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ARCHIVED REPORTS XR0006110
EnvironmentalHealth
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COUNTRY CLUB
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1876
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2900 - Site Mitigation Program
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PR0542421
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ARCHIVED REPORTS XR0006110
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Last modified
6/21/2019 12:37:27 PM
Creation date
6/21/2019 10:40:12 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0006110
RECORD_ID
PR0542421
PE
2950
FACILITY_ID
FA0024377
FACILITY_NAME
COUNTRY CLUB BLVD/295950
STREET_NUMBER
1876
STREET_NAME
COUNTRY CLUB
STREET_TYPE
BLVD
City
STOCKTON
Zip
95204
APN
12319101
CURRENT_STATUS
01
SITE_LOCATION
1876 COUNTRY CLUB BLVD
P_LOCATION
01
QC Status
Approved
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• PURPOSE AND SCOPE <br /> The following report documents the First Quarter 2005 groundwater monitoring <br /> i <br /> SITE LOCATION AND DESCRIPTION <br /> The site address is 1876 Country Club Blvd , Stockton, CA It is located at the southeast <br /> corner of the intersection of Mission Street and Country Club Blvd (Figure 1) The <br /> property is located in protected Section 4, TIN, R6E of the MDB&M at approximately <br /> five feet above mean sea level The north corner of the property at Country Club Blvd <br /> and Mission Road is at N370 58 044' Latitude and W 1210 19 393' Longitude (Delorme sa <br /> 7 0) On May 1, 2001 Land Surveyors Kjeldsen, Sinnock & Neudeck, Inc surveyed the <br /> positions, top of casing and surface elevations of all wells associated with this site After <br /> installations of new wells MW8A, MW8B, MW9A, MW9B and MWIO the site was <br /> resurveyed by Morrow Surveying on September 24, 2004 Elevation differences <br /> occurred for all old wells surveyed Figures 3 and Table 1 has been revised to this new <br /> survey All associated figures showing site conditions are based on the new Figure 3 <br /> The property previously contained two 1000 gallon gasoline Underground Storage Tanks <br /> (UST's), product dispensers, and associated underground piping (Figure 3) The UST's, <br /> dispensers, and piping were removed from the site in 1989 Over-excavation of gasoline <br /> contaminated soils associated with the USTs and former pump islands occurred during <br /> the month of February 2003, removing an estimated 638 tons of gasoline contaminated <br /> soils from above and below the water table (maximum depth of excavation 30 feet below <br /> surface) <br /> The property owner originally installed five onsite monitoring wells Three additional <br /> cluster wells and four piezometers were installed to aid in the investigation of soil and <br /> groundwater conditions at the site Prior to over-excavation monitor well MW 1 was <br /> destroyed by over drilling and during excavating cluster wells RIA and RIB along with <br /> piezometers PZ1A, PZ1B, PZ2A and PZ2B were removed by excavating, removing all <br /> well materials At the current time the following are the remaining active wells for this <br /> site MW2, MW3, MW4, MW5, MW6A, MW6B, MW7A, MW7B, MW8A, MW8B, <br /> MW9A, MW9B and MW 10 <br /> LOCAL GEOLOGY AND HYDROGEOIL®GY <br /> The site is located on surface soils belonging to the Stockton Adobe Clay and Honeycut <br /> Clay series They are derived from Recent alluvial fan and floodplain deposits The 40 <br /> feet of explored section consisted of clay and silt overlying interbedded lenses of silty <br /> and clayey sands below 12 feet This first sandy formation has been designated the A <br /> zone aquifer The base of the A zone is at approximately 17 - 18 feet below ground <br /> surface (bgs) An aquitard consisting of silty clay approximately 3 to 4 feet thick <br /> separates the silty clayey sand A zone aquifer fromthe B zone aquifer that is found. at <br /> 3 Sanchez QM 1st 2005 <br />
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