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ARCHIVED REPORTS_XR0012720
EnvironmentalHealth
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3500 - Local Oversight Program
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PR0545393
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ARCHIVED REPORTS_XR0012720
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Last modified
3/5/2020 2:15:23 PM
Creation date
3/5/2020 1:28:36 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0012720
RECORD_ID
PR0545393
PE
3528
FACILITY_ID
FA0005072
FACILITY_NAME
DIAMOND LUMBER INC
STREET_NUMBER
224
Direction
N
STREET_NAME
MAIN
STREET_TYPE
ST
City
LODI
Zip
95240
APN
04308301
CURRENT_STATUS
02
SITE_LOCATION
224 N MAIN ST
P_LOCATION
02
P_DISTRICT
004
QC Status
Approved
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EHD - Public
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MR <br /> t <br /> (a(te <br /> 1� <br /> 1.0 1NTRODUCI1ON <br /> Steffen Robertson and }:irsten {U.S.), Inc. (SRK) has been retained by Diamond Lumber <br /> Company ut perC{arm <+ 1'hl+sc II 1 nviron.nental Audit at the Diamond Lumber facility located �t <br /> and <br /> 224 North Main Street, I_odi, California. The Scope of Work included the installation <br /> sampling of three groundwater monitoring wells to investigate the potential for groundwater <br /> contaminant migration from two underground storage tan's(USTs) that were removed from the <br /> site in 1985. This sects':: of work was modified in the field to include removal of a groundwater <br /> monitor point which hacl been incorrectly installed by others at an earlier date. <br /> t <br /> T},e study was performed by fully qualified SRK professionals under the technical guidancc.and <br /> direct supervision of Rob D. Gwilym, an Environmental Geoscientist and regi.-ured <br /> Environmental Professional (NAEP 1792) also registered as an Environmental Assessor in <br /> i log), and Washington. All geologic and hydrogcologic <br /> California (0035), Nevi+da {EM0 <br /> i contponerts were conducted under the direct supervision of Greg Knell, California Registered <br /> Geologist, 4692. <br /> t ' 1.1 Background Information <br /> One 500-gallon gasoline UST and one diesel UST(size unknown)were reportedly removed from <br /> the site on February 13, 1985. An inspection report dated February 14, 1985,completed by Sten <br /> Joaquin County Public Health Services/Environmental Heaith Division(PHS/EHD)documented <br /> ing <br /> th <br /> that a hole(1.5"by 1.25")was observed in the bottom oar gaged adjacon ent to the sone tank, Cuth wall <br /> leaking product(!;cc Appendix B). The former UST graves <br /> of the warehouse that extends cast from the retail building. The former UST location was <br /> reportedly excavated to thirteen feet and gasoline contaminated soil was observed. <br /> On February 19 through March 20, 1985,J.11. Kleinfelder&Associates reportedly installed two <br /> test holes and rine monitoring well. One test hole was installed at the former tank location <br /> (maximum depth 20 feet),while the second boring was placed adjacent to the tank pit(maximum <br /> depth of 21 feet), the exact locations of the test holes is unknown. A temporary monitoring <br /> well was installed approximately 5 feet south of the former USTs. Copies of the Kleinfelder <br /> drilling logs and associated analytical soiligroundwater data are provided in Appendix A. <br /> Available information indicates that soil samples were collected from the test hole localed in the <br /> while one soil <br /> ate <br /> tank pit at approximdepths of 17 and 18 feet below ground surface (BGS), <br /> sample was collected at a depth of 17 feet from the boring adjacent to the tank pit. Laboratory <br /> soil samples were collected during the installationof.the monitoring well at depths of 17,25 and <br /> 30 feet BGS. Analytical parameters for the soil samples collected from soil during the mom tonne <br /> well installation include benzene,toluene,and xylene(BTX)and total lead,while the soil samples <br /> from the test holes were analyzed for BTX. One groundwater sample was collected from the <br /> for BTX. The analytical soil results showed non-detectable <br /> monitoring well and also analyzed <br /> Sie[[te Ropertx,n oed Kineo <br /> J <br />
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