Laserfiche WebLink
ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Unit Su ervisors <br /> v: ?, Donna K.Heron,R. .H.S. <br /> Director 304 East Weber Avenue, Third Floor Carl Borgman,R. R.E.H.S. <br /> Mike Huggins,Wilson, <br /> S.,R.D.I. <br /> Al Olsen,R.E.H. . $tOCktOri, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> • CqC/FORN�P Program Manag Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie co R. H.S.. Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> Proogg ram Mananag Mark Barcellos,R.E.H.S. <br /> GREGORY GAUT . <br /> 1607 SOUTH TURNPIKE IOAD <br /> STOCKTON CA 95206 <br /> RE: 1607 S.TURNPIKE Site Code:1266 <br /> WORK PLAN: WORK PLA 4 ADDENDUM <br /> DATED: April 9,2002 <br /> PREPARED BY:AGE <br /> APPROVED: <br /> DISAPPROVED: <br /> ADDENDUM IF NEEDE : [x] Submit by: August 16,2002 <br /> ADEQUATE AND NECESSA RY E N[ENTS OF THEW RK PLA [H&S 25299.37,subd(c)(3)]: <br /> 1. The lateral and ve tical extent of soil and groundwater contamination remains undefined. One twin CPT <br /> boring needs to bt completed in the source area/former UST location;one boring for lithology <br /> characterization at d one boring for soil and groundwater sample collection. <br /> 2. Due to a rise in gr undwater at this site,3 MWs need to be destroyed. Replacement wells need to be <br /> installed in discret water bearing zones;shallow and deep. <br /> 3. Additional groun ter characterization is required downgradient of MW-5; 1,2-DCA is undefined <br /> laterally and vertic dly at this downgradient data point. <br /> 4. Soil and groundwt ter samples shall be analyzed by EPA methods 8015m and 8260b. <br /> 5. One 4-inch diame er groundwater extraction well and 2 temporary observation wells will be installed. <br /> 6. An aquifer test wfl be conducted and feasibility testing completed. <br /> COMMENTS AND CONDI DNS. <br /> 1. EHD directs you completed and submit a well receptor survey within a 2000-foot radius from the <br /> release/source art a. <br /> 2. A report of findin must be completed and submitted to EHD and CVRWQCB by August 5,2002. <br /> 3. If contamination r mains undefined with this upcoming phase of investigation,an Addendum to the Work <br /> Plan must be subn 'tted by August 16,2002. <br /> 4. Submit well install n permits and fees for E14D permits prior to implementation of this work. <br /> 5. Secure Cleanup Fi nd preapproval of all applicable costs associated with site investigation,remediation and <br /> EHD directives. <br /> DATED S b BY <br /> Harlin Knoll.Senior REHS (Ml 468-3442 <br />