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IEGI NED '" � APR 1 2 cuiJ RAMAGE ENVIRONMENTAL,INC ENVIRONMENT HEALTH tnvi,,w 465 S.Meadows Pkwy,Ste.20 PMB 157 Reno,NV 89521 Tel(775)851-7239 Fax(775)851-7240 April 9, 2010 Mr. Harlin Knoll, Sr. R.E.H.S. San Joaquin County PHS/EHD 600 East Main Street Stockton, CA 95202-3029 Re: Quarterly Status Report, First Quarter 2010 County Motor Pool UST Site, 1810 E. Hazelton Ave., Stockton, California Global ID#T0607799494, EHD Site Code: #1141, USTCF Claim#11390 Dear Mr. Knoll: On behalf of the county of San Joaquin(property owner), Ramage Environmental, Inc. is pleased to submit to the San Joaquin County Environmental Health Department(EHD)this Quarterly Status Report, First Quarter 2010 for the above-referenced case. Project Status On March 7, 2003, Ramage Environmental published Site Conceptual Model and Work Plan, Additional Site Investigation and Remedial Feasibility Testing. On July 14, 2003, EHD approved the work plan. On May 20,2005, Ramage Environmental published Well Installation and Groundwater Monitoring Report, which documented the installation of one additional groundwater monitoring well (MW-7)and two remedial feasibility test wells (SVE-IA/B/C and AS-1/SVE-2B). On April 9, 2009, EHD issued a letter documenting a case file review, and directed that the remedial feasibility testing be completed by August 1, 2009. Remedial feasibility testing and the investigation of the vertical extent of impacted soil and groundwater remain pending due to funding limitations within the county Facilities Management Department budget. On July 24, 2009, EHD directed that quarterly groundwater monitoring be reduced to semi- annual sampling, according to State Water Resources Control Board (SWRCB) Resolution No. 2009-0042. On July 28, 2009, Ramage Environmental notified EHD by e-mail that the remedial feasibility testing would not be completed by the deadline, due to continued funding limitations.