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SU0004151
Environmental Health - Public
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SU0004151
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Entry Properties
Last modified
10/28/2020 11:05:43 AM
Creation date
9/6/2019 9:55:46 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
RECORD_ID
SU0004151
FACILITY_NAME
QX-96-0002
STREET_NUMBER
29900
Direction
S
STREET_NAME
MACARTHUR
STREET_TYPE
DR
City
TRACY
ENTERED_DATE
5/12/2004 12:00:00 AM
SITE_LOCATION
29900 S MACARTHUR DR
RECEIVED_DATE
10/15/1996 12:00:00 AM
QC Status
Approved
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\MIGRATIONS\M\MACARTHUR\29900\QX-96-02\SU0004151\CRWQCB.PDF
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EHD - Public
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4. Preparation of this report which summarizes the results of field observations and <br /> laboratory analyses. In addition, this report will address the pertinent soil reclamation <br /> issues described in the Surface Mining and Reclamation Act (S.M.A.R.A.) of 1975. <br /> Items discussed in this report are soil types, existing soil limitations and mitigation <br /> measures, crop suitability, soil handling and replacement techniques. <br /> METHODS AND MATERIALS <br /> A backhoe was used to dig and expose subsurface soils in the selected locations. Some <br /> considerations used in selecting the backhoe study areas were site boundaries and proposed <br /> mining areas. Backhoe excavation site locations were established using visual observations of <br /> the surface soils and directed by the general soil map in the USDA Soil Conservation Service <br /> publication Soil Survey of San Joaquin County. California. The backhoe excavations were laid <br /> out in an adjusted grid pattern in order to evaluate all of the soil series mapped by the Soil <br /> Conservation Service (S.C.S.). The selected backhoe excavations were located in the field using <br /> an aerial photograph and plotted on a scaled map provided by Teichert, Inc. <br /> The excavations selected for evaluation were initially advanced down to four feet ten inches. <br /> Once the excavation activities were completed, the exposed soils were visually examined, and <br /> soil samples were recovered for chemical, organic and bulk density analyses. The excavations <br /> were then advanced down to about five or six feet. The subsoils below four feet ten inches were <br /> retrieved by the backhoe and placed on the soil surface for observation and sampling. The soil <br /> physical characteristics were recorded and additional soil samples completed,where necessary. <br /> The soil physical characteristics recorded include depth of horizon, boundary, color, texture, <br /> structure, lime presence and moist consistence (see Appendix B Glossary of Terms). Soil color <br /> was determined using the Munsell Soil Color Chart. The texture by feel method was used to <br /> evaluate soil textures in the field. A mechanical analysis was performed on some samples to <br /> "fine tune " the texture by feel method. Depth of horizon, boundary, structure and moist <br /> consistence are the result of visual observations. Lime presence was a qualitative evaluation of <br /> effervescence after 1 + 1 HCL was applied to the soil profile. <br /> The soil classification system used to describe the exposed soil profiles is listed in the U.S.D.A. <br /> Soil Conservation Service Agriculture Handbook No. 436 Soil Taxonomy. The soil profile <br /> descriptions are attached (see Appendix B). <br /> All soil samples were submitted to Dellavalle Laboratory, Inc. for soil fertility assay, organic <br /> matter or bulk density analysis. The results of analysis are attached (see Appendix C). <br /> 4 <br /> Y <br />
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