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Health hazard evaluation report: HETA-89-379-L2074 and 90-282-L2074, Stone Container Corporation, Missoula, Montana.

Authors
McCammon-C; Lee-S
Source
NIOSH 1990 Oct; :1-9
NIOSHTIC No.
00196009
Abstract
In response to a request from the Stone Container Corporation located in Missoula, Montana, an investigation was made of possible hazardous working conditions at that site. The facility produced paper products for use in cardboard containers. Workers were experiencing headaches and light headedness when they were inside the color removal unit. The unit clarified up to 10 million gallons per day of wastewater before it was discharged into an adjacent river. Thickened sludge was burned in the recovery boilers as a supplemental fuel. The major exposures were to hydrogen-sulfide (7783064) (H2S). Dust exposures were below any occupational health evaluation criteria. The authors recommend that outside air in the color removal unit should be kept to a maximum, whenever weather permits, to prevent the accumulation of H2S. A confined entry procedure should be used when the tanks are drained and workers are entering them for repair work. A stationary monitor for H2S should be considered on the catwalk adjacent to the tank which is the major source of H2S. An alternative method for cleanup in the warehouse should be considered as the use of compressed air for blowing down equipment should be discontinued.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-89-379; HETA-90-282-L2074; Region-8; Hazards-Confirmed; Sewage-industry; Sewage-treatment; Air-quality-monitoring; Toxic-gases; Sulfur-compounds
CAS No.
7783-06-4
Publication Date
19901001
Document Type
Hazard Evaluation and Technical Assistance; Field Studies
Fiscal Year
1991
NTIS Accession No.
PB91-146241
NTIS Price
A02
Identifying No.
HETA-90-282-L2074
NIOSH Division
DSHEFS
Source Name
National Institute for Occupational Safety and Health
State
MT; OH
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