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Computer controlled ozone inhalation exposure system.

Authors
McKinney-W; Goldsmith-T; Frazer-D
Source
Biomedical Engineering: Recent Developments, J. Vossoughi, Ed., Medical and Engineering Publishers, Inc. 2002 Sep :319-320
Link
NIOSHTIC No.
20022356
Abstract
Systems used to expose laboratory animals to various gases and aerosols are an important aspect of inhalation toxicology studies. These systems are crucial in controlling the dose of toxicant the animals receive. The object of this project was to develop a computer controlled ozone inhalation exposure system for the evaluation of health risks associated with ozone. The system is capable of a wide range of exposure concentrations (0.1 to 8.0 PPM) and can be used for various exposure times (1-8 hrs). Ozone concentration steady-state error was less than one percent when closed-loop control principles were applied. Additionally, when compared with the open loop response rise time, the step response time was cut in half after closed loop control was implemented.
Keywords
Toxicology; Air-flow; Air-sampling-techniques; Laboratory-animals; Laboratory-equipment; Exposure-chambers; Exposure-methods; Inhalation-studies
CAS No.
10028-15-6
Publication Date
20020901
Document Type
Book or book chapter; Conference/Symposia Proceedings
Editors
Vossoughi-J
Fiscal Year
2002
NTIS Accession No.
NTIS Price
ISBN No.
1930636016
NIOSH Division
HELD
Source Name
Biomedical Engineering: Recent Developments
State
WV
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