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PUBL HE <br /> AL'�H SER ICES �o �a <br /> SAN JOAQUIN COUNTY <br /> JOG[KHANNA M.D.,M.P.H. <br /> HealthOfficer <br /> 4LI F+pR� <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) • Stockton,California 95201 <br /> NEAR 2 6 1991 (209) 468-3400 <br /> ROBERT EAGLE Fly <br /> U S SPRINT COMMUNICATIONS COMPANY <br /> 12502 SUNRISE VALLEY DRIVE STE 200 <br /> RESTON VA 22096 <br /> i <br /> RE: U.S. Sprint IN REPLY REFER TO SITE CODE: 1803 <br /> 6855 W. Eight Mile Road <br /> Stockton, CA <br /> We have reviewed .the Site Evaluation/Remediation Work Plan dated January 24, 1991, for the above <br /> referenced site. <br /> Your consultant,Wallace-Kuhl and Associates, Inc:;proposes to excavate contaminated soil until TPH-diesel <br /> levels in the resulting excavation are below 100pprn or until groundwater is encountered. Please be advised <br /> that according to the August 10, 1990 Tri-Regional Board Staff Recommendations, 100ppm is not a cleanup <br /> level. The origin of the 100ppm level was to develop a method to prioritize the`case load and indicate <br /> whether a significant volume of fuel had been released or discharged. The level of cleanup .is to be <br /> assessing the potential impact of residual soil contamination on the groundwater. In many <br /> determined b as p <br /> Y <br /> $ P <br /> cases it may not be appropriate to leave soil in place which is contaminated with total petroleum <br /> hydrocarbons or other compounds at any concentration. <br /> Although this investigation/remediation re-excavation should be beneficial for source removal, further <br /> investigation may be required to determine the hydrocarbon contamination impact on groundwater beneath <br /> the site. <br /> Please proceed with your immediate plans for source removal. San Joauqin County Public Health Services, <br /> rior to commencement of field activities. <br /> Ih. Environmental Health Division should be notified 48 hours p <br /> -----upon completion of the proposed field activities,a soil remediation report should be prepared and submitted <br /> to this office within forty-five (45) days. <br /> If you have any questions, contact Eleanor Ratliff,'REHS, at (209)468-3454. <br /> Jogi Khanna, M.D., M.P.H. <br /> Health Off, <br /> c <br /> i <br /> urie A. Cotulla, REHS, Program,Manager <br /> Environmental Health Division <br /> LAC/ER:nr <br /> c: Wallace - Kuhl and Associated - Richard Primzic <br /> 3050 Industrial Blvd., P.O. Box 1137 <br /> West Sacramento, CA 95691 <br /> A Division of San Joaquin County Health Care Services <br />