIPB,
<br /> aid TAME,(EPA 8260), Total metals Cd, Ci, Cu, Pb, Ni and Zn (EPA. 200), and
<br /> TBETal i'oi;ic Organics (EPA 624 and 625) Once the analytical iesults are received,
<br /> �i1dicati43a that the ievised tieataient system effluent meets discharge requirements, the
<br /> p�ilip 13id tieatment system will be activated and sewer discharge will comi-neiice
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