... 3 68 A PRACTICAL GUIDE TO ENVIRONMENTAL RISK ASSESSMENT REPORTS Fetter, C.W., Applied Hydrogeology , Macmillan, New York, 1994.Freeze, R.A. and Cherry, J.A., Groundwater , Prentice-Hall, ... credible risk assess-ments where groundwater is a potential exposure pathway. Groundwater modelingis employed during the risk assessment process in the hazard evaluation and exposure assessment ... 366 Wednesday, December 27, 2000 2:54 PM© 2001 by CRC Press LLC 3 58 A PRACTICAL GUIDE TO ENVIRONMENTAL RISK ASSESSMENT REPORTS pathways (so that exposure potential can be evaluated). Groundwater...