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PR0522496
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Last modified
2/15/2019 4:18:00 PM
Creation date
2/15/2019 2:47:55 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
WORK PLANS
RECORD_ID
PR0522496
PE
2957
FACILITY_ID
FA0015317
FACILITY_NAME
FLAG CITY CHEVRON
STREET_NUMBER
6421
STREET_NAME
CAPITOL
STREET_TYPE
AVE
City
LODI
Zip
95245
APN
05532024
CURRENT_STATUS
02
SITE_LOCATION
6421 CAPITOL AVE
P_LOCATION
99
P_DISTRICT
004
QC Status
Approved
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EHD - Public
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Work Plan Addendum - January 1998 <br /> FLAG CITY CHEVRON <br /> 6421 Capitol Avenue, Lodi, California <br /> 1.0. INTRODUCTION <br /> In accordance with the request of Richard Bokides,Advanced GeoEnvironmental, Inc. (AGE) has <br /> prepared this Work Plan Addendum for 6421 Capitol Avenue, Lodi, California. The scope of work <br /> includes the installation of dual completed ground water monitoring wells on and off-site to assess <br /> the dissolved methyl tertiary butyl ether (MTBE) plume. The location of the site is illustrated in <br /> Figure 1. A plan of the site is illustrated on Figure 2. <br /> This Work Plan is prepared in accordance with San Joaquin County Public Health Services - <br /> Environmental Health Division and Central Valley Regional Water Quality Control Board <br /> (RWQCB) guidelines for the investigation of underground storage tank (UST) sites. <br /> 2.0. BACKGROUND <br /> 2.1. SITE LOCATION <br /> The site is located at 6421 Capital Avenue (formerly 6421 Paddock Place), on the northeast corner <br /> of the intersection of Capital Avenue and Thornton Road,approximately 7 miles west of Lodi, San <br /> Joaquin County, California (Figure 1). The site is further described as being located within the <br /> southeast quarter of Section 11, TownsEp 3 North,Range 5 East,Mount Diablo Base and Meridian <br /> (Terminous Quadrangle, 7.5-Minute USGS Topographic Series, 1978). <br /> The site is currently occupied by Flag City Chevron, a gasoline dispensing station/mini-market. The <br /> surrounding property is primarily agricultural or commercial. <br /> 2.2. PREVIOUS INVESTIGATION <br /> The following is a summary of previous investigation activities at the site: <br /> • It is our understanding that an unauthorized release of gasoline was reported to PHS-EHD <br /> in June 1990; volatile aromatics (benzene, toluene, ethylbenzene and xylenes: BTEX) were <br /> detected in soil samples collected beneath the UST area at concentrations as high as 0.025 <br /> parts per million (ppm, reported as milligrams per kilogram). <br /> • In May 1991,ground water monitoring wells MW-1 through MW-3 were installed at the site. <br /> Dissolved petroleum hydrocarbons were not detected in initial ground water samples <br /> collected from MW-I through MW-3, however benzene was detected in samples collected <br /> from wells MW-1 and MW-3 at concentrations as high as 9.4 parts per billion(ppb, reported <br /> Advanced GeoEnvironmental,Inc. <br />
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