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ARCHIVED REPORTS_1989
Environmental Health - Public
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4400 - Solid Waste Program
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PR0440058
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ARCHIVED REPORTS_1989
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Last modified
7/17/2020 3:52:44 PM
Creation date
7/3/2020 11:00:53 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
4400 - Solid Waste Program
File Section
ARCHIVED REPORTS
FileName_PostFix
1989
RECORD_ID
PR0440058
PE
4433
FACILITY_ID
FA0004518
FACILITY_NAME
NORTH COUNTY LANDFILL
STREET_NUMBER
17720
Direction
E
STREET_NAME
HARNEY
STREET_TYPE
LN
City
LODI
Zip
95240
APN
06512004
CURRENT_STATUS
01
SITE_LOCATION
17720 E HARNEY LN
P_LOCATION
99
P_DISTRICT
004
QC Status
Approved
Scanner
SJGOV\rtan
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FilePath
\MIGRATIONS\SW\SW_4433_PR0440058_17720 E HARNEY_1989.tif
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EHD - Public
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drilled with continuous -flight, hollow -stem auger equipment to depths <br />of 50-1/2 and 40-1/2 feet, respectively. Disturbed and undisturbed <br />soil samples were collected from these borings and permeability test <br />wells (permeameters) were installed in each. <br />Boring P-1, located in the northern portion of the site, penetrated <br />interlayered silts, clays, silty sands, and clayey sands to a depth of <br />25 feet. Below 25 feet, the boring encountered poorly to well -graded, <br />dense clean sands. Such a thick deposit of clean sand is atypical for <br />the site and was not discovered in any other borings on site. <br />Boring P-2, located in the southern section of the site, penetrated <br />interlayered silts and sandy silts, as well as very dense sands and <br />silty sands to the entire depth. Thicknesses of layers ranged from <br />1-1/2 to 5 feet. Boring P-3 was drilled to explore intermediate <br />depths and encountered primarily fine-grained soil to its total depth <br />of 89 feet. <br />Deep Barings G-1, and G-2, and G-3 were drilled to obtain samples of <br />ground water beneath the proposed landfill site and to characterize <br />the intervening materials. Boring G-1 was drilled with air -rotary <br />drilling equipment and extended to a total depth of 166-1/2 feet, <br />encountering ground water at a depth of approximately 150 feet. <br />Intervening deposits consisted of heterogenous interlaying silt, clay, <br />and sand. Finer -grained deposits predominated (see Drawing 2). <br />Boring G-2 was drilled with mud -rotary rather than air -rotary drilling <br />equipment due to borehole stability problems. The boring extended to <br />a total depth of 156-1/2 feet, encountering ground water at a depth of <br />approximately 148 feet. The boring encountered primarily fine-grained <br />soil in the upper 40 feet, sandy soils below 80 feet, and predominant- <br />ly sandy clays and silty sands, with several gravelly layers, below <br />101 feet (see Drawing 2 and Appendix A). <br />PJ9 9390206.00D 7 <br />
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