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Walk-through survey report: control technology for negative pressure rooms at Community East Hospital, Indianapolis, Indiana, report no. CT-212-12a.

Authors
Hayden-CS II
Source
NIOSH 1994 Jul; :1-5
Link
NIOSHTIC No.
00221233
Abstract
A study was made to document and evaluate effective technologies for the control of potential health hazards at the Community East Hospital (SIC-8062), Indianapolis, Indiana. Specific attention was devoted to the negative pressure rooms and the risk of nosocomial transmission of tuberculosis to health care workers and patients. Several factors affected the integrity of the system in addition to ventilation flow rates. One of these was the airtightness of the isolation room as affected by opening of room doors and windows, construction joints, cracks, and the degradation of airtight seals over the passage of time. Three negative pressure rooms were examined. In one room, 100% outside air (OA) was supplied to the isolation room via two induction units. Exhaust was provided from the anteroom directly to the outdoors. A second isolation room could be used either as a positive or negative pressure room. The difference in pressure was neutral. Another room was supplied with 100% OA through a HEPA filter and reheat box. Air was exhausted directly to the outdoors through two grills. At least 6 air changes per hour were provided by two of the rooms.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; CT-212-12a; Region-5; Control-technology; Health-care-personnel; Ventilation-systems; Infection-control; Bacterial-infections
Publication Date
19940715
Document Type
Control Technology; Field Studies
Fiscal Year
1994
NTIS Accession No.
PB94-218336
NTIS Price
A01
Identifying No.
CT-212-12a
NIOSH Division
DPSE
Priority Area
Control-technology
SIC Code
8062
Source Name
Engineering Control Technology Branch, Division of Physical Sciences and Engineering, NIOSH, Cincinnati, Ohio, Report No. CT-212-12a, 5 pages, 10 references
State
IN; OH
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