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ARCHIVED REPORTS_XR0012829
Environmental Health - Public
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EHD Program Facility Records by Street Name
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T
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TOM PAINE
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18775
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2900 - Site Mitigation Program
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PR0004367
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ARCHIVED REPORTS_XR0012829
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Last modified
5/7/2020 4:05:18 PM
Creation date
5/7/2020 3:54:04 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0012829
RECORD_ID
PR0004367
PE
2951
FACILITY_ID
FA0004052
FACILITY_NAME
FARM UGT
STREET_NUMBER
18775
Direction
S
STREET_NAME
TOM PAINE
STREET_TYPE
RD
City
TRACY
Zip
95376
APN
21302030
CURRENT_STATUS
02
SITE_LOCATION
18775 S TOM PAINE RD
P_LOCATION
99
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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hydrated Bentonite seal which held water for 15 to 20 minutes <br /> Placed above the sand. The remaining portion of the well was <br /> filled with a concrete seal and a "stove-pipe" installed. A <br /> locking cap with lock was placed in the casing to avoid surface <br /> contamination to groundwater. <br /> For Boring MW-2 , the first 6 feet was medium brown silt both loose <br /> and dry, then brown silty clay, with gray mottling and moist with <br /> organic matter, rootlets, for the next 5 feet. From approximately <br /> 11 to 16 feet dark gray silt with fine sand, micaous, moist to wet <br /> with lenses of dark brown coarse sand. At approximately 16 feet to <br /> 20 feet, the material was similar to the prior description with <br /> locally a silty sand. A slight hydrocarbon odor was observed from <br /> approximately 10 feet to 20 feet. At approximately 20 feet the <br /> boring was terminated. Flowing sands were encountered with sand <br /> rising to sixteen feet. Redrilling using a wooden plug was <br /> completed to hold back the flowing sands. <br /> Fifteen feet of 0. 01 inch screened 2--inch--diameter, Schedule 40 PVC <br /> casing was placed at the bottom of well MW-1. The remainder of the <br /> well was constructed using regular 2-inch--diameter, Schedule 40 PVC <br /> casing. Sixteen feet of #2-16 Lonestar Sand was used for the <br /> filter pack with a one foot doubly hydrated Bentonite seal which <br /> held water for 15 to 20 minutes placed above the sand. The <br /> remaining portion of the well was filled with a concrete seal and <br /> a "stove-pipe" installed. A locking cap with lock was placed in <br /> the casing to avoid surface contamination to groundwater. <br /> • For Boring MW-3 , the first 5 feet was medium brown silty dry clay, <br /> then gray silty sand, with brow mottling, micaous and moist with <br /> organic matter, rootlets, for the next 5 feet. From approximately <br /> 10 to 15 feet gray sandy clay, moist to wet with lenses of dark <br /> brown coarse sand. At approximately 16 feet to 20 feet, the <br /> material was similar to the prior material with locally dark gray <br /> coarse grained subrounded to subangular sand. A very slight <br /> hydrocarbon odor was observed from approximately 10 feet to 20 <br /> feet. At approximately 20 feet the boring was terminated. Flowing <br /> sands were encountered with sand rising to sixteen feet. <br /> Redrilling using a wooden plug was completed to hold back the <br /> flowing sands. <br /> Fifteen feet of 0. 01 inch screened 2-inch-diameter, Schedule 40 PVC <br /> casing was placed at the bottom of well MW-1. The remainder of the <br /> well was constructed using regular 2-inch-diameter, Schedule 40 PVC <br /> casing. Sixteen feet of #2-16 Lonestar Sand was used for the <br /> filter pack with a one foot doubly hydrated Bentonite seal which <br /> held water for 15 to 20 minutes placed above the sand. The <br /> remaining portion of the well was filled with a concrete seal and <br /> a "stove-pipe" installed. A locking cap with lock was placed in <br /> the casing to avoid surface contamination to groundwater. The <br /> location of the three wells is shown in Figure 2 . <br /> 4 <br />
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