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ARCHIVED REPORTS_XR0008336
EnvironmentalHealth
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2900 - Site Mitigation Program
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PR0541936
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ARCHIVED REPORTS_XR0008336
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Entry Properties
Last modified
5/18/2020 11:52:55 AM
Creation date
5/18/2020 11:08:54 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0008336
RECORD_ID
PR0541936
PE
2957
FACILITY_ID
FA0006149
FACILITY_NAME
RANCH MARKET
STREET_NUMBER
23569
Direction
S
STREET_NAME
SANTA FE
STREET_TYPE
RD
City
RIVERBANK
Zip
95376
CURRENT_STATUS
02
SITE_LOCATION
23569 S SANTA FE RD
QC Status
Approved
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LSauers
Tags
EHD - Public
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Remedial Well and System Installation <br /> The lateral ozone injection Imes, soil vapor extraction lines, and remediation compound were <br /> installed following installation of the ozone sparge and SVE wells The location of the remediation <br /> compound is shown on Figure 3 The SVE lines were stubbed up into a manifold nn the remediation <br /> ' compound The initial SVE system consisted of a 500 cubic feet per minute (cfm) blower with <br /> catalytic oxidizer fired by natural gas connected to the SVE well field manifold Soil vapor <br /> extraction was initiated at the Site on September 26, 2002, under San Joaquin Valley Air Pollution <br /> ' Control District (SJVAPCD) Authority to Construct number N-4613-1-0 The catalytic oxidizer unit <br /> was replaced in June 2003 with a 300-cfm blower using granular activated carbon (GAC) to abate <br /> contaminants <br /> The 20 ozone sparge pipes were stubbed up into a manifold and connected to the 6 cfin ozone sparge <br /> skid Ozone sparging was initiated at the Site on November 20, 2002 <br /> 1 Additional details of the remediation well installation and system startup are described in Secor's <br /> Remediation Well and Soil Vapor Extraction System Installation Report, dated November 27, 2002 <br /> Domestic Wells <br /> Four domestic water supply wells (DW-1, DW-2R, DW-3 and DW-4) and one destroyed domestic <br /> water supply (DW-2) wel l are located within 340 feet of the former tank pit (Figure 2) <br /> Well # Location from Tann Pit Comments <br /> DW-1 90 feet west of tank pit Upgradient of tank pit(onsite well) <br /> DW-2 120 feet south of tank pit Downgradient well (well destroyed) <br /> DW-3 245 feet south of tank pit Downgradient of tank pit <br /> DW-4 340 feet south of tank pit Downgradient of tank pit <br /> DW-2R 200 feet south of tank pit Downgradient of tank pit (well installed <br /> December, 2000 to replace DW-2) <br /> Water samples collected from domestic wells have been analyzed for the presence of BTEX, TPHg, <br /> five oxygenates, 1,2-DCA, and EDB Since water samples collected from DW-2 contained <br />' reportable concentrations of MTBE, the well was taken out of service and replaced with DW-2R <br /> Free product was observed in groundwater monitoring well MW-3 during the First Quarter 2004 <br /> isampling event in January 2004 Upon discovery of the free product, Geocon personnel began <br /> frequent monitoring of the product levels and bailing to remove it Obscived product thickness <br />' ranged from an initial maximum of 0 5 foot on January 9, 2004 to 0 012 foot on February 9, 2004 <br /> On lanuaiy 30, 2004, Geocon personnel purged the well in an attempt to create a cone of depression <br /> i <br /> Proud lila 58643-06-01 -3- Iuly 1,2004 <br />
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