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17�-4 0 <br />r B Regional r -- <br />California <br />Terry Tamminen Central Valley Region <br />Secretary for Arnold Schwarzenegger <br />Environmental Robert Schneider, Chair Governor <br />Protection <br />11020 Sun Center Drive #200 Rancho Cordova, CA 95670-6114 <br />(916) 464-3291 • Fax (916) 464-4775 <br />http://www.swrcb.ca.gov/rwgcb5 <br />7 May 2004 <br />Mr. Kevin Basso <br />General Manager, Forward Inc. <br />PO Box 6336 <br />Stockton, CA 92560 <br />ffirr-*i1yFro <br />ENVERONMEN1 HEALTH <br />PER MIT/SEi-;A0ES <br />2209)FIRST QUARTER 2004 REPORT, FORWARD LANDFILL, SAN JOAQUIN CO. (CASE NO. <br />We have reviewed the First Quarter 2004 Report, Forward Landfill submitted on 30 April 2004. The <br />enclosed Monitoring Report Compliance Checklist summarizes our comments on the report. <br />At the Austin unit, corrective actions for VOC contamination in groundwater were recently upgraded <br />with improvements to the gas extraction system and installation of an infiltration pond for treated <br />groundwater. Recent monitoring indicates that the dominant groundwater flow directions have <br />changed from northeasterly to northwesterly. Likely this is due to the groundwater mound developed <br />under the infiltration pond and possibly changes in agricultural pumping at the Burlington Northern <br />Intermodal Facility (located northeast of the Austin unit). If northeasterly groundwater flow patterns <br />persist the monitoring system must be changed to monitor the northeast side of the site. Forward Inc. <br />should submit a report by 13 August 2004 assessing the likely affect of changing flow directions with <br />a plan to effectively monitor the lateral and vertical extent of contamination. <br />If you have any questions please call me at (916) 464-4614. <br />Ross D. Atkinson <br />Associate Engineering Geologist <br />cc: Mr. Keith Kennedy, California Integrated Waste Management Board Sacramento. <br />Mr. Douglas O'Neal, DISC, Sacramento. <br />Mr. Robert McClellon, San Joaquin County Public Health Services, Stockton. <br />Mr. Butch Stefan, Forward Landfill Operations Manager, Stockton. <br />Mr. Lochlin Caffey, Forward Inc., Pittsburg. <br />Mr. William Lopez, Geologic Associates, San Diego. <br />RDA; C:\my documents\forward\1g_041t <br />California Environmental Protection Agency <br />Co Recycled Paper <br />