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Technical assistance report no. TA-79-30, John Muir Memorial Hospital, Walnut Creek, California.

Authors
Belanger PL
Source
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, TA 79-30, 1979 Aug; :1-10
Link
NIOSHTIC No.
00091517
Abstract
Personal and area environmental air samples were taken on March 6, 24, and 25, 1979 in the histology, cytology and pathology rooms at the John Muir Memorial Hospital, (SIC-8062) Walnut Creek, California. The sampling was done in response to a request from the laboratory director at the hospital for an evaluation of employee exposure to benzene (71432), xylene (1330207), and ethanol (64175). Sample results show that no benzene vapors were detected. Xylene and ethanol vapor concentrations were detected at 2.4 to 55.8 and 3.8 to 25.8 milligrams of contaminant per cubic meter of air, respectively. All concentrations were less than OSHA standards for benzene, xylene, and ethanol (30, 435, and 1,900 milligrams of contaminant per cubic meter of air, respectively). It is recommended that employees use proper equipment when handling chemicals, histology chemicals should be stored in chemical storage cabinets, and employees receive routine training in the use of toxic chemicals. It is also recommended that procedures be established for cleaning up chemical spills, chemicals such as solvents be disposed of in a special container, and when solvents are not in use they should be covered or kept under an exhaust hood. The tissue processor should either be ventilated or the mineral oil should be changed more often to eliminate rancid odors, and employees should not eat or drink in the laboratory rooms.
Keywords
NIOSH-Author; NIOSH-Technical-Assistance-Report; TA-79-30; Region-9; Hazard-Unconfirmed; Air-sampling; Occupational-exposure; Hospitals; Medical-laboratories
CAS No.
71-43-2; 1330-20-7; 64-17-5
Publication Date
19790801
Document Type
Field Studies; Technical Assistance
Fiscal Year
1979
NTIS Accession No.
PB80-149610
NTIS Price
A02
Identifying No.
TA-79-30
NIOSH Division
DSHEFS
SIC Code
8062
Source Name
National Institute for Occupational Safety and Health
State
CA; OH
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division