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HHE Report No. HETA-91-0109-2426, Duracell Battery Company, Cleveland, Tennessee.

Authors
Hanley-KW; Lenhart-SW; Boudreau-AY
Source
NIOSH 1994 May:30 pages
NIOSHTIC No.
00222297
Abstract
In response to a report from an occupational physician of suspected Parkinson like neurological effects resulting from manganese (7439965) (Mn) exposure in the powder areas of the Duracell Battery Company (SIC-3692), Cleveland, Tennessee, exposures to Mn dust and the effectiveness of the respiratory protection program were evaluated. Workers were screened for symptoms related to Mn overexposure. Press operators, mechanics, material handlers and other workers were evaluated for full shift and short term personal breathing zone dust samples. Fifty four full shift time weighted average exposure concentrations of total Mn ranged from 0.1 to 5.4mg/m3. The Recommended Exposure Limit for Mn dust was 1.0mg/m3 total Mn. Area sample comparisons of total and respirable manganese revealed the mean respirable particulate manganese fraction to be 21% of the total manganese concentration. Respiratory protection was worn by workers in the powder processing and press room areas. Respirator performance was evaluated. Six of the employees from the powder processing area and press rooms, 8% of the total number, participated in private medical interviews. All denied awareness of symptoms of manganism, and none showed signs of the disease. The authors recommend measures for controlling exposure, including installing additional process enclosures and local exhaust ventilation; ventilation design improvements; increased filtration of recirculated air; elimination of dry sweeping; and medical surveillance of manganese exposed workers.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-91-0109-2426; Region-4; Hazard-Confirmed; Metal-dusts; Dust-control; Dust-exposure; Industrial-hygiene; Occupational-exposure; Nervous-system-disorders; Battery-manufacturing-industry;
CAS No.
7439-96-5;
Publication Date
19940501
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1994
NTIS Accession No.
PB95-147286
NTIS Price
A03
Identifying No.
HETA-91-0109-2426
NIOSH Division
DSHEFS;
SIC Code
3692;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-91-0109-2426, 30 pages, 33 references
State
TN; OH;
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