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ARCHIVED REPORTS XR0006428
EnvironmentalHealth
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EHD Program Facility Records by Street Name
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DURHAM FERRY
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4491
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3500 - Local Oversight Program
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PR0544625
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ARCHIVED REPORTS XR0006428
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Last modified
7/3/2019 8:38:50 PM
Creation date
7/3/2019 4:37:15 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0006428
RECORD_ID
PR0544625
PE
3528
FACILITY_ID
FA0003113
FACILITY_NAME
ZAPIEN MARKET
STREET_NUMBER
4491
Direction
W
STREET_NAME
DURHAM FERRY
STREET_TYPE
RD
City
TRACY
Zip
95376
APN
25504003
CURRENT_STATUS
02
SITE_LOCATION
4491 W DURHAM FERRY RD
P_LOCATION
99
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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CLEARwATER. <br /> G R O U P, I N C <br /> Environmental Services <br /> QUARTERLY GROUNDWATER MONITORING REPORT <br /> THIRD QUARTER 1996 <br /> Ruiz Grocery,4491 West Durham Ferry Road, Tracy,CA <br /> July 26,1996 <br /> BACKGROUND <br /> Two gasoline USTs and dispensers were removed from the site in 1988 Seven monitoring wells (MW-1 <br /> through MW-7), one groundwater recovery well (RW-1), three soil vapor extraction wells (VW-1 <br /> through VW-3), and two air sparge wells (SW-1 and SW-2) have been installed at the site A domestic <br /> well, screened in a deeper water bearing zone, has also been installed at the site The extent of soil and <br /> water contamination has been delineated Pilot testing has been completed and a remedial action plan <br /> prepared based on results <br /> GROUNDWATER MONITORING FIELD ACTIVITIES <br /> Date of field activities 7/2/96 <br /> Wells monitored/sampled MW-1 to MW-7, and the domestic well <br /> Analytes tested TPHg,BTEX,and MTBE <br /> Analytical methods EPA Methods 8015/8020 (modified) <br /> Laboratory Chromalab, Inc of Pleasanton, CA <br /> Remarks MW-1 was not sampled due to presence of SPH A depth to water <br /> measurement could not be obtained from the domestic well due to <br /> wellhead plumbing <br /> GROUNDWATER MONI'T'ORING RESULTS <br /> Depth to water 14 55 to 15 48 feet below grade <br /> Flow direction/gradient Northwest at 0 0008 ft/ft <br /> SPH - wells/thicknesses MW-1 / <0 01-foot thick heavy sheen/emulsification <br /> TPHg concentration range <50 ppb (MW-3,4,5,6, and 7)to 29,000 ppb (MW-2) <br /> Benzene concentration range <0 5 ppb (MW-3,4,5, 6,and 7)to 2,900 ppb (MW-2) <br /> MTBE concentration range <5 0 ppb (MW-3,4, and 6) to 1,100 ppb (MW-2) <br /> Remarks Groundwater flow is generally consistent with previous measurements <br /> and the extent of the contaminant plume remains delineated The <br /> domestic well remains free of detectable contamination <br /> PROJECT STATUS <br /> Revisions to Clearwater's Problem Assessment Report, Feasibility Study, And Remedial Action Plan <br /> were submitted June 5, 1996 Response from San Joaquin County Public Health Services is pending <br /> Quarterly groundwater monitoring will continue as requested by San Joaquin County <br /> ATTACHMENTS <br /> • Site Location Map (Figure 1) <br /> • Site Plan (Figure 2) <br /> o Groundwater Elevation Contour Map-7/2/96(Figure 3) <br /> • Hydrocarbon Distribution Map-7/2/96 (Figure 4) <br /> ° Groundwater Elevations and Analytical Results (Table 1) <br /> ° Laboratory Report and Chain-of-Custody Form <br /> ° Clearwater Groundwater Monitoring and Sampling Protocols <br /> ° Clearwater Gauge/Purge Calculations and Well Purging Data field sheets <br /> 520 Third Street,Suite 104 o Oakland,Califorrua 94607 o Telephone 510-893-5160 o Fax 510-893-5947 <br />
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