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ARCHIVED REPORTS XR0007668
EnvironmentalHealth
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EHD Program Facility Records by Street Name
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EL DORADO
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3500 - Local Oversight Program
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PR0544653
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ARCHIVED REPORTS XR0007668
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Last modified
7/11/2019 7:18:10 PM
Creation date
7/11/2019 2:42:05 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0007668
RECORD_ID
PR0544653
PE
3528
FACILITY_ID
FA0004695
FACILITY_NAME
BRIDGESTONE/FIRESTONE #3573
STREET_NUMBER
400
Direction
N
STREET_NAME
EL DORADO
STREET_TYPE
ST
City
STOCKTON
Zip
95201
APN
13907009
CURRENT_STATUS
02
SITE_LOCATION
400 N EL DORADO ST
P_LOCATION
01
P_DISTRICT
001
QC Status
Approved
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EHD - Public
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' Firestone Service Center 400 North El Dorado, Stockton, California <br /> February 2, 1994 Sod Remediation Plan—2072.01 Page 3 of 6 <br /> Due to the difference in soil media between the wells, only one well will operate <br /> at a time. Based on the limited extent of hydrocarbon impacts, the single well <br /> extraction system (per identified soil layer) is projected to have a sufficient radius <br /> of influence to reach the impacted areas <br /> Since the maximum vertical extent of observed contamination is within 30-feet of <br /> the surface and groundwater has not been encountered at this site to a depth of <br />' 41 5-feet, groundwater is presumed to be unimpacted by the release and should <br /> not be affected by proposed VES system operation <br /> 3.2 Vapor Extraction Equipment/System Connections <br /> The equipment for the vapor extraction process will include a skid-mounted unit <br /> consisting of an explosion-proof regenerative blower designed to operate at 60- <br /> standard cubic feet per minute (scfm) and 46-inches of water, a vapor entrapment <br /> canister which protects the blower from moisture, a flow meter and vacuum <br /> gauge, and a carbon canister for treatment of extracted vapor prior to discharge <br /> It is projected that one carbon canister will be sufficient, however, system <br />' monitoring will verify the treatment requirements The carbon canister can be <br /> readily replaced as necessary <br /> The vapor extraction wells will be connected to the system by PVC or HDPE pipe <br /> Pipe will be placed in a trench from the well head to the corner of the budding <br /> within the city right-of-way The trench will be backfilled with soil or gravel and <br /> resurfaced with concrete to meet the existing sidewalk grade Steel pipe may be <br /> utilized for the exposed section of pipe Isolation valves will be installed on the <br /> connection pipe for each well to facilitate well selection A single header pipe will <br /> be connected to the blower, housed outside of the building The VES unit will be <br /> secured behind a locked fence and protected from weather A plan view of the <br /> system is shown in Figure 3 <br /> During the site monitoring visits, necessary operation and maintenance tasks will <br /> be performed The equipment will be lubricated and filters will be checked The <br />' blower oil level and the liquid level in the moisture separator will be inspected <br /> System adjustments or repairs will be made accordingly <br /> r3.3 Monitoring <br /> Monitoring points will be utilized to evaluate the effectiveness of each extraction <br />' well and verify the radius of influence. A combination of five monitoring points <br /> screened at a range of depths and distances from the extraction wells are proposed <br /> for data collection and system evaluation The 2-inch diameter monitoring well, <br /> RYAN-MURPHY, INCOP"RATM Denver <br /> Emirownental Consiraction Management Im Angeles <br />
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