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PUBLIC HhOALTH SERVI� S �, <br /> o ..N..� <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION Z< <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor - Stockton, CA 95202 <iFOR <br /> 209/468-3420 FILE <br /> C <br /> JOHN MCDOWELL <br /> FRANK, RUSSEL E JR & T TR ETAL SEP 161999 <br /> 2066 COLEY AVENUE <br /> ESCALON CA 95320 <br /> RE: McDowell & Frank Towing &Auto SITE CODE: 1486 <br /> 1360 Escalon Avenue <br /> Escalon CA 95320 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) <br /> has reviewed the file for the above referenced site and has the following comments. <br /> On March 15, 1999 four underground storage tanks (UST) were removed under permit <br /> and inspection from the above referenced site. Soil discoloration and hydrocarbon odors <br /> were noted beneath the west end of tanks#1 and #2. On March 18, 1999 the associated <br /> piping and dispensers islands were removed. Hydrocarbon odors were noted in the soil <br /> beneath the west end of the dispenser island area. Soil samples for analysis were <br /> collected as required from beneath the tanks, the dispenser islands, the piping lines, and <br /> from the soil stockpiles. Analytical results evidenced up to 210 parts per billion (ppb) <br /> methyl-tertiary-butyl-ether(MTBE), 2,700-ppb tertiary-butanol (TBA) and 570 ppb total <br /> xylene from the former tank pit, and 5,000-ppb TBA and 110 ppb total xylene from the <br /> former dispenser island area. <br /> Please submit a work plan to begin the investigation of the vertical and lateral extent of <br /> the documented contamination to PHS/EHD by November 5, 1999. Include in the work <br /> plan a site specific Health and Safety Plan, and a well survey that documents the location <br /> of all domestic, industrial, municipal, agricultural and other wells within a 2000-foot radius <br /> of the site. The construction of the wells, if known, should be included. Enclosed for your <br /> information is a list of environmental consultants currently working in the San Joaquin <br /> County area. <br /> If you have any questions please call Lori Duncan at (209) 468-0337. <br /> Donna Heran, RENS, Director <br /> Environmental Health Division <br /> C-erv-, C( 1�v .e,%— <br /> Lori Duncan, REHS Margaret Lagorio, REHS <br /> Site Mitigation Unit IV Supervisor, Unit IV <br /> enc. <br /> cc: Mark List, Regional Water Quality Control Board, Central Valley Region <br /> A Division of San Joaquin County Health Care Services <br />