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ROYAL OAK SAVINGS & LOAN <br /> 510 N. Marin Street, Marueca, Cal forma <br /> Final Remedlatior^ Plan <br /> Arnerrlment #11.1 <br /> Groundwwer Reawdiluiors <br /> 1.0 I)VFRODOCTION <br /> This addendum is being submitted as the final addendum for the site at 510 N. blain <br /> Street in Manteca. This addendum addresses groundwater contamination, and a <br /> remediation plan for the Regional Water Quality Control Board consideration <br /> ;? 0 RACKGRO UND ANIS IHSTORY <br /> Royal O?k Savings and Loan was the deed holder of this property, a 1.6 acre site on <br /> the northeast corner of Alameda and N. Main St. in Manteca, California. The property <br /> is in Federal Receivership tinder the administration of the Resolution Trust <br /> Corporation. In 1985, die underground tanks from an abandoned filling station were <br /> removed, and San Joaquin County Environmental Health Department determined that a <br /> petruieum release had occurred. <br /> Two site investigations were undertaken between 1986 and 1990; one by Harding <br /> Lawson&Associates, and another by Canonie Engineering. <br /> In August of 1990,WHF Environmental Consultants, Inc, submitted a work plan for <br /> the excavation of the contaminated soil. <br /> The excavation was started on SepEember 20, 1990, and completed in October 3, 1990. <br /> of <br /> A total of 4,394 cubic yars wof cont_minahoa were remediated b+y aeration on s'lteethis was <br /> The 903 yard ch 903 yards wernatcd. <br /> completed on October 3, 1990. <br /> W14F proposed to install(3) monitoring/extraction wells ou the site. These wells are d <br /> inch wells and were installed on November 12, 1990 through November 14, 1990. <br /> Wells were developed and sampled by McCain Environmental Services, December 3, <br /> 1990 through December 5, 1990 <br />