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Risk Equations and Formulas Calculator

Toxicology and Risk Assessment


Solving for probability

probability


Inputs:

adverse health effects number (X)
individuals in population number (N)



Conversions:

adverse health effects number (X)
=0
=0
individuals in population number (N)
=0
=0


Solution:

probability (P)
=NOT CALCULATED 


Other Units:



Change Equation
Select an equation to solve for a different unknown

probability probability
adverse health effects number adverse health effects number
individuals in the population number individuals in the population number

standard mortality ratio or relative risk standard mortality ratio or relative risk
probability of fatal cancer cases of individuals exposed to carcinogen probability of fatal cancer cases of individuals exposed to carcinogen
probability of fatal cancer cases of individuals not exposed to carcinogen probability of fatal cancer cases of individuals not exposed to carcinogen

standard mortality ratio or relative risk standard mortality ratio or relative risk
number of cancer cases in individuals exposed to carcinogen number of cancer cases in individuals exposed to carcinogen
total number of individuals not exposed to carcinogen total number of individuals not exposed to carcinogen
number of cancer cases in individuals not exposed to carcinogen number of cancer cases in individuals not exposed to carcinogen
total number of individuals exposed to carcinogen total number of individuals exposed to carcinogen

standard mortality ratio or relative risk standard mortality ratio or relative risk
number of cancer deaths in a population exposed to carcinogen number of cancer deaths in a population from exposure to carcinogen
number of cancer deaths in a same size population not exposed to carcinogen number of cancer deaths in a same size population not exposed to carcinogen

carcinogenic risk carcinogenic risk
chronic daily intake chronic daily intake
carcinogen slope factor carcinogen slope factor

hazard index hazard index
chronic daily intake chronic daily intake
reference dose reference dose

administered dose administered dose
exposure point concentration exposure point concentration
contact rate contact rate
exposure frequency exposure frequency
exposure duration exposure duration
body weight body weight
averaging time averaging time

fugitive dust inhalation pathway
intake dose intake dose
exposure point concentration exposure point concentration
contact rate contact rate
exposure frequency exposure frequency
exposure duration exposure duration
retention rate retention rate
bloodstream absorption bloodstream absorption
body weight body weight
averaging time averaging time

References - Books:

1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. Environmental Engineering. Butterworth Heinemann. 3rd ed.
2) Michael D. LaGrega, Phillip L. Buckingham and Jeffery C. Evan. 1994. Hazardous Waste Management. McGraw Hill, Inc.

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