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ARCHIVED REPORTS XR0011746
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ARCHIVED REPORTS XR0011746
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Last modified
11/19/2024 10:19:08 AM
Creation date
9/4/2019 11:01:03 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0011746
RECORD_ID
PR0544801
PE
3528
FACILITY_ID
FA0003210
FACILITY_NAME
TEXACO TRUCK STOP
STREET_NUMBER
7500
Direction
W
STREET_NAME
ELEVENTH
STREET_TYPE
ST
City
TRACY
Zip
95378
APN
25015018
CURRENT_STATUS
02
SITE_LOCATION
7500 W ELEVENTH ST
P_LOCATION
03
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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Report: Groundwater-qualityMonitoring-April 15,2003: 7500 West Eleventh Street, Tracy, CA. Page i <br /> Table of Contents <br /> PROFESSIONAL CERTIFICATION AND LIMITATIONS...................................ii <br /> 1.0 INTRODUCTION....................................................................................................... I <br /> 1.1 Site Location I <br /> 1.2 Site Codes 1 <br /> 1.3 Background.............................................................................................................. I <br /> 1.4 Geology and Hydrogeology..................................................................................... 3 <br /> 1.5 Distribution of Hydrocarbons in the Subsurface ...................................................... 4 <br /> 2.0 APRIL 15, 2003 GROUNDWATER SAMPLING AND ANALYSIS....................... 6 <br /> 2.1 Groundwater Elevations and Flow Direction.......................................................... 6 <br /> 2.2 Purging of Monitoring Wells................................................................................... 8 <br /> 2.2.1 Disposal of Purge Water................................................................................... 8 <br /> �_j 2.3 Recovery of Groundwater Samples from Monitoring Wells................................... 9 <br /> 2.4 Analyses of Groundwater Samples.......................................................................... 9 <br /> 2.4.1 Groundwater Quality in the Near-Surface Unconfined Aquifer..................... 10 <br /> 2.4.1.1 Analytes of Concern in Groundwater Along Principal Plume Axis....... 10 <br /> 2.4.1.2 Fuel Oxygenates in Groundwater at Fringes of Principal Plume ...........Al <br /> 2.4.1.3 Analytes of Concern in Secondary Groundwater Plume......................... 11 <br /> 2.4.2 Groundwater Quality in the Deeper Confined Aquifers................................. 12 <br /> 2.4.3 Absence of Diesel Range Fuel Hydrocarbons in Groundwater Samples ....... 12 <br /> 3.0 FUTURE ROUNDS OF GROUNDWATER SAMPLING AND ANALYSIS ........ 15 <br /> 4.0 REFERENCES .......................................................................................................... 16 <br /> TABLES <br /> is <br /> Table 1: Depths to Groundwater <br /> Table 2: Results of Analyses of Samples of Groundwater <br /> FIGURES <br /> Figure 1: Site Location <br /> Figure 2: Groundwater Contours—April 15, 2003 <br /> Figure 3: Affected Soil in Cross Section A-A' <br /> Figure 4: Affected Soil in Cross Section B-B' <br /> Figure 5: Affected Soil in Cross Section C-C' <br /> APPENDICES <br /> APPENDIX A: Field Notes <br /> APPENDIX B: Laboratory Certificates of Analysis <br /> sic <br />
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