REFERENCES

Blowes, D.W., and Ptacek, C.F., System for treating groundwater, U.S.
     Patents 5,362,394 (Nov. 8, 1994) and 5,514,279 (May 7, 1996). Patents
     assigned to U. of Waterloo, Ontario, Canada. Licensed for Technology
     Demonstration/Evaluation to U.S. Environmental Protection Agency for
     the Utah, Fry Canyon EPA Test site. The U.S. Geological Survey is managing 
     the EPA funded demonstration project at Fry Canyon.

Freeze, R.A., and Cherry, J.A., 1979, Groundwater,
     Englewood Cliffs, N.J.,Prentice-Hall, Inc.

Gillham, R.W., and Burris, D.R., 1992, Recent developments in permeable
     in situ treatment walls for remediation of contaminated groundwater:
     Proceedings, Subsurface Restoration Conference, June 21-24, 1992,
     Dallas, Tex.

Hem, J.D., 1989, Study and interpretation of the chemical characteristics
     of natural water: U.S. Geological Survey Water-Supply Paper 2254, 263 p.

Morrison, S.J., and Spangler, R.R., 1992, Chemical barriers for controlling
     groundwater contamination: Environmental Progress, v. 12,
     p. 175-181.

National Research Council, 1994, Alternatives for ground water cleanup,
     Washington, D.C., National Academy Press, 315 p.

Travis, C.C., and Doty, C.B., 1990, Can contaminated aquifers at
     Superfund sites be remediated?: Environmental Science and
     Technology, v. 24, p. 1464-1466.

																		
	
		

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