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l 2701 Prospect Park Drive <br /> Rancho Cordova California 95674 <br /> Tel (916)444-0123 ff <br /> Fax (916)635-8805 HEALff <br /> www brownandcaldwell com )7fi'F� �lr "FRVICE <br /> t <br /> 03 APR 15 AM 7= 55 <br /> April 14, 2003 <br /> ' 1 W N A N r <br /> 1 <br /> Mr Michael J Infurna,Jr <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 Weber Avenue, Third Floor <br /> Stockton,California 95202-2708 017-23954-004/2 <br /> Subject Sensitive Receptor Survey,T&T Trucking, 11396 North Highway 99, <br /> Lodi, California <br /> Dear Mr Infurrna <br /> On behalf of T&T Trucking, Brown and Caldwell (BC) is submitting the results of <br /> a sensitive receptor survey around the subject site (Figure 1) related to a former <br /> gasoline underground storage tank (UST) This work is being conducted at the <br /> request of the San Joaquin County Public Health Services Environmental Health <br /> Division (County) as outlined in their January 3,2003 letter <br /> The objective of the investigation is to determine locations of sensitive receptors <br /> located within 2000 feet of the site <br /> Site Background <br /> A former 4,000 gallon UST was located approximately 50 feet west of the office <br /> building (Figure 1) Past inventory records reveal no fuel loss up to and including <br /> February 17, 1995 On February 20, 1995, a 970 gallon release was reported <br /> during inventory monitoring The remaining fuel was removed from the UST the <br /> same day as the release <br /> The UST was removed by Johnson Petroleum Construction on March 29, 1995 <br /> Two soil samples were collected from the bottom of the UST cavity by Wallace <br /> Kuhl&Associates (WKA) Petroleum hydrocarbons were not identified in one <br /> sample, but detectable concentrations were recorded in the other sample <br /> T&T Trucking started excavation of the petroleum hydrocarbon-impacted soil on <br /> March 30, 1995 Approximately 250 cubic yards of soil were removed and <br /> P\230110\23954 Tl trucking\Scnsirn e Receptor Sun ey DOC <br /> E n v i r o n m e n t a i n g i n e e r s e3 C a n s u d t a n t s <br />