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dc.contributor.advisor Smith-Jackson, Tonya en_US
dc.contributor.advisor Kleiner, Brian M. en_US
dc.contributor.advisor Young, Deborah en_US
dc.contributor.author Sexton, Pauline Lethea en_US
dc.date.accessioned 2011-08-06T16:08:03Z
dc.date.available 2011-08-06T16:08:03Z
dc.date.issued 2001-05-30 en_US
dc.identifier.other etd-08202003-141528 en_US
dc.identifier.uri http://hdl.handle.net/10919/10161
dc.description.abstract Substantial efforts have been made in the study of occupational induced airway diseases. A strong link has been found between worker exposure to organic dust and resulting acute pulmonary spasms. The supporting studies behind this link are primarily in the industries of cotton, animal and swine farming; however, some studies have been related to landscaping type tasks (i.e. mowing, leaf blowing). The relationship between organic dust and pulmonary response is associated with respiratory irritants that are found in materials such as soil, grain, and compost, especially when these materials have become moist. Some of the culprits that have been identified as causative agents of respiratory spasms are endotoxin, fungal spores, and fungal mycotoxin. This study focused on the respiratory hazards in the landscaping industry. During the month of March, landscapers worked heavily with wood mulch, which contains many organic materials that potentially harbor the aforementioned irritants. This study measured the exposure levels of endotoxin and fungal spores in the landscaper workers' breathable space. While also measuring the pulmonary function of participants and evaluating disposable respirators as an intervention. Low levels of endotoxin and fungal spores were found in the breathable space of the participants during the two days of data collection. The users were not completely satisfied with the half face disposable respirator provided, and offered detailed feedback concerning the design and use of the respirator intervention. en_US
dc.format.medium ETD en_US
dc.publisher Virginia Tech en_US
dc.relation.haspart TitleandAbstract.pdf en_US
dc.relation.haspart chp4pages43to51.pdf en_US
dc.relation.haspart chp4pages32to35.pdf en_US
dc.relation.haspart Chp4pages27to28.pdf en_US
dc.relation.haspart Chp4pages29to31.pdf en_US
dc.relation.haspart chp4page36to42.pdf en_US
dc.relation.haspart Chp3Methods.pdf en_US
dc.relation.haspart CHP1and2.pdf en_US
dc.relation.haspart references.pdf en_US
dc.relation.haspart Chp5.pdf en_US
dc.relation.haspart APPENDIXEtoend.pdf en_US
dc.relation.haspart APPENDIXAtoD.pdf en_US
dc.relation.haspart ACKandTOC.pdf en_US
dc.relation.haspart Vita.pdf en_US
dc.rights The authors of the theses and dissertations are the copyright owners. Virginia Tech's Digital Library and Archives has their permission to store and provide access to these works. en_US
dc.source.uri http://scholar.lib.vt.edu/theses/available/etd-08202003-141528 en_US
dc.subject Pulmonary en_US
dc.subject Landscape en_US
dc.subject Mulch en_US
dc.subject Endotoxin en_US
dc.subject Fungal Spore en_US
dc.subject Respirator en_US
dc.type Thesis en_US
dc.contributor.department Industrial and Systems Engineering en_US
dc.description.degree MS en_US

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