Multimedia Environmental Pollutant Assessment System (MEPAS): Exposure Pathway and Human Health Impact Assessment Models

Strenge, D.L. and P.J. Chamberlain. Multimedia Environmental Pollutant Assessment System (MEPAS): Exposure Pathway and Human Health Impact Assessment Models. 1995.  PNL-10523/UC-630, Pacific Northwest National Laboratory, Richland, Washington.

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Cover Page
Preface
Summary

1.0 Introduction

2.0 Exposure Pathway Models
    2.1 Drinking Water Ingestion
    2.2 Shower Water Dermal Contact
    2.3 Shower Water Ingestion
    2.4 Leafy Vegetable Ingestion
    2.5 Other Vegetable Ingestion
    2.6 Meat Ingestion
    2.7 Milk Ingestion
    2.8 Fin Fish Ingestion
    2.9 Shellfish Ingestion
    2.10 Swimming Water Ingestion
    2.11 Swimming Dermal Contact
    2.12 Shoreline Dermal Contact
    2.13 Shoreline Sediment Ingestion
    2.14 Soil Ingestion
    2.15 Soil Dermal Contact
    2.16 Special Food Intake
    2.17 Indoor Inhalation of Volatile Pollutants
    2.18 Air Inhalation
    2.19 Inhalation of Resuspended Soil
    2.20 Swimming External Radiation
    2.21 Boating External Radiation
    2.22 Shoreline External Radiation
    2.23 Soil External Radiation
    2.24 Air External Radiation
    2.25 Measured Direct Radiation

3.0 Human Health Impact Models
    3.1 Radiation Health Impacts
       3.1.1 Lifetime Cancer Risk: Health Effects Conversion Factors
       3.1.2 Lifetime Cancer Risk: USEPA Slope Factors
    3.2 Carcinogenic Chemical Health Impacts
    3.3 Noncarcinogenic Chemical Health Impacts
    3.4 Population Health Impacts

4.0 Nomenclature Summary

5.0 Default Parameter Values
    5.1 Chemical Database Summary
    5.2 Exposrue Pathway Paramters
    5.3 Drinking Water Ingestion
    5.4 Shower Water Dermal Contact
    5.5 Showering Inadvertent Ingestion
    5.6 Leafy Vegetables
    5.7 Other Vegetables
    5.8 Meat
    5.9 Milk
    5.10 Fin Fish
    5.11 Shellfish
    5.12 Swimming Water Ingestion
    5.13 Swimming Dermal Contact
    5.14 Shoreline Dermal Contact
    5.15 Shoreline Sediment Ingestion
    5.16 Soil Ingestion
    5.17 Soil Dermal Contact
    5.18 Special Foods
    5.19 Indoor Inhalation from Volatilization
    5.20 Air Inhalation
    5.21 Soil Resuspension Inhalation
    5.22 Swimming External
    5.23 Boating External
    5.24 Shoreline external
    5.25 Soil External
    5.26 Air External
    5.27 Direct Radiation
    5.28 Human Health Impact Parameters
    5.29 Radiation Health Impact Parameters
    5.30 Chemical Carcinogen Health Impact Parameters
    5.31 Chemical Noncarcinogen Health Impact Parameters

6.0 References

Appendix A- Equations for Summary Intake Factors (SIF)

Appendix B- Radionuclide Decay Algorithms