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�l <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br />' °�'" UIN COUNTY <br /> 0 o SAN JOA Q <br /> Unit Supervisors <br /> > 4 OG <br /> Donna K Heran,R E H S Carl gorgman,R E H S <br /> Director <br /> 304 East Weber Avenue, Third Floor Mike Huggins,R E H S ,R D I <br /> • Al Olsen,R E H S Stockton, California 95202-2708 Douglas W Wilson,R E H S <br /> • _- P Program Manager Telephone (209) 468-3420 Margaret Lagono,R E H S <br /> 4�'r oRaLaurie A Cotulla,R E H SRobert McClellon,R E H S <br /> Program Manager _ FaX (209) 464-0138 Mark Barcellos,R E H S <br /> PAUL SUPPLE OCT 14 2004 <br /> ARCO PRODUCTS COMPANY <br />' P O Box 6549 <br /> MOR.AGA CA 94570 <br /> RE ARCO <br /> 225 Cherokee Lane <br /> Lodi, CA <br /> San Joaquin County Environmental Health Department (EHD) approved the "Work Plan <br /> Addendum for Soil and Groundwater Assessment' dated January 28, 2004, prepared by <br /> URS Corporation for the above referenced site on February 24, 2004 On March 22 and <br /> 23, 2004, soil borings B25, B26 and B27 were drilled in City of Lodi easements Soil and <br /> grab water samples were collected and analyzed This letter is to clarify that installation <br /> of one onsite deep ground water monitoring well, one shallow off-site ground water <br /> monitoring well, and any other additional ground water monitoring wells needed to <br /> properly monitor the plume still need to be completed <br /> In discussions with the Central Valley Regional Water Quality Control Board staff, EHD <br /> was informed that the site at 16 S Cherokee, Lodi, north of this site has deep wells <br /> screened from 90 to 100 feet below ground surface and that the deep well for this site <br /> should be installed to a similar depth In discussions with the City of Lodi staff, EHD was <br /> informed that they would allow the installation of a monitoring well east of this site in the <br /> sidewalk or parking lane, so application for an encroachment permit has been discussed <br /> with your consultant, URS Corporation EHD well permit applications and $89 permit <br /> fees need to be submitted with figures showing the well locations and construction <br /> details for these additional wells The permits and figures should be submitted by <br /> November 1, 2004, and the work completed by December 1, 2004 <br /> IIf you have any questions contact me at(209) 468-3449 <br /> ' Donna Heran, REHS <br /> Director of Environmental Health <br /> Margaret Lagorio, Supervising REHS <br /> Site Mitigation Unit <br /> c URS—Vernon Elarth <br /> CVRWQCB—Jim Barton <br />