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2900 - Site Mitigation Program
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PR0505234
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Last modified
8/1/2019 3:05:39 PM
Creation date
8/1/2019 2:15:05 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
WORK PLANS
RECORD_ID
PR0505234
PE
2951
FACILITY_ID
FA0001103
FACILITY_NAME
Elkhorn Golf Club
STREET_NUMBER
1050
STREET_NAME
ELKHORN
STREET_TYPE
DR
City
STOCKTON
Zip
95209
CURRENT_STATUS
02
SITE_LOCATION
1050 ELKHORN DR
P_LOCATION
99
P_DISTRICT
003
QC Status
Approved
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EHD - Public
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z <br /> _ L <br /> Advanced AUG 2 1 2000 <br /> GeoEnvironmental, Ir e t i)NMENT HEA <br /> r-FFI,:.! 7!SERVICE <br /> 2L.August 2000 <br /> AGE-NC Project No. 95-0118 <br /> Ms. Carol Oz <br /> San Joaquin County Public Health- Environmental Health Division <br /> 304 East Weber Avenue, Third floor <br /> Stockton, California 95202 <br /> Subject: Remedial Action Status <br /> ELKHORN COUNTRY CLUB <br /> 1050 Elkhorn Drive, Stockton, California <br /> Dear Ms. Oz: <br /> At your request, Advanced GeoEnvironmental, Inc. (AGE) has prepared a status update for the <br /> remedial action at the Elkhorn site. The soil vapor extraction/air-sparging network has fully operated <br /> at the site for nine months. As part of the progression of the SVE/IAS remediation at the site, soil <br /> vapor samples have demonstrated that deduced concentrations of volatile hydrocarbons have been <br /> extracted (reported in Quarterly Report) and fuel consumption has been significant. The current fuel <br /> consumption is beyond the cost effective remediation goals for the site, while system effectiveness <br /> has diminished. <br /> The SVE unit at the site is an internal combustion/dual-catalytic converted extraction system. <br /> Advanced GeoEnvironmental, Inc. (AGE) proposes to continue to extract lower concentrations of <br /> hydrocarbons utilizing an active vacuum blower (10 efm). This modification of the remediation <br /> system will continue to allow for the recovery of hydrocarbon vapors, yet at a lower energy cost. <br /> Based on the current concentrations of the extracted soil vapor stream, a discharge permit will not <br /> be required from the San Joaquin Valley Unified Air Pollution Control District(APCD), due to low <br /> concentrations of VOCs in the discharge stream(<2 pounds day). An additional three months of soil <br /> vapor extraction will be scheduled to allow for removal of the additional hydrocarbon vapor from <br /> the soil at the site. Soil vapor sampling and monitoring will continue over the three-month period. <br /> CONFIRMATION SOIL SAMPLING <br /> As proposed in the PHS-EHD approved Remedial Action Work Plan-August 1997 dated 1 I August <br /> 1997, soil samples will be collected and analyzed to monitor remediation progress/effectiveness. <br /> After approximately six months of operation or efficiency of the SVE trait has declined,confirmation <br /> soil sampling should be performed withing the area of impacted soil (former UST). The confirmation <br /> soil borings will serve to approximate remaining petroleum hydrocarbon levels and determine if <br /> continuing remedial operation is necessary. Samples should be collected using direct push <br /> technology. <br /> 4005 North Wilson Way, Stockton. California 95205 <br /> Telephone(209)467-1006 FAX(209)467-1118 <br />
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