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<br /> SECTION 1
<br /> INTRODUCTION
<br /> This document is the Workplan for a Soil
<br /> Invand Groundwater
<br /> Investigation of the site located at 4004 El Dorado Street,Stockton, San
<br /> Joaquin County, California,
<br /> Site Baekgmund
<br /> The Manna Pro facility consists of a feed mill and warehouse located
<br /> on El Dorado Street in Stockton, California (M
<br /> no longer in operation and a portion of the warehouse I being The eased
<br /> to a tenant. A Phase II site audit was
<br /> Environmental Consultants in Feb
<br /> five underground fuel tanks wti conducted by WHF
<br /> ed 0- During
<br /> hesite northwest corner
<br /> of the property. ere iden
<br /> The fuel tanks were removed by SE
<br /> AjC0 (a WHF) in
<br /> June 1990, Diesel and gasoline contamination was found in the
<br /> underlying soils after the tanks were removed. Contamination was
<br /> also found underneath the fuel Pumps, to the southeast of the tanks.
<br /> A moved y Bar, workplan was prepared b
<br /> ~� y WHF in July 1590 and
<br /> approved by San Joaquin County. Appro mately 9,;00 cubic yards of
<br /> sail were then excavated from the area and stockpiled b site. o
<br /> addendum io the re-excavation workplan calling for removal it 5 00
<br /> cubic yarns of soil was filed with San Joaquin Co
<br /> 12, 1990,and was a q qty on Septernberr
<br /> , approved by the County.
<br /> Before Proceeding
<br /> for Manna Pro)contracted eexcavation,
<br /> ith ERM-West tto review y& Myers(attorneys
<br /> work performed to date and provide reco w the status of the
<br /> mti activities at the site. ERM-West recommendedrcommendations for future
<br /> be done to determine the extent of soil coinationestig tion
<br /> Proceeding further with Prior to
<br /> of
<br /> Accordingly, additional excavation ofthe i,,- contaminated was done October soil.
<br /> 1990 under the auspices of the approved September 12 workplan
<br /> addendum, Additional contaminated soil pths from
<br /> I5 feet to 35 feet in the esting excavation was found at deasmore fully described in
<br /> the ER-NI-West report filer] with San Joaquin County on OctoUer 15
<br /> 1990
<br /> 1-1
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