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w ` <br /> CHRONOLOGY <br /> BOGETTI' S ORCHARD <br /> 2393 EAST HIGHWAY 132 <br /> VERNALIS CA 95385 <br /> 02/24/99 Three underground storage tanks removed this date under permit <br /> and inspection by Environmental Health Department. <br /> 03/01/99 Laboratory analytical reports note petroleum hydrocarbon <br /> contamination to soil and grab water samples collected from <br /> beneath the tanks and dispensers. <br /> 04/16/99 Unauthorized Release Report#99-U27 and Prop 65 #99-049 filed <br /> this date. <br /> 06/16/99 Notice of Responsibility letter sent this date to Albert Bogetti. <br /> 02/08/00 One soil boring and five groundwater monitoring wells installed <br /> beginning this date. <br /> 02/28/00 Monitoring wells developed and sampled this date. Analytical <br /> results show soil contamination in the source area well. <br /> Groundwater samples all non detect. <br /> 04/26/00 Date of Quarterly Report-February 2000 that reports work <br /> performed in February 2000. <br /> 04/25/03 Eighth groundwater monitoring and sampling event conducted this <br /> date. Reported detections of contamination were10 ppb MtBE <br /> and 0.56 ppb benzene in source area well. <br /> I`. 07/30/03 Date of Closure Summary Report that recommends site closure. <br /> Only confirmed groundwater contamination was in MW1 in the <br /> source area. MTBE and Benzene only contaminants detected with <br /> the highest concentration being 16 ug/l and 2.7 ug/l respectively. <br /> 10/03/03 Per Regional Water Quality Control Board, Central Valley Region <br /> request, three area domestic wells were sampled this date. <br /> 10/14/03 Received copies of the laboratory results from the sampling of the <br /> domestic wells. Results were below detection limits for all <br /> constituents analyzed. EHD concurs with site closure. <br />