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Search Results for the EPA National Library Catalog
Items Found: 5282
Showing: Items 4901 - 4950
Your Search: (SUBJECT=Purification)
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Title
Year Published
4901
Using DWSRF set-aside funds for operator certification.
2000
4902
Using DWSRF set-aside funds for source water protection.
2000
4903
Using DWSRF set-aside funds to assist small water systems.
2000
4904
Using oxidants to enhance filter performance
2004
4905
Using the Drinking Water State Revolving Fund for source water protection loans.
2001
4906
Utah Water Pollution Control Association
1978
4907
Utah Water Pollution Control Association Proceedings
1977
4908
Utilization of alumized red mud solids (ARMS) for phosphorus removal
1975
4909
Utilization of free and combined amino acids by activated sludge
1965
4910
Utilization of industrial wastes and waste by-products for phosphorus removal : an inventory and assessment
1973
4911
Utilization of natural ecosystems for wastewater renovation
1976
4912
Utilization of natural ecosystems for wastewater renovation /
1979
4913
Utilization of power plant waste heat for sewage sludge digestion : phase I technical feasibility /
1976
4914
Utilization of trickling filters for dual treatment of dry and wet weather flows /
1973
4915
Utilization of various treatment unit processes and treatment modification for trihalomethane control /
1980
4916
Utilization, treatment and disposal of waste on land : proceedings of a workshop held in Chicago, IL, 6-7 Dec. 1985
1986
4917
UV disinfection and disinfection by-product characteristics of unfiltered water /
2004
4918
UV disinfection at the East Bay Municipal Utility District
2006
4919
UV disinfection for large water treatment plants [electronic resource].
2007
4920
UV disinfection knowledge base /
2012
4921
UV inactivation of viruses in natural waters
2000
4922
UV-ozone water oxidation/sterilization process /
1974
4923
UV/oxidation handbook.
1994
4924
UV/ozone treatment of pesticide and groundwaters
1988
4925
Vacuum desorption concept for removing oil from water /
1973
4926
Validating disinfection in ozone contactors /
2009
4927
Value engineering for wastewater treatment works /
1984
4928
Value engineering for wastewater treatment works /
1984
4929
Vapor intrusion studies.
2009
4930
Variable declining rate filtration of secondary effluents : a thesis /
1976
4931
Variance technology findings for contaminants regulated before 1996 /
1998
4932
Variance technology findings for contaminants regulated before 1996 /
1998
4933
Variance technology findings for contaminants regulated before 1996.
1998
4934
Vegetated filter strips for agricultural runoff treatment /
1987
4935
Verification of simplified procedures for site-specific SO2 and NOx control cost estimates
1990
4936
Verification of trickling filter models using Surfpac,
1970
4937
Vermilion, Ohio
1982
4938
Vermilion, Ohio
1982
4939
Vertical flow constructed wetlands : eco-engineering systems for wastewater and sludge treatment /
2014
4940
Vinyl chloride : health advisory /
1987
4941
Viral and bacterial levels resulting from the land application of digested sludge
1973
4942
Viral and bacterial levels resulting from the land application of digested sludge /
1979
4943
Viral pollution of the environment /
1983
4944
Virginia user charge study.
1990
4945
Virion aggregation and disinfection of water by chlorine and bromine /
1982
4946
Virtual elimination of PCBs, Mercury and persistent toxics from the pulp and paper industry in the Great Lakes Basin : a role for economic instruments /by Peter A. Victor and Peter Van Den Bergh, VHB Research and Consulting, Inc.
1991
4947
VIRTUS, a model of virus transport in unsaturated soils /
1992
4948
Virus aspects of applying municipal waste to land : symposium proceedings, June 1976 /
1976
4949
Virus behavior in saturated and unsaturated subsurface media /
2002
4950
Virus concentration using diatomaceous earth filtration and bentonite : thesis /
1976
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