Purpose: To use the excursion factor for a chemical to estimate the maximum concentration permitted for a brief exposure.
Citations with documentation. 33.01.03
Sriram & Svirbely 1999
conversion
enter
gram molecular weight of substance
grams
TLV (mg per cubic meter air)
mg/(m^3 air) equals
0.05
ppm
data
enter
Are you trying to estimate the maximum concentration of a chemical to serve as a limit for a brief exposure? (Y or N)
:-):-):-)
threshold limit value (TLV) for chemical in ppm
ppm
calculate
result
data complete?
Yes
evaluation appropriate?
Yes
:-):-):-)
excursion factor
1.5
maximum concentration in ppm for brief exposure
37.5
ppm
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