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Hazard controls - control of spotting chemical hazards in commercial drycleaning.

Authors
NIOSH
Source
NIOSH 1997 Oct; :1-3
NIOSHTIC No.
00240717
Abstract
The control of hazards associated with spotting chemicals used in commercial dry cleaning was reviewed. Workers in dry cleaning shops were exposed to hazardous stain removing chemicals through skin absorption, eye contact, or vapor inhalation. Dermatitis often resulted from the chronic or acute exposure to hazardous dry cleaning chemicals. Exposure to hydrofluoric-acid (7664393) caused severe chemical burns with deep tissue destruction. Methods of controlling the hazards associated with spotting chemicals included isolation, ventilation, modified work practices, and personal protective equipment (PPE) usage. Isolating the spotting process from other workers was an effective means of exposure control, especially when used in combination with adequate ventilation. Exposures to solvents during the spotting process were reduced through local exhaust ventilation. To prevent vapors from reaching the worker's breathing zone, exhaust hoods were placed near the source of the spotting chemicals. Protective exhaust systems included a slot hood at table level or a down draft table exhausting to the outside. General ventilation consisted of both make up air supply and the exhaust system. By training spotters to properly use spotting chemicals and to recognize which stains require pretreatment, personal exposures to spotting chemicals were reduced. Such PPE as solvent resistant gloves and chemical splash goggles was required for safe chemical spotting. Chemical resistant glove materials included Viton fluoroelastomer, polyvinyl-alcohol, and unsupported nitrile. An easily accessible eye wash station was also an important safety feature in any chemical spotting area.
Keywords
Dry-cleaning-industry; Acids; Acid-mists; Dermatitis; Dermatosis; Skin-irritants; Skin-lesions; Eye-injuries; Eye-irritants; Respiratory-system-disorders; Respiratory-irritants; Pulmonary-system-disorders; Dry-cleaning-solvents; Organic-solvents; Solvent-vapors; Occupational-exposure; Skin-exposure; Control-methods; Ventilation-systems; Exhaust-ventilation; Personal-protective-equipment; Work-practices; Health-hazards; Industrial-hazards
CAS No.
7664-39-3
Publication Date
19971001
Document Type
Hazard Control; Numbered Publication
Fiscal Year
1998
NTIS Accession No.
NTIS Price
Identifying No.
(NIOSH) 97-158; HC-20
NIOSH Division
DSHEFS; EID; DPSE
Source Name
National Institute for Occupational Safety and Health
State
OH
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