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t <br /> CHRONOLOGY <br /> 1469 HA:2 Il&MR LANE <br /> SITE CODE: 1126 <br /> CVRWQCB CASE T 390428 <br /> 10/06/89 Failed precision test on UST system occurred- F.rID completed a UAR <br /> and.prop. 65. <br /> F <br /> 1 I/30/92 EHD issued permit 992-;809 for soil borings and soil sampling. <br /> 03/11/93 Report reviewed and soil contaminarioa evidenced in SB-4 IocaBon at 30 <br /> and 45 feet BGS. <br /> 03/10/94 EHD reviewed addition soil boring (SB-5) results which further defined <br /> Gasoline contamination. <br /> 11/01/94 Additional soil characterization proposed and EHD issued permit <br /> 4004597. <br /> 05/04/95 Report reviewedand one boring contained soil contamination; low Ievel <br /> gasoiine residual in soil west of island and dispenser,leak. <br /> 12/10/97 Site status review classified this site as low risk soil case. File will be <br /> prepared for CVRQWCB closure concurrence. f <br /> 12129/97 EHD referred site to CVRWQCB for closure concurrence. <br /> t <br /> s <br /> 01/15/98 CVRWQCB prepared correspondence addressed to EHD regarding first generarion USTs <br /> closure information and postponed any further closure review until the second generation <br /> USTs,scheduled for removal,have been closed and assessed. <br /> I'o u 0- <br /> 02/02/98 Thme USTs removed under permit and inspection this date;second generation USTs <br /> removed and soil samples collected. Soil contamination in areas of concern <br /> overexcavated and confirmation samples collected over the nerd[few weeks. <br /> 05/01/98 Pacific Environmental Group,Inc.report regarding soil sampling results for station <br /> upgrade was completed and contains a summary of the assessment for the closure of the <br /> second generation USTs_ Gasoline and MTBE residuals remain in soil in the tank field <br /> and in the former dispenser areas. All contaminated soil removed/generated off-loaded <br /> for disposal. <br /> 08/07/98 EHD completed a second Case Closure Summary(post second generation UST removal) <br /> and a second request for closure concurrence a submitted them to the CVRWQCB_ <br /> Chron1469 <br /> i <br /> I <br /> I <br />