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PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> EWIRONMENTAL HEALTH DMSION <br /> Karen Furst,M.D.,M.P.H., Health Officer <br /> Eas <br /> 304 r Weber Avenue, Third Floor•Stockron, CA 95202 <br /> 209/468-3420 <br /> FILE CNY <br /> MR EDWARD BARKETTE <br /> 2800 W MARCH LN #360 JUL 141998 <br /> STOCKTON CA 95219 <br /> RE: Eastland Plaza Property <br /> 678 (548)N. Wilson Way <br /> Stockton, CA 95202 <br /> San Joaquin County Public Health Services Environmental Health Division (PHS/EHD) <br /> has reviewed the "Limited Phase H Environmental Assessment Report" (EAR) prepared <br /> by Kleinfelder, Inc., dated November 10, 1997 and the "Former Service Station Site <br /> Assessment" (SA) for 548 N. Wilson Way prepared by Advanced GeoEnvironmental, <br /> Inc., dated May 21, 1998. <br /> Kleinfelder's EAR consisted of historical research of the site to determine if previous <br /> activities/land use may have impacted the soil or groundwater at the site. Three borings <br /> were drilled to a depth of 50 feet. Soil and groundwater samples were analyzed for Total <br /> Petroleum Hydrocarbon-E.enwtables (TPH), Volatile Organic Carbon Compounds, <br /> Semi-Volatile compounds and Heavy Metals. Chloroform was detected at 2.1 parts per <br /> billion (ppb) in Boring (B) 2. TPH was detected at 320 ppb in groundwater in Hole <br /> Punch (HP)-1 and at 430 ppb in HP-3. <br /> Advanced GeoEnvironmental conducted a Preliminary Site Assessment (PSA) in the area <br /> of 678 N. Wilson Way site (previously addressed as 548 N. Wilson Way) where an old <br /> gas station was located. The gas station was observed on an aerial map, listed in phone <br /> books and identified on Sanborn Fire Insurance maps (these historical sources date from <br /> approximately 1937- 1952). Exact locations of underground storage tanks, their <br /> disposition, dispensers and piping were not in evidence in this report or the Kleinfelder <br /> report above-mentioned. Analytical results of soil samples collected in this location were <br /> non-detectable for gasoline constituents. <br /> The investigative work done at this property was conducted using the best available <br /> historical documents, technology and good faith effort consistent with current practices of <br /> environmental consulting firms. PHS/EHD acknowledges that the boring locations <br /> chosen for investigation may not be representative of soil and groundwater conditions of <br /> the entire site. Based on the results of the EAR and PSA submitted for review, PHS/EHD <br /> will not be listing this site as contaminated on our data base. PHS/EHD has no regulatory <br /> authority for this site at this time. <br /> A Division of San Joaquin Counry Halrh Care Sevims <br />