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ARCHIVED REPORTS XR0011458
EnvironmentalHealth
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3500 - Local Oversight Program
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PR0544624
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ARCHIVED REPORTS XR0011458
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Last modified
7/3/2019 7:20:50 PM
Creation date
7/3/2019 4:09:29 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0011458
RECORD_ID
PR0544624
PE
3526
FACILITY_ID
FA0005206
FACILITY_NAME
GEORGES SERVICE
STREET_NUMBER
1600
Direction
W
STREET_NAME
DURHAM FERRY
STREET_TYPE
RD
City
TRACY
Zip
95376
APN
25510004
CURRENT_STATUS
02
SITE_LOCATION
1600 W DURHAM FERRY RD
P_LOCATION
99
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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Geological Tech/ lnc Page 9 <br />' Groundwater Monitoring Report <br /> Project No 425 2 <br /> Apn127,2006 <br /> ' o All remaining monitoring wells were non-detect above laboratory reporting limits <br /> for all analyzed fuel oxygenate constituents <br /> • Lead Scavengers <br /> o MW-2, MW-4, MW-5 and MW-7 show the presence of 1,2-DCA <br /> o MW-1, MW-3, MW-6 and MW-8 were non-detect above laboratory reporting <br /> ' limas for 1,2-DCA <br /> o All Zone A wells were non were non-detect above laboratory reporting limits for <br /> EDB <br /> Zone B: <br /> ' • Laboratory results are summanzed in Table 8 <br /> • MW-2X, MW-101 and MW-105 were non-detect above laboratory reporting limits <br /> for all analyzed constituents <br /> • Trace levels of TPH-G, MtBE and 1,2-DCA were detected in 1\4W-106, the well was <br /> non-detect above laboratory reporting limits for all other analyzed constituents <br /> ' Zone C & Zone D: <br /> • Laboratory results are summarized in Table 9 <br /> • MW-102, MW-107, MW-201 and MW-202 were non-detect above laboratory <br /> reporting limits for all analyzed constituents <br /> Domestics Wells: <br /> • Laboratory results are summarized in Table 10 <br /> • Two domestic wells (1.697 Durham Ferry and 31448 Hwy 33) were tested and found <br /> ' non-detect above laboratory reporting limas for all analyzed constituents <br /> Additional Tested Parameters—Table 11: <br /> Zone A <br /> • Dissolved Oxygen (DO) measurements taken in Zone A ranged between 0 08 (MW-2) <br /> and 0 86 ppm (MW-7) <br /> • DO levels above 1 ppm are conducive to aerobic biodegradation <br /> • Oxidation-Reduction Potential (ORP) measurements were positive in all the Zone A <br /> monitoring wells except MW-2 (-84mV) <br /> ' • Electric Conductivity (EC) measurements taken in Zone A ranged between 1,162 <br /> (MW-1) and 2,694(Dmhoslcm (MW-6) <br /> • pH measurements taken in Zone A ranged between 6 93 (MW-3) and 8 50 (MW-6) <br /> ' • The average groundwater temperature in Zone A was 71 5°F <br /> Zone B <br /> • Dissolved Oxygen (DO) measurements taken in Zone B ranged between 0 33 (MW- <br /> 101) and 131 ppm(MW-106) <br /> • DO levels above 1 ppm are conducive to aerobic biodegradation <br /> c <br />
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