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2900 - Site Mitigation Program
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PR0527790
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Last modified
2/21/2020 6:59:13 PM
Creation date
2/21/2020 4:45:42 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
COMPLIANCE INFO
RECORD_ID
PR0527790
PE
2950
FACILITY_ID
FA0018838
FACILITY_NAME
PARCEL 12 - P O S, WEST COMPLEX
STREET_NUMBER
0
STREET_NAME
HOOPER
STREET_TYPE
DR
City
STOCKTON
Zip
95203
APN
16203001
CURRENT_STATUS
02
SITE_LOCATION
HOOPER DR
P_LOCATION
01
P_DISTRICT
003
QC Status
Approved
Scanner
SJGOV\sballwahn
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EHD - Public
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W GR <br /> Southwest, ][Inc. <br /> 5.1. Health and Safety Plan <br /> A site specific Health and Safety Plan detailing known or potential hazards and emergency <br /> response procedures will be present on site and a "tailgate" safety meeting will be conducted <br /> prior to starting field activities. The plan will be maintained on-site throughout the duration of <br /> field activities. <br /> 5.2. Permitting <br /> The borings will be permitted with the SJCEHD. All proposed locations will be pre-approved by <br /> the Port's Maintenance Department and the proposed lessee,Bulk Materials. <br /> 5.3. Drill Site Clearance <br /> Prior to field operations, WGR will contact the Port Maintenance Department to determine if the <br /> Port has knowledge of any subsurface utilities present in the proposed drilling area. In addition <br /> the drilling locations will be marked in white and Underground Service Alert (USA) will be <br /> contacted to identify any potential subsurface obstructions and/or conflicts. <br /> 5.4. Soil Sampling and Analysis <br /> The soil borings will be advanced using direct push technology. The outer barrel for advancing <br /> the direct push soil borings will be approximately 2 inches in diameter, and the inner barrel will <br /> be approximately 1.75 inches in diameter. The dual-wall system minimizes sloughing,maintains <br /> boring alignment and minimizes vertical migration of contaminated soils or fluids. A closed <br /> barrel sampler will be advanced to the sampling depth, and the piston unlocked. The sampler, <br /> containing an acetate sample sleeve, will be driven to force soil into the sampler, and then the <br /> sampler will be removed and the sample sleeve extracted. The portion of the sleeve with the <br /> sampling depth interval will be immediately sealed with Teflon® film and polyethylene caps. <br /> All soil samples will be labeled with all pertinent sampling information, and packed on ice for <br /> subsequent delivery to a California state-certified laboratory for analyses. The soil in the <br /> remaining tubes will be described and logged by the field geologist in accordance with the <br /> Unified Soil Classification System (USCS). Sampling equipment will be decontaminated <br /> between sampling episodes using a triple rinse method consisting of a wash with Alconox (or <br /> equivalent) solution, an initial rinse with tap water, and a final rinse with deionized water. <br /> 5.5. Groundwater Sampling <br /> One groundwater grab sample will be collected from each boring. A well screen housed within a <br /> protective sheath will be attached to an expendable drive point, drive rod and drive head. Rubber <br /> O-rings will keep the device water tight. Once the sampling depth is reached, the protective <br /> 792. PRI.01 Page 4 February 28, 2008 <br />
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