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3500 - Local Oversight Program
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PR0545790
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Entry Properties
Last modified
6/15/2020 12:28:42 PM
Creation date
6/15/2020 12:21:36 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
WORK PLANS
RECORD_ID
PR0545790
PE
3528
FACILITY_ID
FA0011052
FACILITY_NAME
West Wind
STREET_NUMBER
100
Direction
S
STREET_NAME
VENTURA
STREET_TYPE
AVE
City
STOCKTON
Zip
95203-2920
APN
14505017
CURRENT_STATUS
02
SITE_LOCATION
100 S VENTURA AVE
P_LOCATION
01
P_DISTRICT
001
QC Status
Approved
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EHD - Public
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Di Salvo Tuck Lina-SIR <br /> March 9, 1995 <br /> Page-3- <br /> 3.0 FIELD PROCEDURES <br /> L <br /> Prior to beginning field work, a tailgate safety meeting was held and asite-specific health and <br /> safety plan was discussed with, and signed by all crew members. Condor proposed, in the work plan <br /> approved by SJCPHS,EHD, to install five soil probes and two optional soil probes to investigate the <br /> 1 <br /> extent of soil and groundwater contamination at the Di Salvo Truck Lines site. On January 19, 1995, <br /> a total of four soil probes (SP1 through SP4) were installed at the site. A fifth soil probe located near <br /> the center of the tank excavation was abandoned because the sidewalls of the soil probe continued to <br /> collapse as the coring tool was retracted from the probe hole. The optional soil probes were not <br /> installed at the site. The location of soil probes SPI through SP4 are shown in Figure 2, Appendix A. <br /> L <br /> L Each soil probe was installed using a Geoprobe percussion-driven, tool operated by Vironex. <br /> The total depth of the four soil probes was approximately 16 feet below ground surface (bgs). Each <br /> soil probe was installed and destroyed under the supervision of Keith Tallia (C57 License#323417). <br /> i. A Condor geologist was on site to observe the installation of, and to collect soil and groundwater <br /> samples from, each soil probe. <br /> 3.1 Sample Collection - Soil <br /> SP1 was installed using a Geoprobe 1.125 inch O.D. drive-point sampler. Soil samples were <br /> collected from SP 1 at 5, 9 and 12 feet bgs using a clean, stainless steel sampling tube fitted with four, <br /> L 1-inch diameter, clean brass sleeves. Prior to each sample collection, the sampling tube was cleaned <br /> in a solution of non-phosphate detergent and potable water then double-rinsed with potable water. <br /> 6, During sampling, the soil probe tip was retracted and the sampling tube was driven into native soil. <br /> The bottom-most tube was prepared for shipment to the laboratory and the remaining tubes were <br /> discarded. During the first attempt to collect a groundwater sample from SP1, a sufficient quantity of <br /> groundwater could not be retrieved within a reasonable period of time (approximately one hour) using <br /> the available sampling equipment for a 1.125 diameter hole. Therefore, SPI was re-installed using a <br /> L <br /> 2-inch O.D. continuous coring tool. <br /> SP2, SP3 and SP4 were continuously cored in four foot sections from the ground surface to <br /> Lthe total depth of approximately 16 feet bgs. Prior to coring, the coring tool was cleaned as described <br /> in the preceding paragraph. The coring tool was then fitted with a new, disposable polyethylene- <br /> L %�_ <br /> ✓�• CONDOR <br /> L <br />
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