REFERENCES

Balbus, J., R. Parkin, and M. Embrey. 2000. Susceptibility in microbial risk assessment: Definitions and research needs. Environmental Health Perspectives 108(9):901-905.


Mershon, S. and J. Tarr. 2003. Strategies for clean air: The Pittsburgh and Allegheny County smoke control movements, 1940-1960. In Devastation and Renewal: An Environmental History of Pittsburgh and Its Region, J. Tarr (ed.). Pittsburgh, PA: University of Pittsburgh Press.


NRC (National Research Council). 2001. Classifying Drinking Water Contaminants for Regulatory Consideration. Washington, DC: National Academy Press.

NRC. 2004. Indicators for Waterborne Pathogens. Washington, DC: National Academies Press.


WSIP (Southwestern Pennsylvania Water and Sewer Infrastructure Project Steering Committee). 2002. Investing in Clean Water: A Report from the Southwestern Pennsylvania Water and Sewer Infrastructure Project Steering Committee. Pittsburgh, PA: Campaign for Clean Water.



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