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Evaluation and control of worker exposure to fungi in a beet sugar refinery.

Authors
Jensen-PA; Todd-WF; Hart-ME; Mickelsen-RL; O'Brien-DM
Source
Am Ind Hyg Assoc J 1993 Dec; 54(12):742-748
NIOSHTIC No.
00218491
Abstract
Occupational exposures to airborne fungi at a sugar beet refinery were studied. Personal and area air samples collected during sugar production and cleanup phases in a sugar beet refinery in Michigan were analyzed for growth of residual colony forming units. Fungi identified in the air samples included Alternaria, Aspergillus, Beauveria, Botrytis, Cladosporium, Drechslera, Monilia, Mucorales, Penicillium, Rhizopus, and Trichoderma. The predominant genera were Penicillium, Cladosporium, Aspergillus, Monilia, Trichoderma, and Rhizopus. The most contaminated area of the facility was found to be the pellet conveyor area with a spore concentration of 69,000 colony forming units/cubic meter. The highest average personal exposures were found in those working as pellet loaders during the production phase while beet washers had the lowest average exposure in this phase. A marked increase in exposure levels was seen in the postproduction cleanup phase compared with those seen in the production phase. Descriptions of several engineering controls designed to decrease exposures at this refinery were presented.
Keywords
NIOSH-Author; Occupational-exposure; Agricultural-workers; Exposure-levels; Sugar-beets; Occupational-hazards; Health-hazards; Agricultural-industry; Air-samples
CODEN
AIHAAP
Publication Date
19931201
Document Type
Journal Article
Fiscal Year
1994
NTIS Accession No.
NTIS Price
Issue of Publication
12
ISSN
0002-8894
Source Name
American Industrial Hygiene Association Journal
State
MI
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