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Search Results for the EPA National Library Catalog
Items Found: 5287
Showing: Items 4551 - 4600
Your Search: (SUBJECT=Purification)
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Title
Year Published
4551
The effect of ozonation of organics in wastewater /
1981
4552
The effect of variable loading on oxygen uptake in activated sludge : a thesis /
1973
4553
The effects of acidic deposition on aquatic resources in Canada : an analysis of past, present and future effects /
1988
4554
The effects of agricultural waste water treatment on algal bioassay response /
1971
4555
The effects of hydraulic detention time on the activated sludge process : thesis /
1977
4556
The effects of intermittent chlorination on the biota of Lake Michigan /
1977
4557
The Effects of ozonation reactions in water : final report /
1979
4558
The Effects of reactions of chlorine dioxide in water : final report /
1979
4559
The electro-oxidation of ammonia in sewage to nitrogen /
1970
4560
The electro-oxidation of ammonia in sewage to nitrogen. /
1970
4561
The Energy-water nexus : implications for the great lakes /
2009
4562
The environmental impact of water chlorination : proceedings of the Conference on the Environmental Impact of Water Chlorination, Oak Ridge National Laboratory, Oak Ridge, Tennessee, October 22-24, 1975 /
1976
4563
The equilibrium arsenic capacity of activated alumina /
1984
4564
The equilibrium fluoride capacity of activated alumina /
1981
4565
The equilibrium fluoride capacity of activated alumina : determination of the effects of pH and competing ions /
1980
4566
The fate of chromium (III) in chlorinated water /
1987
4567
The fate of chromium (III) in chlorinated water : project summary /
1988
4568
The feasibility of a regional industrial wastewater treatment facility /
1980
4569
The feasibility of performing cumulative risk assessments for mixtures of disinfection by-products in drinking water /
2003
4570
The first International Conference on TiO
2
Photocatalytic Purification and Treatment of Water and Air : conference program : Radisson Hotel, London, Ontario, Canada, November 8-13, 1992.
1992
4571
The first International Conference on TiO
2
Photocatalytic Purification and Treatment of Water and Air : Radisson Hotel, London, Ontario, Canada, November 8-13, 1992.
1992
4572
The fourth international conference on advanced oxidation technologies for water and air remediation : abstracts : Radisson Twin Towers Hotel, Orlando, Florida, USA, September 23-26, 1997.
1997
4573
The global arsenic problem : challenges for safe water production /
2010
4574
The helical bend combined sewer overflow regulator /
1975
4575
The historical development of the biochemical oxygen demand test /
1962
4576
The history of drinking water treatment.
2000
4577
The Hudson riverkeepers : John Cronin, Robert F. Kennedy, Jr. and the 30-year fight to save the Hudson /
1998
4578
The impact of chemical sequencing on filtration performance /
2003
4579
The impact of oily materials on activated sludge systems /
1971
4580
The influence of plant species on treatment effectiveness in a constructed wetland for wastewater treatment /
1999
4581
The interim enhanced surface water treatment rule : what does it mean to you? /
2001
4582
The isolation and identification of electrophilic mutagens produced during chlorine disinfection /
1989
4583
The isolation and identification of electrophilic mutagens produced during cholorine disinfection /
1989
4584
The mechanism of luxury uptake of phosphate by activated sludge : dissertation /
1972
4585
The microsporidia of vertebrates /
1986
4586
The multiple barrier approach to public health protection.
2006
4587
The national environmental benefits of the Clean Water Act : progress made in the United States through the secondary treatment of municipal wastewater /
1993
4588
The occurrence of disinfection by-products (DBPs) of health concern in drinking water : results of a nationwide DBP occurrence study /
2002
4589
The occurrence of organohalides in chlorinated drinking waters /
1974
4590
The on-site operator training program : success in every region! /
1988
4591
The onsite assistance program : helping small wastewater treatment plants achieve permit compliance
1990
4592
The optimization of water treatment unit processes for the removal of trace organic compounds with an emphasis on the adsorption mechanism.
1977
4593
The origin and prevalence of typhoid fever in the District of Columbia (1908) /
1909
4594
The persistence of pesticides in impounded waters /
1969
4595
The phase II rule /
1995
4596
The precipitation of phosphates from fresh waters and waste waters /
1969
4597
The quest for pure water; the history of water purification from the earliest records to the twentieth century /
1948
4598
The reclamation of drinking water from sewage /
1975
4599
The removal and disinfection efficiency of lime softening processes for Giardia and viruses /
1994
4600
The removal and recovery of metals from sludge and sludge incinerator ash /
1976
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