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�E <br /> San Joaquin County <br />� gUl/y <br /> oP.....,. C Environmental Health Department DIRECTOR <br /> 600 East Main Street Donna Heran,REHS <br /> U: :. :� PROGRAM COORDINATORS <br /> y Stockton, California 95202-3029 <br /> ,. Robert McClellon,RENS <br /> Jeff Carruesco,REHS,RDI <br /> Cq. �P Website: wwwajgov.org/ehd Kasey Foley,REHS <br /> F o Ft Linda Turkatte,REHS <br /> Phone: (209) 468-3420 <br /> Fax: (209) 464-0138 <br /> August 5, 2011 <br /> Estate of Barbara J. Hyduke <br /> Ms. Cindy O'Neill, Executor <br /> 3465 Gleneagles Drive <br /> Stockton, CA 95219 <br /> Subject: Valley Motors LOP Case#:.1166 <br /> 800 E. Main St. CUF#: 12540 <br /> Stockton, CA 95202 Global ID#: T607700430 <br /> WORKPLAN: Addendum to Work Plan for Groundwater Extraction <br /> Remediation Program <br /> DATED: July 26, 2011 <br /> PREPARED BY: Upgradient Environmental Consultants,.Clyde Hebbron <br /> STATUS: APPROVED with conditions noted below. <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health & Safety <br /> Code (H&S) Section 25296.10(c)(3)]: <br /> • Install one, four-inch PVC groundwater extraction well and conduct step rate and <br /> constant rate groundwater extraction (GWE) pilot test. <br /> • Analyze influent and effluent water samples for system effectiveness andfz� <br /> disposal of treated groundwater to the City sewer system under separate permit. r?f <br /> • Submit a report of findings and a feasibility study to the EHD. <br /> COMMENTS AND CONDITIONS: <br /> • The EHD permit application and $500 fee is submitted to the EHD by August 12, <br /> 2011 and the GWE well is installed by August 31, 2011 (item #1 in the <br /> Addendum), 1—vie � <br /> • The temporary piping and short term step test is conducted by September 16,— u� <br /> 2011 (item #2 and #3 in the Addendum), <br /> • The 24-30 hour constant rate pump test calculation, the holding tank <br /> mobilization, the installation of the transducers, the short term 30-hour constant <br /> rate pumping test, and influent water sampling at the end of the test (items #4, <br /> #5, #6, #7 and #8 in the Addendum) are to be completed by October 7, 2011, — SIU <br /> • Set up activated carbon filtration drums, conduct additional water sampling for <br /> MUD, and dispose of treated water (items #9, #10, and #11 in the Addendum) <br /> are to be completed by October.20, 2011 and, <br /> • The report of GWE pilot testing, complete with a feasibility-study—is-submitted-to <br /> Geotracker by November 18, 2011., <br />