Paper Information

Journal:   JOURNAL OF RESEARCH IN MEDICAL SCIENCES (JRMS)   Ocrober-November 2003 , Volume 8 , Number 4; Page(s) 15 To 16.
 
Paper: 

METHODS OF LABORATORY ANIMALS" CARCASSES COLLECTION, STORAGE AND DESTRUCTION IN ISFAHAN UNIVERSITY OF MEDICAL SCIENCES

 
 
Author(s):  PARVARESH A.*, SHAMANSOURI N., ALEDADI H.
 
* Department of Environmental Health, School of Health, Isfahan Universityof Medical Sciences and Health Services, Isfahan, Iran
 
Abstract: 

Introduction: Environmental problems due to hazardous wastes production are increasing everyday. Laboratories of Isfahan University of Medical Sciences produce hazardous wastes in their daily research avtivities. These hazardous wastes are produced from laboratory animals" carcasses, which were used in educational and research activities. These carcasses are mixed with other wastes while they are contaminated with pathogenic organisms, toxic and chemical agents. These wastes can contaminate environment and threaten human s health. So, carcasses produced in laboratories should be collected and handle with a specific method in order to destruct in an incinerator.
Methods: In this study, methods of collection, storge and destruction of laboratory animals" carcasses in Isfahan university of medical Sciences were evaluated during four months. Specific questionnaires were used for data collection. The mean weight of carcasses of each labratories, produced within a week, were calculated. DRE (Destruction and Removal Efficacy) in different Temperatures in the incinerator were calculated.
Results: Mean weight of laboratory animals" carcasses produced during a week in all the laboratories were 20kg. DRE in the incinerator were 9S.39% in 750.C temperature during 1 hour, 94.20% in 850°c temperature during 30 minutes, 94.10% in 950°c temperature during 20 minutes and 94.80% in 1000°c temperature during 15 minutes.
Discussion: According to laboratory animals" carcasses contamination with pathogenic organisms, toxic and chemical agents, present methods of collection, storage and destruction aren"t standard and healthy.
Also, due to low amout of carcasses daily production, everyday destruction of these carcasses isn"t economic. As a result, carcasses produced everyday should be stored in a collecting box under zero temperature and destruct at the end of the week in the designed incinerator in 1000°c temperature .

 
Keyword(s): LABORATORY ANIMALS CARCASSES, INCINERATION, HAZARDOUS WASTE DISPOSAL
 
References: 
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