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ARCHIVED REPORTS XR0009539
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 XR0009539
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Last modified
7/30/2019 3:27:35 PM
Creation date
7/30/2019 2:39:23 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0009539
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 />' Protect No 207 2 <br /> November 4, 2002 <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 September 9, 2002, Del-Tech Geotechnical Services of Oakdale, CA <br /> mobilized to the site to complete groundwater monitoring The groundwater <br />' monitoring procedure was as follows Upon arrival, each well was opened and <br /> the water level allowed to equilibrate As each well was opened, and prior to <br /> taking the depth to groundwater measurement, a PID organic vapor meter <br />' was used to screen for VOC's in the head space of the wells which were to be <br /> sampled The depth to groundwater was then measured by lowering an <br />' electronically actuated air 1 water interface detector suspended from a <br /> polyethylene measuring tape calibrated to the nearest 0 01 foot (see <br /> groundwater monitoring data sheets in Appendix B) A careful notation was <br />' made of the depth to groundwater as measured by the device No measurable <br /> free product was observed in the wells <br />�. Each well to be sampled was pumped with a Waterra pump with dedicated <br /> vinyl tubing or by inserting a submersible Grundfos pump into the well and <br /> lowering 1t to bottom Well water was containerized in 55-gallon, DOT <br /> approved polyethylene drums, properly labeled, and temporarily stored on-site <br /> The rate of well purging was monitored, and each well was purged of at least <br /> three 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 /> A stainless steel bailer belayed on a clean stainless steel line was used to <br /> collect each sample Bailer cleanliness was verified by collecting a bailer <br /> blank (pouring distilled water through the bailer and collecting it in a VOA <br /> vial) prior to collecting the analytical sample Before, and in between uses, all <br /> sampling equipment was washed using a portable steam cleaner Disposable <br /> gloves were worn by the sampling technician while collecting all samples The <br /> gloves were changed between the collection of each sample to reduce the <br /> potential for cross-contamination <br />' 2937 Veneman Ave ,#B240 Geo-Phase Environmental Inc Phone (209) 569-0293 <br /> Modesto, CA 95356 Fax(209) 569-029a <br /> 1 <br />
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