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June 5, 1998 Harding Lawson Associates <br /> 41017 002 <br /> Mr. Michael Kith <br /> San Joaquin County Public Health Service <br /> Environmental Health Division <br /> Page 2 <br /> • The 210,000-gallon concrete UST was used to store a heavy fuel oil, Number 6 fuel. <br /> • The UST removal subcontractor is OGISO Environmental of Oakland California who are a California <br /> licensed contractor with a A-HAZ license (license # 706242). <br /> • The UST has a diameter of approximately 70 feet and the bottom of the UST occurs at approximately <br /> 7.25 feet below the ground surface (BGS). <br /> • Residual contents will be recycled prior to removal by a state licensed firm to be determined based on <br /> results of the analyses of the UST contents. Several potential haulers are included in the attached <br /> information. <br /> • The concrete bottom and sidewalls will be dissaggregated, decontaminated, and disposed of as inert <br /> construction debris or utilized as backfill material. <br /> The PHS/EHD will be notified in writing at least 48 hours in advance. Because of the large size of the <br /> UST, the removal process will take several days and is scheduled to proceed in June following issuance of <br /> the PHS/EHD closure permit. <br /> Please contact the undersigned at(916) 364-0793 if you have any questions regarding this information or <br /> any other aspect of the project. <br /> Yours very truly, <br /> HARDING LAWSON ASSOCIATES <br /> 6waxe-� <br /> Gary D. Haack,Ph.D., R.G. <br /> Project Geologist <br /> Attachments: Site Vicinity Map <br /> Detailed Site Plan <br /> Application for Underground Storage Tank Closure Permit <br /> Authorization to Release <br /> Underground Storage Tank Program-Fee Worksheet <br /> Check for$351.00 in Permit Fees <br /> Underground Storage Tank Disposition Tracking Record <br /> Completed pages 4, 5, and 6 of Application Package <br /> Copy of Fire Department UST Removal Permit <br /> Site Health and Safety Plan <br /> A Work Plan for the Complete Removal of the UST <br /> GDH/GLF/tb/G:\WP\GDMGH41017E.354 <br /> ti <br />