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Search Results for the EPA National Library Catalog
Items Found: 5282
Showing: Items 501 - 550
Your Search: (SUBJECT=Purification)
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Title
Year Published
501
Assessment of metals in Massachusetts municipal wastewater treatment facilities
1988
502
Assessment of microbial and disinfection byproduct research needs : final report /
2002
503
Assessment of mutagenic potential of mixtures of organic substances in renovated water /
1981
504
Assessment of near-stream ground water-surface water interaction (GSI) of a degraded stream before restoration /
2008
505
Assessment of NOx flue gas treatment technology /
1980
506
Assessment of on-site graywater and combined wastewater treatment and recycling systems /
1992
507
Assessment of organic emission factors /
1978
508
Assessment of particle control technology for enclosed asbestos sources : phase II /
1976
509
Assessment of polyelectrolytes for phosphorus removal /
1976
510
Assessment of potable water membrane applications and research needs
1989
511
Assessment of reconstruction costs and debt management for wastewater utilities affected by Hurricane Katrina
2006
512
Assessment of single-stage trickling filter nitrification /
1991
513
Assessment of single-stage trickling filter nitrification /
1991
514
Assessment of technology for control of toxic effluents from the electric utility industry /
1978
515
Assessment of the electrochemical reduction of the perchlorate ion
2001
516
Assessment of the need for NOx flue gas treatment technology /
1978
517
Assessment of the nitrifying ability of activated sludge 1980 (tentative methods)
1983
518
Assessment of the use of fugitive emission control devices /
1979
519
Assessment of three technologies for the treatment of cooling tower blowdown /
1979
520
Assessment of vortex solids separators for the control and treatment of wet-weather flow.
1996
521
Assessment of wastewater management, treatment technology, and associated costs for abatement of PCBs concentrations in industrial effluents : task II for Environmental Protection Agency, Office of Toxic Substances /
1976
522
Association of Metropolitan Sewerage Agencies silver discharges survey : final report /
1993
523
At a Glance : More action is needed to protect water resources from unmonitored hazardous chemicals.
2014
524
At a Glance : the State of Colorado Did Not Fully Assure That Funds Intended to Treat Mining Wastes and Remove Contaminants from Water Were Effectively Spent.
2013
525
Atrazine : health advisory /
1987
526
Atrazine : health advisory /
1988
527
Audiovisual instructional units for water pollution control training programs /
1974
528
Autoheated, aerobic thermophilic digestion with air aeration /
1982
529
Automated measurement of aqueous ozone concentration
1993
530
Automated water monitoring instrument for phosphorus contents /
1973
531
Availability and suitability of municipal wastewater information for use in a national water-quality assessment : a case study of the upper Illinois River basin in Illinois, Indiana, and Wisconsin /
1990
532
Availability of external review draft health advisories for 50 National Pesticide Survey analytes /
1987
533
Available models for estimating emissions resulting from bioremediation : a review /
1990
534
Available models for estimating emissions resulting from bioremediation processes : a review /
1990
535
Available models for estimating emissions resulting from bioremediation processes : a review /
1990
536
AWWA small systems field guide : water and wastewater /
2014
537
AWWA standard for aluminum sulfate-- liquid, ground or lump.
1993
538
AWWA standard for ammonium sulfate.
1996
539
AWWA standard for anhydrous ammonia
2005
540
AWWA standard for calcium chloride.
1996
541
AWWA standard for calcium chloride.
1990
542
AWWA standard for carbon dioxide
1995
543
AWWA standard for carbon dioxide.
1989
544
AWWA standard for cement mortar lining of water pipelines in place: 4 in. (100 mm) and larger
2006
545
AWWA standard for disinfection of wells
1998
546
AWWA standard for disodium phosphate, anhydrous
1995
547
AWWA standard for disodium phosphate, anhydrous.
1988
548
AWWA standard for ductile-iron compact fittings for water service
2006
549
AWWA standard for ferric sulfate
2006
550
AWWA standard for ferric sulfate
1961
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