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Technical Assistance Report No. TA-78-56, St. Mary's Hospital, Rhinelander, Wisconsin.

Authors
Johnson-PL
Source
NIOSH 1979 Jan:13 pages
Link
NIOSHTIC No.
00114557
Abstract
Environmental and personal air samples were analyzed and ventilation was monitored in operating rooms and central supply cleaning areas of St. Mary's Hospital in Rhinelander, Wisconsin, on September 11 to 13, 1978, to determine employee exposures to toxic concentrations of waste anesthetic gases and vapors and sterilization gases. The evaluation was requested by the management to determine the potential exposure of 28 medical and support personnel. Nitrous- oxide (10024972) was detectable only when the scavenging system was disconnected from the anesthesia circuit. Concentrations exceeded the NIOSH recommended standard of 25 parts per million (ppm) at this time. Halogenated gases were not detectable except in one enflurane (13838169) sample collected while the breathing circuit was not properly connected to the scavenging system. Ethylene-oxide (75218) was detectable only in a sample that was collected during the sterilization process while the unit was opened. Operating room ventilation exceeded NIOSH recommendations of 5 fresh air changes per hour and 25 total air changes per hour. The investigators note that the NIOSH recommended criteria for halogenated gases is 2.0ppm, and the OSHA standard for ethylene-oxide is 50ppm. They conclude that employees were not exposed to excessive concentrations of anesthetic and sterilization gases but recommend monitoring ethylene- oxide concentrations.
Keywords
NIOSH-Author; NIOSH-Technical-Assistance-Report; TA-78-56; Region-5; Hazards-Unconfirmed; Air-sampling; Health-surveys; Health-care-facilities; Anesthetics; Air-contamination;
CAS No.
10024-97-2; 13838-16-9; 75-21-8;
Publication Date
19790101
Document Type
Hazard Evaluation and Technical Assistance; Field Studies
Fiscal Year
1979
NTIS Accession No.
PB82-182601
NTIS Price
A03
Identifying No.
TA-78-56
NIOSH Division
DSHEFS;
Source Name
Hazard Evaluation and Technical Assistance Branch, NIOSH, Cincinnati, Ohio, 13 pages, 16 references
State
WI; OH;
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