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ARCHIVED REPORTS_XR0012409
EnvironmentalHealth
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MARCH
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3500 - Local Oversight Program
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PR0545517
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ARCHIVED REPORTS_XR0012409
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Last modified
3/12/2020 12:01:42 AM
Creation date
3/11/2020 11:36:09 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0012409
RECORD_ID
PR0545517
PE
3528
FACILITY_ID
FA0003798
FACILITY_NAME
MARCH LANE 76*
STREET_NUMBER
2701
Direction
W
STREET_NAME
MARCH
STREET_TYPE
LN
City
STOCKTON
Zip
95219
APN
11619007
CURRENT_STATUS
02
SITE_LOCATION
2701 W MARCH LN
P_LOCATION
01
P_DISTRICT
002
QC Status
Approved
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SJGOV\sballwahn
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EHD - Public
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ERI 205504101 Tom 76 service Statign 5886,StmkWn Califonua <br /> On May 11, 1999, ERI applied vacuum to MW3, while intermittently air sparging to evaluate the effect <br /> of air sparging on hydrocarbon concentrations and radius of influence (ROI) On May 12, 1999 ERI <br /> applied AS/SVE to MW2, MW3, and MW6 <br /> I <br /> Based on magnehelic readings recorded during the SVE test on May 10, 1999, the estunated effective <br /> vacuum radius of influence is 30 feet (Graph 1) ERI uses 0 5 inches of water to define an effective <br /> vacuum radius of influence <br /> Results of analyses of soil vapor samples collected from well MW3, indicate MTBE concentrations <br /> decreased from 35 micrograms per liter(µg/L) to 22 7µg/L during the test Concentrations of TPPHg <br /> in MW3 decreased from 19 µg/L to non-detect above laboratory Method detection limits <br /> Using standard operating procedure (SOP) 25 "Hydrocarbon Removal From a Vadose Well" <br /> (Attachment B), ERI estimates that approximately 0 007 pounds of TPPHg and 0 061 pounds of MTBE <br /> were removed during the AS/SVE test Results of laboratory analyses and cumulative pounds of <br /> TPPHg and MTBE removed are shown in Table 2 MTBE concentrations and removal rates are <br /> presented on Graph 2 Based on readings collected from MW3 on May 12, 1999, the protected initial <br /> SVE removal rates are C0 03 pounds per day of TPPHg, and 0 06 pounds per day of MTBE Based <br /> on soil vapor concentrations and removal rates it is not economical to implement an AS/SVE soil <br /> remediation system at this time <br /> ERI recommends forwarding copies of this report to <br /> Mr Ronald Rowe <br /> Site Mitigation Unit <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue <br /> Stockton, California 95202 <br /> Please call Mr Keith A Romstad, ERI's manager for this protect at(415) 382-5990 with any questions <br /> regarding this report <br /> Sincerely, <br /> Environmental Resolutions, Inc <br /> /ay)�6 Ciro <br /> James F Chappell <br /> a� Senior SV Scie tist <br /> Mark S D kum <br /> R G 4412 <br /> C E G 1675 <br />
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