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ARCHIVED REPORTS XR0001537
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3500 - Local Oversight Program
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PR0544465
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ARCHIVED REPORTS XR0001537
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Entry Properties
Last modified
5/16/2019 1:36:31 PM
Creation date
5/16/2019 1:22:23 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0001537
RECORD_ID
PR0544465
PE
3528
FACILITY_ID
FA0005837
FACILITY_NAME
STEFANOS GASOLINE*
STREET_NUMBER
1419
Direction
E
STREET_NAME
CHARTER
STREET_TYPE
WAY
City
STOCKTON
Zip
95205
APN
15137016
CURRENT_STATUS
02
SITE_LOCATION
1419 E CHARTER WAY
P_LOCATION
01
P_DISTRICT
001
QC Status
Approved
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EHD - Public
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, , f <br /> _ 4 <br /> 7 1 i <br />' 07 May 2004 <br /> • AGE-NC Project No 03-1100 <br /> Page 2 of 4 <br /> After collection, the samples were properly labeled, placed in a chilled container and transported <br />' under chain-of-custody to Cal Tech Environmental Labratones, Inc (CTEL) for analysis The <br /> samples were analyzed for v <br />' a Total petroleum hydrocarbons quantified as gasoline (TPH-g) in accordance with EPA <br /> Method 8015-modified, <br />' 0 Benzene,toluene,ethylbenzene and xylenes(BTEX)in accordance with EPA Method 8260B , <br /> and <br />' 0 Fuel oxygenates methyl tertiary-butyl ether (MTBE), dl-Isopropyl ether (DIPE), ethyl <br /> tertiary-butyl ether(ETBE),tertiary-amyl methyl ether(TAME), and tertiary butanol(TBA) <br /> in accordance with EPA Method 8260B <br />' 3.0. FINDINGS <br /> Y <br /> Ground water elevation, flow direction and gradient were determined from field data collected on' <br /> 23 December 2003 The contaminant Impact to ground water was quantified by the laboratory <br /> analytical data <br /> 3 1 GROUND WATER GRADIENT AND FLOW DIRECTION <br />' At the time of the°December 2003 sampling event, depths to ground water ranged from 43 30 feet <br /> to 44 86 feet below the tops of the well casings During this monitoring event,the ground water level <br /> in the wells was approximately 13 30 to 14 86 feet below the tops of the well screens,indicating that <br /> the wells are screened properly and yield representative shallow ground water samples <br /> N <br /> Ground water elevations at the site ranged from 23 84 feet below mean sea level (MSL)in well <br /> MW-7 to 24 56 feet below'MSL in well MW-4 (Table 1) <br /> a , <br /> The'relative ground water elevation at the site increased an average of 12 feet between the <br /> September 2003 and December 2003 monitoring events <br /> f <br /> Wells MW-1'through MW-7 were used to infer ground water flow direction and gradient' The <br /> ground water flow direction was inferred to be south-southeast at the former UST location The <br /> hydraulic gradient was determined to be 0 009 feet/feet or less Figure 3 illustrates the contoured <br />' ground water elevations as measured on 23 December 2003 <br /> Advanced GeoEnvjronmental,Inc ti <br /> 5 <br />
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