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ARCHIVED REPORTS_XR0002813
EnvironmentalHealth
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3500 - Local Oversight Program
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PR0545262
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ARCHIVED REPORTS_XR0002813
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Last modified
2/3/2020 7:45:24 PM
Creation date
2/3/2020 10:29:21 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0002813
RECORD_ID
PR0545262
PE
3528
FACILITY_ID
FA0009940
FACILITY_NAME
SAN JOAQUIN CATHOLIC CEMETERY
STREET_NUMBER
719
Direction
E
STREET_NAME
HARDING
STREET_TYPE
WAY
City
STOCKTON
Zip
95204
APN
12720002
CURRENT_STATUS
02
SITE_LOCATION
719 E HARDING WAY
P_DISTRICT
001
QC Status
Approved
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SJGOV\sballwahn
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EHD - Public
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3.0 CONCLUSIONS AND RECOMMENDATIONS <br /> Groundwater levels have risen an average of 0 77 feet since groundwater levels were last <br /> measured on May 1, 1998 The groundwater gradient was calculated at 0 001 foot/foot in a <br /> northerly direction This result is consistent with historical groundwater flow and gradient data <br /> Groundwater samples collected this quarter from MW-6, MW-7, VW-1 and VW-2 indicate a general <br /> decrease in gasoline hydrocarbon concentration since the last sampling was performed on May 1, <br /> 1998 In VW-2, the concentration of TPH-as-gasoline declined from 2,200 ppb on May 1, 1998 to <br /> 550 ppb this quarter Concentrations of benzene and MTBE in VW-2 remain relatively consistent <br /> with the last sampling event In VW-1, the concentration of TPH-as-gasoline declined from 90 ppb <br /> on May 1, 1998 to below the detection limit of 50 ppb this quarter TPH-as-gasoline, BTEX and <br /> MTBE were not detected in MW-6 and MW-7 <br /> Ramage Environmental recommends the following course of environmental corrective action <br /> 1 Complete the bid solicitation process for the construction and operation of a soil vapor <br /> extraction and air sparging system Bids should be submitted to the UST Cleanup Fund for <br /> review and cost pre-approval <br /> 2 Upon cost pre-approval by the UST Cleanup Fuad, authorize the selected contractor to begin <br /> construction and operation of the remediation system <br /> 3 Continue to monitor and sample groundwater from the four water table wells on a quarterly <br /> basis The UST Cleanup Fund has already pre-approved the cost of quarterly monitoring <br /> through February 1999 <br /> i <br /> I <br /> 4 <br />
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