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The development and evaluation of removable thin film coating technology for the abatement and mitigation of hazardous particulates in an occupational setting

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TypeOfResource
Text
TitleInfo (ID = T-1); (type = uniform)
Title
The development and evaluation of removable thin film coating technology for the abatement and mitigation of hazardous particulates in an occupational setting
Identifier (type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.16731
Identifier
ETD_402
Language
LanguageTerm (authority = ISO639-2)
eng
Genre (authority = marcgt)
theses
Subject (ID = SBJ-1); (authority = RUETD)
Topic
Public Health
Subject (ID = SBJ-1); (authority = ETD-LCSH)
Topic
Coating processes
Subject (ID = SBJ-1); (authority = ETD-LCSH)
Topic
Thin films
Subject (ID = SBJ-1); (authority = ETD-LCSH)
Topic
Hazardous wastes--Management
Abstract
This dissertation evaluates a new decontamination technique for the mitigation and abatement of hazardous particulates. Currently, traditional decontamination methods, such as, the wet method and the use of vacuums and brooms are used to clean facilities and equipment. These are time consuming, resulting in prolong exposure to the contaminant and may generate airborne hazards. A new technique using removable thin film coating technology, a loosely adhered paint-like coating was tested as a viable alternative to traditional methods. Tests conducted at three different sites on different hazardous metals resulted in reducing the initial levels of the metals by 90 percent and had an average reduction of one magnitude after one application of the coating. The paired t-tests performed for each metal demonstrated that there was a statistically significant reduction in concentration after the use of the removable thin film coating: lead (p = 0.03), beryllium (p = 0.05) aluminum (p = 0.006), iron (p=0.0001), and copper (p=0.004). A Kendall Tau correlation coefficient confirmed that there was a positive correlation between the initial levels of contamination and the removal efficiency for all of the metals at each of the three sites.
Qualitative tests demonstrated that the coating reduced the amount of visible luminescent dust from various surfaces and that it worked well as a preventative method, protecting clean areas from becoming contaminated. These tests also exposed a limitation of the coating. It could not migrate into the minute scratches on the surface substrates. The use of a scanning electron microscope (SEM) and calibrated carbon dust supported the previous findings with a statistically significant (p=0.00007) removal of carbon dust from the surfaces substrates. The SEM also revealed that wherever there were large clusters of carbon dust, the coating would tear and remain on the sample surface.
To eliminate these issues two different methods were tested. First, Kevlar ??? fibers were added to improve the strength of the coating. Next, the use of an engineered textile, saturated with the coating, was tested. This appeared to eliminate the issue of removing contaminants from minute surface scratches and improved the removal process of the coating.
PhysicalDescription
Extent
x, 73 pages
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application/pdf
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Note (type = degree)
Ph.D.
Note (type = bibliography)
Includes bibliographical references.
Name (ID = NAME-1); (type = personal)
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Lumia
NamePart (type = given)
Margaret Ellen
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author
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Margaret Ellen Lumia
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Robson
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Mark
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chair
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Advisory Committee
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Mark Robson
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Gochfeld
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Michael
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internal member
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Advisory Committee
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Michael Gochfeld
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NamePart (type = family)
Zhang
NamePart (type = given)
Jim
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internal member
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Advisory Committee
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Jim Zhang
Name (ID = NAME-5); (type = personal)
NamePart (type = family)
Efthimion
NamePart (type = given)
Philip
Role
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outside member
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Advisory Committee
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Philip Efthimion
Name (ID = NAME-1); (type = corporate)
NamePart
Rutgers University
Role
RoleTerm (authority = RULIB); (type = )
degree grantor
Name (ID = NAME-2); (type = corporate)
NamePart
Graduate School - New Brunswick
Role
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school
OriginInfo
DateCreated (point = ); (qualifier = exact)
2007
DateOther (qualifier = exact); (type = degree)
2007
Location
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NjNbRU
RelatedItem (type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier (type = local)
rucore19991600001
Identifier (type = doi)
doi:10.7282/T3FQ9X1D
Genre (authority = ExL-Esploro)
ETD doctoral
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Rights

RightsDeclaration (AUTHORITY = GS); (ID = rulibRdec0006)
The author owns the copyright to this work.
Copyright
Status
Copyright protected
Availability
Status
Open
AssociatedEntity (AUTHORITY = rulib); (ID = 1)
Name
Margaret Lumia
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
RightsEvent (AUTHORITY = rulib); (ID = 1)
Type
Permission or license
Detail
Non-exclusive ETD license
AssociatedObject (AUTHORITY = rulib); (ID = 1)
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License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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