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Mr. Dan Silva and Ms. Tina Mayhew 15 September 2009 <br /> West Clay Properties Page 4 of 4 <br /> 639 West Clay Street, Stockton, California 95206 <br /> intensely impacted if impacted at all. Several wells are screened in the 40- to 45-foot interval, <br /> but may not be deep enough to catch the migration pathway. The intensely impacted grab <br /> groundwater samples recovered from CPT-1, CPT-2 and CPT-3 that were not verified by data <br /> from monitoring wells MW-16 through MW-24, as described above, may represent cross <br /> contamination from the 40- to 60-foot bsg interval, as may be indicated by the MW-1 and MW-2 <br /> data and the low to no impact in shallower monitoring wells. <br /> Finally, it was noted in your letter that you are not receiving timely reimbursements from the <br /> State Water Resources Control Board (SWRCB) Cleanup Fund (CUF), which is causing a <br /> hardship to you, impeding your ability to assess and cleanup your site until a reimbursement <br /> from the CUF is received, possible in late 2010 or 2011. While sympathetic to the problems <br /> created by the current economic and CUF conditions for our responsible parties, the EHD <br /> cannot indefinitely suspend work on your site, or any other sites, as the EHD is responsible to <br /> keep sites moving toward closure while protecting human health and groundwater. Note that the <br /> EHD recently reduced your monitoring requirements to five wells semiannually, seven to <br /> annually, sixteen to biennially, and discontinued sampling of three wells. Please provide the <br /> EHD with a schedule for complying with all current directives and show how the actions and <br /> timing proposed are protective of groundwater supplies, human health, and advance your site <br /> toward closure as expeditiously as possible. If desired, a meeting with EHD personnel can be <br /> arranged to discuss and plan future work on your site. <br /> Please contact Vicki McCartney at (209) 468-9852, or by email at vmccartney a(),sjcehd.com if <br /> you have any questions. <br /> Sincerely, <br /> LIKLM-e <br /> Victoria L. McCartney, RENS Nuel C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: Mr. William R. Little, PG, Advanced GeoEnvironmental, Inc., 837 Shaw Road, Stockton, <br /> California 95215 <br /> Mr. James L.L. Barton, PG, California Regional Water Quality Control Board Central Valley <br /> Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, California 95670 <br /> Comment Letter 0909 <br />