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,�A�I�IIIf�lf11I II <br /> 1 <br /> , <br /> I <br /> b <br /> i k 1'�'it i / '��i I r^q'^ya 1j <br /> .,t i„ <br /> � � �� _ + <br /> BBL <br /> BLASLAND,BOUCK&LEE,INC. <br /> engineers &scientists <br /> Transmitted Via U.S. Mail <br /> May 30, 1996 <br /> Steve Sasson <br /> Pubiic`Healtli Services <br /> San Joaquin County <br /> Environmental Health Division <br /> 304 East Weber Ave., 3rd Floor <br /> Stockton, CA 95201-0388 <br /> Re: Addendum to Phase I&II Environmental Assessment <br /> Tiki Lagun Resort&Marina <br /> 12988 West McDonald Island Road <br /> Stockton, CA 95206 <br /> "?C� j {}i i11r;JCJj�C1 l �J Tr1JU{J' 2 Fii e4iJi)�F' ,^JCi?i ; i r'a <br /> Project# 05845 <br /> Clrlrl 2On -Aj?'d.0 ;K' jCQ ide^.X�to <br /> (r1rX <br /> Dear Mr. Sasson: <br /> The purpose of this letter is to prm4de.addi"'nal info'iination to the Phase Il Environmental Assessment <br /> so that closure can be granted to Tiki Lagun Resort&Marina for the former underground tank location. <br /> Additional information was requested by Mr. Sasson on May 23, 1996 in a telephone conversation with <br /> Mr. Joseph P. Como of Blasland,Bouck&Lee Inc. (BBL). <br /> i <br /> Issues of Concern: <br /> Sampling of Stockpile After Re-excavation of Former Tank Location: j <br /> In accordance with the approved work plan' BBL directed the removal of soil from the former tank <br /> location. The soil was monitored.with an organic vapor monitor(OVM)to screen for contaminated soil. <br /> If soil with elevated OVM readings was encountered it was to be stockpiled onsite. OVM monitoring <br /> consisted of collecting a sample of soil from each 3 to 5 cubic yards removed, putting the soil into a <br /> covered glass mason jar, and inserting the probe of the OVM into the jar for measurement. During the <br /> entire re-excavation there were no samples that produced any positive readings on the OVM. None of the <br /> samples caused the OVM to indicate that an organic vapor was present in the soil. Olfactory senses and <br /> visual observations of the soil also did not indicate that the soil contained any petroleum hydrocarbons. <br /> During the excavation,clean soil was stockpiled next to the open hole. At a depth that was most likely to <br /> contain contaminated soil (as indicated by previous soil sample results), samples were collected to <br /> determine the presence'and concentration of petroleum hydrocarbons. This operation followed the <br /> procedures as outlined in the approved work plan. There were no positive OVM readings in the bottom <br /> ' BBL��tter to San Joaqquin County Environmental Health Division.August 4, 1996. <br /> 7599 Redwoo culevard •Sn 209• o ato,CA 94945-7701 •Tel(415)898-72 8 • Fax(415)898-7212 • Offices Nationwide <br />