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Weldon Church Property Page 2 <br /> 104 West Beverly Place January 14, 2011 <br /> Tracy, California 95376 <br /> from approximately 13 to 21 feet bsg appear feasible. Based on these favorable results, <br /> AGE recommends: <br /> • Collecting groundwater samples from MW-4 and newly installed monitoring well <br /> MW-8 and analyzing the samples for constituents proposed in In-situ Chemical <br /> Oxidation Pilot Test Work Plan, dated 02 December 2009, and the additional <br /> analytes requested by the EHD by letter dated 03 March 2010; <br /> • Collecting groundwater samples from MW-4 and MW-8 and "additional wells as <br /> required by the Central Valley Regional Water Quality Control Board (CVRWQCB) <br /> general order R5-2008-0149;" <br /> • Performing an in-situ chemical oxidation pilot test by injecting five percent <br /> RegenOxTm at five discrete injection points approximately 7 feet from MW-8 as <br /> presented in In-Situ Chemical Oxidation Pilot Test Work Plan, dated 02 December <br /> 2009. <br /> The EHD approves the pilot test for RegenOxTM injections following the collection of <br /> groundwater from MW-4 and MW-8 to determine background/baseline site conditions and <br /> submitting the findings to the CVRWQCB and the EHD, and approval by the CVRWQCB for <br /> the pilot test work plan as stated in the General Order, Number 2 of Section A (Conditions <br /> of Eligibility). If and when the CVRWQCB issues the permit for the pilot test, then submit a <br /> boring permit application and inspection fee for the advancement of the soil borings and <br /> complete the pilot test. <br /> If you have any questions concerning this letter, please contact Vicki McCartney at (209) <br /> 468-9852, or by email at vmccartney@sjcehd.com. <br /> Sincerely, <br /> W, <br /> Victoria L. McCartney, REHSNuel C., Henderson, Jr., PG <br /> Senior Registered Environmental Health Sp cialist Engineering Geologist <br /> c: Mr. Brian Millman, Advanced GeoEnvironmental, Inc. 837 Shaw Road, Stockton, <br /> California 95215 <br /> Mr. James L.L. Barton, PG, California Regional Water Quality Control Board Central <br /> Valley Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, California 95670 <br /> Ms. Gloria Anguiano, 1640 Havana Drive, San Jose, California 95122-2209 <br /> Todd F. and Cassi C. Aarvig, Trust, 28290 South Banta Road, Tracy, California 95304 <br /> Frank and Bette A. Grande Family LP, Post Office Box 1076, Tracy, California 95378 <br />