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Published on: June 11, 2014
Characterizing formaldehyde emission rates in a gross anatomy laboratory.
C B Keil1, F Akbar-Khanzadeh, K A Konecny
1Bowling Green State University, Ohio, USA.
Applied Occupational and Environmental Hygiene
|October 16, 2001
Summary
Formaldehyde evaporation in gross anatomy labs leads to high student and instructor exposure. Researchers developed a generalizable emission factor to predict formaldehyde release and inform control strategies.
Area of Science:
- Occupational Health
- Environmental Science
- Anatomical Education
Background:
- Formaldehyde evaporation from cadavers in gross anatomy labs poses significant exposure risks.
- Understanding formaldehyde generation is crucial for implementing effective control measures.
Purpose of the Study:
- To characterize formaldehyde vapor generation in a gross anatomy laboratory.
- To develop a generalizable emission factor for formaldehyde from cadavers.
Main Methods:
- Area concentrations of formaldehyde were measured using NIOSH method 3500.
- Ventilation rates were characterized.
- A mass balance model integrated concentration and ventilation data to determine emission rates.
Main Results:
- Average daily formaldehyde concentrations ranged from 0.635 to 1.82 mg/m³.
- The average formaldehyde emission rate was 148 mg/min.
- An emission factor of 3.15 mg/min per dissecting table was established.
Conclusions:
- The developed formaldehyde emission factor is a valuable tool for predicting emission rates in various laboratory settings.
- This factor can guide the development of targeted control strategies to mitigate formaldehyde exposure.
- The findings are applicable to labs using embalming fluid with approximately 10% formaldehyde.
