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Industrial hygiene walk-through report of Cyprus Industrial Minerals Company, Bay Street Mill, Los Angeles, California, Report No. IWS-036-23.

Authors
Ludwig-HR; Sandusky-TE
Source
NIOSH 1976 Jul; :1-9
Link
NIOSHTIC No.
00193572
Abstract
A walk through survey was conducted at the Cyprus Industrial Minerals Company, Los Angeles, California as part of a study to characterize talc (14807966) used in the United States. Cyprus Mines acquired its present site in 1964. The mill has been in operation since 1919 and graded different blends and grades of talc for use in paints and tile. Nine employees work at the site during two or three shifts per day. Stockpiled talc was fed into the crusher where it was conveyed by elevator to a bin, and then dropped through a Raymond Roller mill before being bagged. If a finer product was required, the talc was also passed through a Raymond Vertical mill before bagging. The employees were potentially exposed to noise and excessive dust. The personnel records at this site included social security numbers, work histories and the lost time accident data back to at least 1964. The authors suggest that an audiometric hearing program should be instituted to determine the effectiveness of the current hearing protection program, and that dust levels in the air be reduced by increasing the exhaust ventilation around the packing machines.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; Region-9; IWS-036-23; Noise-exposure; Dust-control; Mineral-dusts; Mining-industry; Milling-industry
CAS No.
14807-96-6
Publication Date
19760722
Document Type
Industry Wide; Field Studies
Fiscal Year
1976
NTIS Accession No.
PB90-180746
NTIS Price
A02
Identifying No.
IWS-036-23
NIOSH Division
DSHEFS
Source Name
Division of Surveillance, Hazard Evaluation and Field Studies, NIOSH, Cincinnati, Ohio, Report No. IWS-036-23
State
CA; OH
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