# Risk Equations and Formulas Calculator

## Toxicology and Risk Assessment

Solving for number of cancer cases in individuals not exposed to carcinogen

#### Inputs:

 number of cancer cases in individuals exposed to carcinogen (XC)
 total number of individuals not exposed to carcinogen (NN)
 standard mortality ratio or relative risk (SMR)
 total number of individuals exposed to carcinogen (NC)

#### Conversions:

 number of cancer cases in individuals exposed to carcinogen (XC)= 0 = 0
 total number of individuals not exposed to carcinogen (NN)= 0 = 0
 standard mortality ratio or relative risk (SMR)= 0 = 0
 total number of individuals exposed to carcinogen (NC)= 0 = 0

#### Solution:

 number of cancer cases in individuals not exposed to carcinogen (XN)= NOT CALCULATED

#### Other Units:

Change Equation
Select to solve for a different unknown
 probability adverse health effects number individuals in the population number

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

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

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

 carcinogenic risk chronic daily intake carcinogen slope factor

 hazard index chronic daily intake reference dose

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

fugitive dust inhalation pathway
 intake dose exposure point concentration contact rate exposure frequency exposure duration retention rate bloodstream absorption body weight 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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By Jimmy Raymond

Contact: aj@ajdesigner.com