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Successful reduction of silica exposures at a sanitary ware pottery.

Authors
Cooper-TC; Gressel-MG; Froehlich-PA; Caplan-PE; Mickelsen-RL; Valiante-D; Bost-P
Source
Am Ind Hyg Assoc J 1993 Oct; 54(10):600-606
NIOSHTIC No.
00217125
Abstract
A study was conducted on the levels of exposure of workers at a sanitary ware pottery factory to silica (14808607) dust and the effectiveness of subsequently implemented protective measures. Area and personal samples for respirable dust were collected at a sanitary ware pottery factory before and after the implementation of recommended protective measures. The range of geometric means of respirable crystalline silica in personal samples was 130 to 220 micrograms/cubic meter with the highest level seen in glaze sprayers. The range in area samples was between 73 and 250 micrograms/cubic meter, with the highest level seen in the slip house department. All of the personal samples exceeded the NIOSH Recommended Exposure Level of 50 micrograms/cubic meter as a time weighted average as did all of the samples from the slip house and glaze preparation areas, 88% of the samples from casting areas, and 66% of samples from glaze spraying areas. Following the installation of control measures such as automation and enclosure, the use of alternative materials, and improved housekeeping and exhaust ventilation, dramatic reductions in the level of exposure to crystalline silica were seen in all personal and area samples with the exception of personal samples from workers in the glaze preparation department. A detailed description of the controls implemented was presented.
Keywords
NIOSH-Author; Occupational-exposure; Exposure-levels; Silica-dusts; Factory-workers; Respirable-dust; Control-technology; Dust-control; Pottery-industry
CODEN
AIHAAP
CAS No.
14808-60-7
Publication Date
19931001
Document Type
Journal Article
Funding Type
Cooperative Agreement
Fiscal Year
1994
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-U60-OH-008338; Cooperative-Agreement-Number-U60-CCU-208160
Issue of Publication
10
ISSN
0002-8894
NIOSH Division
DPSE
Priority Area
Control-technology
Source Name
American Industrial Hygiene Association Journal
State
NJ; OH
Performing Organization
New Jersey Department of Health and Senior Services
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