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Sep-23-02 04: 37P SIF_F PACIFIC GROUP 916 :3 3197 P. 11 <br /> iw <br /> to F <br /> 0111 <br /> I <br /> f,. larx � � ilii <br /> �+`•y`='� CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD RECEIVED NOV al <br /> •1 �.gg CENTRAL VALLFY REGION <br /> j 8 3443 Routier Rind,Suite A <br /> Sacramento'CA 95827-309xT .. —.._+ �,. •-- <br /> Phone(916)255-3000 <br /> FAX(916)255-3015 wii,m,Caverhor <br /> 5 November 1997 <br /> Mr. Clary R,immey <br /> Cargill,Inc.;MS-21 <br /> 400 S. highway 169 <br /> St. Louis Park,MN 55426 <br /> APPROVAL OFRF,QUE.Q'1-0R NO FURTHER ACTION,FORMER t:ARGl'LL M0,rASSES <br /> FEED PRODUCT FACTIJTY,STUCKTON,.SA1%rJ0AQUINCOUNTY <br /> Staff have reviewed the 1 I September 1997 Aird Quarter 1997 Monitoring Report and the request for <br /> closure f'or the former molusscs f'ccd product facility at Port Road 8 within the Port of Stockton. Staff <br /> have also reviewed the Case file and the reports which detail the soil and groundwater investigatiot3;tt the <br /> property. The reports contain information regarding(a)collection of soil samples,(b)detttolition of all <br /> above ground structures,(c)installation of three monitoring wells,and (d)three groundwater monitoring <br /> events. <br /> Although the initial soil samples contained elevated concentrations ofboth the oxidized and reduced <br /> forms of nitrogen, the composite sail sample coIlccted after the demolition activities were completes) <br /> contained trate}lower levels of nitrogen, 'l herefore,staff surmise that contaminated soil was removed <br /> during the demolition activities and hereby approve Cat-gill's request for no further action for the soil at <br /> this site, 'Phis approval is further justified by the probable paving of the site in the near future. <br /> Groundwater has been analyzed for nitrate, arranonia,and total dissolved solids. Nitrate is not present <br /> above levels of concent, Anunonia was found at tip to eleven times the taste-and-odor threshold. Total <br /> dissolved solids are elevated but this may be due to the proximity of the San Joaquin River and the <br /> intrusion of'connate water. Staff hereby approve Cargill's request for no further action for the <br /> groundwater at the site because the extent of contamination appeairs to be limited and docs not appear to <br /> impact the beneficial use of surrounding groundwater. However,if information presented at a later date <br /> Shows that beneficial uses are impacted due to Cargill"s past activities,then the Board may reopen this <br /> ease, As reclucsted,the three tnottitoring wells may be destroyed. <br /> Nothing in this determination shall constitute or be construed as a satisfaction or release from liability <br /> f'or any conditions or claims arising a,a result of past,current,or future operations at this location. <br /> Nothing in this.deterntination is intended or shall be construed to limit or preclude the Reginal Board or <br /> any other agency from taking Bother enforcement action. Ms letter does not relieve.Cargill, Inc. of any <br /> responsibilities ntaodated under the California Health and Safety Code and the.( alifotttiri Water(:ode if <br /> existing,additional,or previously unidentified contamination at the site cause.,or threatens to Ceruse <br /> pollution or nuisance or is found to pose a threat to public health or water quality, <br /> If you have any questions,you may contact Wendy Wyels at(916)255-3078. <br /> WENDY L.COHEN <br /> }§ !ty�'t <br /> ; ��XC ,i ���Ii� �. . .��� <br />