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ARCHIVED REPORTS_XR0002801
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3500 - Local Oversight Program
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PR0545262
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ARCHIVED REPORTS_XR0002801
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Last modified
2/3/2020 7:38:16 PM
Creation date
2/3/2020 10:23:47 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0002801
RECORD_ID
PR0545262
PE
3528
FACILITY_ID
FA0009940
FACILITY_NAME
SAN JOAQUIN CATHOLIC CEMETERY
STREET_NUMBER
719
Direction
E
STREET_NAME
HARDING
STREET_TYPE
WAY
City
STOCKTON
Zip
95204
APN
12720002
CURRENT_STATUS
02
SITE_LOCATION
719 E HARDING WAY
P_DISTRICT
001
QC Status
Approved
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SJGOV\sballwahn
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EHD - Public
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1 <br /> permeability of the soils Monitoring well MW 1 and soil boring S132 samples contained <br /> ' significant amounts of hydrocarbon constituents Soil samples collected from soil borings SBI, <br /> S133 and S134 contained trace to very low concentrations of gasoline range analytes Soil <br /> ' contamination is assumed to extend beneath the mausoleum adjacent to the former tank locations <br /> Table 1 summarizes soil analytical results In the analysis of the initial groundwater sample <br /> ' collected from monitoring well MW1, on August 23, 1990, elevated levels of petroleum <br /> hydrocarbon analytes were detected Table 2 summarizes groundwater analytical results <br /> On February 21, 1991 and again on April 18, 1991 confirmationsam roundwater les were <br /> g P <br /> i <br /> collected for analysis from the monitoring well (MW1) The samples were analyzed for BTEX <br /> ' and TPHG by EPA methods 8020/8015 <br /> ' Benzene was detected at 0 6 parts per billion (ppb) in the February 21 , 1991 sample No other <br /> ' petroleum hydrocarbon analytes were detected above method reporting limits <br /> The April 18, 1991 sample was split and analyzed by both Sequoia and Applied Analytical <br /> Laboratories Benzene was again detected at 7 1 ppb (Sequoia) and 3 9 ppb (Applied) in the <br /> ' sample and no other petroleum hydrocarbon analytes were detected above method reporting <br /> limits <br /> SITE GEOLOGYIHYDROGEOLOGY <br /> ' The site is situated on level terrain The soils at the cemetery property have been mapped by <br /> the USDA Soil Conservation Service as Stockton clay (adobe) Stockton clay is a fine-textured, <br /> ' dark gray to black clay, deposited by quiescent or slow moving water The parent material is <br /> of mixed origin, but primarily igneous rock According to the survey some to-place <br /> ' development of this soil has occurred also The development is a tight clay subsoil and is the <br /> result of transport and redeposition of very file particles from the top of the soil profile to the <br /> ' subsoil, resulting in a high colloidal clay content and impervious structure in the subsoil <br /> The importance of the above soil properties is that when they exist at depth they significantly <br /> contribute to a site's ability to attenuate the impacts of any past releases of petroleum fuels <br /> ' R 052992 LF 3 <br />
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