The Resource An investigation of contaminant metal distribution and mineral speciation in the soil near the Buick Recycling Division smelter, Iron County, Missouri, by Krista Nicole Rybacki

An investigation of contaminant metal distribution and mineral speciation in the soil near the Buick Recycling Division smelter, Iron County, Missouri, by Krista Nicole Rybacki

Label
An investigation of contaminant metal distribution and mineral speciation in the soil near the Buick Recycling Division smelter, Iron County, Missouri
Title
An investigation of contaminant metal distribution and mineral speciation in the soil near the Buick Recycling Division smelter, Iron County, Missouri
Statement of responsibility
by Krista Nicole Rybacki
Creator
Author
Subject
Language
eng
Summary
"Trace metal contamination studies were conducted near the Buick Resource Recycling Division. This study used sequential extraction, total digestion, X-Ray Diffraction (XRD), and Scanning Electron Microscopy-Energy Dispersive Spectroscopy (SEM-EDS) to study trace metals in two soil cores. Sequential extraction analysis of the soil cores revealed that lead was associated with either iron or manganese oxides. Zinc and copper were bound to soil components, extracted mainly from organics, sulfides, and clays. Total digestion results compared favorably to the sum of the sequential extraction results for lead, thus validating the sequential extraction methodology. The highest concentration observed for lead was 4,743 parts per million (ppm) in the Oh soil horizon in the core located 0.72 km NW from the smelter. Most trace metals were concentrated in the top few inches of each core, a finding consistent with previous studies. However, nickel and copper concentrations increased from 9 to 16 inches of depth in one core. Antimony and cadmium were present in small amounts (<20 ppm) in the upper portion of the soil cores. Iron concentrations increased with depth in both cores. Samples were analyzed for mineral species and pH. SEM-EDS analysis revealed lead-bearing particles with a subhedral, platy habit, and a composition suggesting the presence of cerussite (PbCO3). XRD results suggest that the majority of the clay-sized fraction of the soil is comprised of both kaolinite and illite. Smectite was present in small amounts and may influence metal immobilization. Soil acidity increased with depth, which is consistent with previous studies. The data from this study can be added to previous studies conducted in the area to provide nearly a 40 year record"--Abstract, page iii
Member of
Cataloging source
UMR
http://library.link/vocab/creatorName
Rybacki, Krista Nicole
Degree
M.S.
Dissertation year
2014.
Granting institution
Missouri University of Science and Technology
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
  • theses
http://library.link/vocab/subjectName
  • Soils
  • Soils
  • Metals
  • Soil remediation
Label
An investigation of contaminant metal distribution and mineral speciation in the soil near the Buick Recycling Division smelter, Iron County, Missouri, by Krista Nicole Rybacki
Instantiates
Publication
Note
Vita
Bibliography note
Includes bibliographic references (pages 121-124)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent.
Control code
882483771
Extent
1 online resource (x, 125 pages)
Form of item
online
Governing access note
These materials are protected under copyright by the original author
Media category
computer
Media MARC source
rdamedia.
Media type code
  • c
Other physical details
color illustrations.
Specific material designation
remote
System control number
(OCoLC)882483771
Label
An investigation of contaminant metal distribution and mineral speciation in the soil near the Buick Recycling Division smelter, Iron County, Missouri, by Krista Nicole Rybacki
Publication
Note
Vita
Bibliography note
Includes bibliographic references (pages 121-124)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent.
Control code
882483771
Extent
1 online resource (x, 125 pages)
Form of item
online
Governing access note
These materials are protected under copyright by the original author
Media category
computer
Media MARC source
rdamedia.
Media type code
  • c
Other physical details
color illustrations.
Specific material designation
remote
System control number
(OCoLC)882483771

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