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A <br /> �°f urh <br /> PUBLIC-HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> �:��dw .;�; ''•fir <br /> m: X <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer .. <br /> Li�tia <br /> 445 N. San Joaquin Street • P.O. Box 388 * Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> DAN BARBER C (DFIY A TEICHERT & SON INC <br /> P O BOX 15002 <br /> SACRAMENTO CA 95851 MAY 2 5 1994 <br /> RE: 103 North E Street SITE CODE: 1555 <br /> Stockton, Ca <br /> San Joaquin County Public Health Services, Environmental Health <br /> Division (PHS/EHD) has completed the review of the "Remedial <br /> Action Plan and Results of Soil Vapor Extraction Pilot Test", <br /> dated April 4, 1994, and has the following comments. <br /> The data from the vapor extraction test indicate a substantial <br /> radius of influence for the site, confirming vapor extraction to <br /> be a feasible remedial alternative for this site. Based on the <br /> test data, it appears the radius of influence encompasses most of <br /> the area of concern. Monitoring conducted on outlying perimeter <br /> wells sometime during the operation of the system can confirm the <br /> actual radius of influence being experienced for the site. <br /> Operation of the proposed vapor extraction system should begin as <br /> soon as permitting and construction allow. PHS/EHD should be <br /> kept appraised of the system operation, including all data <br /> generated, any problems associated with system operation, the <br /> steps taken to correct any problems, the total volume of air <br /> processed and the volume of hydrocarbons removed. The vapor <br /> extraction system status report should be submitted with the <br /> regular quarterly status report for the site. <br /> PHS/EHD must provide public notification of the proposed remedial <br /> alternative to any nearby neighbors that may be affected. <br /> PHS/EHD will provide this notification by posting the site. <br /> PHS/EHD will notify you in writing when the public notification <br /> is complete. <br /> Pursuant to California Code of Regulations Title 23, Chapter 16, <br /> Article 11 (Corrective Action Regulations) , Section <br /> 2725(e) (g) (enclosed for your reference) , the Final Remedial Plan <br /> must include an assessment of the impact of the contamination to <br /> groundwater, the current and potential beneficial uses of <br /> A Division of San Joaquin County Health Care Services <br />