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An evaluation of exposure to fungal spores and recommendations for their control in a beet sugar refinery (SENSOR), at Monitor Sugar Company, Bay City, Michigan, report no. CT-171-18.

Authors
Todd-WF; Jensen-PA; Mickelsen-RL; O'Brien-DM; Hart-M
Source
NIOSH 1992 Jun; :1-44
Link
NIOSHTIC No.
00209045
Abstract
A study was undertaken to document and evaluate effective techniques for the control of exposure to fungal spores at the Monitor Sugar Company (SIC-2063) in Bay City, Michigan. The Michigan SENSOR program reported that three workers at the company had developed asthma like symptoms and that one tested positive for allergic reactions to moldy beet sugar pulp. An in depth survey of employee exposure to microorganisms was conducted during the sugar production campaign and during the cleanup/maintenance phase. The bioaerosol evaluation included 70 personal and area samples which indicated the presence of multiple species of fungi. The pellet silo and the pellet loading operations were areas of high exposure to airborne microorganisms. Pellet loaders had the highest average personal exposure to fungal spores, 30,000 colony forming units/cubic meter (CFU/m3). The lowest average exposure was found in beet loaders 2,200CFU/m3. The spore concentration was 69,000CFU/m3 in the pellet conveyor area. The authors recommend measures to improve the storage of the pellets and reduce the growth of microorganisms, and also installation of ventilated loading spouts to contain dust generated during loading.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; CT-171-18; Region-5; Food-processing-industry; Food-processing-workers; Occupational-exposure; Control-technology; Air-contamination
Publication Date
19920601
Document Type
Control Technology; Field Studies
Fiscal Year
1992
NTIS Accession No.
PB92-231042
NTIS Price
A04
Identifying No.
CT-171-18
NIOSH Division
DPSE
Priority Area
Control Technology and Personal Protective Equipment; Research Tools and Approaches; Control-technology
SIC Code
2063
Source Name
National Institute for Occupational Safety and Health
State
MI; OH
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