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ARCHIVED REPORTS XR0009550
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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PR0544711
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ARCHIVED REPORTS XR0009550
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Last modified
7/30/2019 3:30:06 PM
Creation date
7/30/2019 2:51:39 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0009550
RECORD_ID
PR0544711
PE
3528
FACILITY_ID
FA0005478
FACILITY_NAME
CUTTER LUMBER
STREET_NUMBER
4004
Direction
S
STREET_NAME
EL DORADO
STREET_TYPE
ST
City
STOCKTON
Zip
95206
APN
17525005
CURRENT_STATUS
02
SITE_LOCATION
4004 S EL DORADO ST
P_LOCATION
99
P_DISTRICT
001
QC Status
Approved
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EHD - Public
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Former Manna Pro Site Page 3 <br /> Quarterly Groundwater Monitoring Report <br /> Project No 207 2 <br /> August 1, 2003 <br /> 2.0 GROUNDWATER MONITORING <br /> The following sections describe the procedures associated with the completion <br /> of groundwater monitoring and ancillary activities at the site <br /> 2.1 Groundwater Sample Collection <br />' On June 18, 2003, Del-Tech Geotechnical Services of Oakdale, CA mobilized to <br /> the site to complete groundwater monitoring The groundwater monitoring <br />' procedure was as follows Upon arrival, each well was opened and the water <br /> level allowed to equilibrate As each well was opened, and prior to taking the <br /> depth to groundwater measurement, a PID organic vapor meter was used to <br /> screen for VOC's in the head space of the wells which were to be sampled The <br /> depth to groundwater was then measured by lowering an electronically <br /> actuated air / water interface detector suspended from a polyethylene <br /> measuring tape calibrated to the nearest 0 01 foot (see groundwater <br /> monitoring data sheets in Appendix B) A careful notation was made of the <br /> depth to groundwater as measured by the device No measurable free product <br /> was observed in the wells <br />'. Each well to be sampled was pumped with a Waterra pump with dedicated <br /> vinyl tubing Well water was containerized in 55-gallon, DOT approved <br /> polyethylene drums, properly labeled, and temporarily stored on-site The rate <br /> of well purging was monitored, and each well was purged of at least three <br /> casing volumes or until the groundwater parameters (temperature, <br /> conductivity, and pH) had stabilized indicating that water representative of <br />' actual aquifer conditions was entering the well Groundwater parameter <br /> stabilization was characterized by three successive readings within 10 percent <br />' After the wells had been allowed to recharge to at least 80 percent of their <br /> original volume, samples were collected from them using methods described <br /> below <br />' Wells purged with a Wattera pump were sampled directly from the dedicated <br /> tubing Before, and in between uses, all re-usable sampling equipment was <br />' washed using a portable steam cleaner Disposable gloves were worn by the <br /> sampling technician while collecting all samples The gloves were changed <br /> between the collection of each sample to reduce the potential for cross- <br /> contamination <br /> Extreme care was exercised while collecting samples to prevent agitation of <br />' the water contained in the bailer Water samples were transferred from the <br /> bailer into 40 ml VOA vials preserved with hydrochloric (provided by the <br />' 2937 Veneman Ave ,#B240 Geo-Phase Environmental Inc Phone(209) 569-0293 <br /> Modesto, CA 95356 Fax(209) 569-0293 <br />
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