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Trash analysis in the cotton garnetting industry: Terminal progress report for the period June 1, 1977 through May 31, 1979.

Authors
Morey-PR
Source
Texas Tech University, Lubbock, Texas 1979 Jan; :1-32
Link
NIOSHTIC No.
00091795
Abstract
The content of gross botanical trash components in garnetting raw materials and the potential for grinding these materials into 10 micron sizes during mechanical processing were studied. Gross botanical trash estimates and abrasive tests were completed, percentage weight was converted into respirable dust size (less than 10 microns in diameter), and trash, fibrous, and nonfibrous dust ingredients were determined. The author concludes that all types of garnetting dusts contained a lower percentage of respirable leaflike material particulates than similar size raw cotton dust; leaflike trash was the one component of six types of botanical trash most easily pulverized into respirable size; the content of toxic trash components in respirable garnetting and raw cotton dusts was significantly diluted by less than 10 micron cellulosic fragments of lint, linters, and polyester; and the low prevalence of byssinosis in the garnetting industry can be explained partly by the low content of leaflike trash in the linter, the reduced friability of leaflike trash in gin motes and soft cotton mill wastes, and the relatively low percentage of leaflike particulates predicted to occur in respirable garnetting dusts.
Keywords
NIOSH-Grant; Control-technology; Cotton-dust; Cotton-mill-workers; Textiles-industry; Respirable-dust; Microscopy; Textiles-processing; Textile-workers
Contact
Biological Sciences Texas Tech University Post Office Box 4149 Lubbock, Ten 79409
Publication Date
19790101
Document Type
Final Grant Report
Funding Amount
54181
Funding Type
Grant
Fiscal Year
1979
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00667
NIOSH Division
OEP
Priority Area
Control-technology
Source Name
Texas Tech University, Lubbock, Texas
State
TX
Performing Organization
Texas Tech University, Lubbock, Texas
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