Aspects To Consider For Selection Of Chemical
Risk Assessment Methodology: The Case Of
Formaldehyde Occupational Exposure
Author(s)
S. Viegas & J. Prista
Abstract
There are several risk assessment methodologies available that can be applied in
contexts where occupational exposure to chemical agents occur. However, there
are some aspects that should be considered for selecting a more suitable and
accurate risk assessment methodology.
A study was carried out where two different risk assessment methodologies in
ten anatomy and pathology laboratories were applied. One of the methodologies
is propose by the Environmental Protection Agency (EPA) and the other
methodology was based on the risk assessment methodology of Queensland
University and defined by the authors to study this specific occupational setting.
The two risk assessment methodologies obtained different results.
Application of EPA methodology for risk assessment provides data that
classifies this occupational setting similar to others where occupational exposure
to formaldehyde occurs. However, differences and particular characteristics of
this occupational setting are not possible to know due to the fact of relying only
on TWA8h values. The proposal methodology ranks with high risk 30% of the
activities studied in the ten laboratories and, 70% of the laboratories had at least
one activity classified as high risk. The activities that were classified with very
high risk and high risk were macroscopic exams developed always by the
pathologist.
Keywords
risk assessment methodology, exposure assessment, occupational exposure, formaldehyde, anatomy and pathology laboratories
Related Book
Other papers in this volume
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