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Search Results for the EPA National Library Catalog
Items Found: 5280
Showing: Items 51 - 100
Your Search: (SUBJECT=Purification)
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Title
Year Published
51
A demonstrated approach for improving performance and reliability of biological wastewater treatment plants /
1979
52
A field evaluation of the UV/oxidation technology to treat contaminated groundwater /
1990
53
A Fine pore aeration systems.
1989
54
A generalized computer model for steady-state performance of the activated sludge process /
1969
55
A guide to pump and treat ground-water remediation technology.
1990
56
A guide to the selection of cost-effective wastewater treatment systems /
1975
57
A guide to the selection of cost-effective wastewater treatment systems /
1975
58
A history of land application as a treatment alternative /
1979
59
A kinetic approach to biological wastewater treatment design and operation /
1969
60
A literature search and critical analysis of biological trickling filter studies / Functional Products and Systems Department.
1971
61
A mathematical model of a final clarifier /
1972
62
A mobile drinking water treatment research facility for inorganic contaminants removal : design, construction, and operation /
1984
63
A new process for treating wastewater : oxygen aeration.
1973
64
A new process for treating wastewater: activated carbon absorption /
1972
65
A practical technology : rapid infiltration / a viable land treatment alternative.
1983
66
A preliminary feasibility study of the removal of trihalomethane precursors by direct filtration /
1979
67
A Preliminary Review of Carbon Adsorption Data Collected as Part of the National Water Quality Network Sampling Program /
1962
68
A primer on waste water treatment.
1969
69
A primer on waste water treatment.
1971
70
A primer on wastewater treatment /
1976
71
A rating system for evaluation of wastewater treatment plants /
1973
72
A reconnaissance survey for lightweight and carbon tetrachloride extractable hydrocarbons in the central and eastern basins of Lake Erie : September 1978 /
1980
73
A regulators' guide to the management of radioactive residuals from drinking water treatment technologies.
2005
74
A report of Committee of the Great Lakes-Upper Mississippi River Board of State Sanitary Engineers on policies for the review and approval of plans and specifications for public water supplies. States represented: New York, Pennsylvania, Ohio, Michigan, Indiana, Illinois, Wisconsin, Minnesota, Iowa, Missouri. January, 1953.
1962
75
A report to the Congress : activities and programs implemented under section 319 of the Clean Water Act - fiscal year 1988 /
1989
76
A review and needs survey of upset early warning devices /
2000
77
A review and needs survey of upset early warning devices : executive summary.
2000
78
A review of the municipal pollution abatement programs in the Great Lakes Basin : report to the Great Lakes Water Quality Board /
1983
79
A review of turbidity removal associated with biological treatment of paper mill wastewaters.
1974
80
A SASOL-type process for gasoline, methanol, SNG and low-BTU gas from coal /
1974
81
A selection guide for volatilization technologies for water treatment /
1988
82
A selection guide for volatilization technologies for water treatment /
1988
83
A small systems guide to the total coliform rule /
2002
84
A small systems guide to the total coliform rule : monitoring drinking water to protect public health.
2001
85
A state-of-the-art review of metal finishing waste treatment.
1970
86
A Strategy for virtual elimination of persistent toxic substances.
1993
87
A study of nitrate respiration in the activated sludge process /
1980
88
A study of nitrification and denitrification /
1970
89
A study of nitrification and denitrification,
1970
90
A study of nonaqueous phase liquid characterization and surfactant remediation /
1995
91
A Study of possible economical ways of removing radium from drinking water /
1988
92
A study of possible economical ways of removing radium from drinking water /
1988
93
A study of reverse osmosis systems and the Greenfield Iowa Plant : a thesis /
1972
94
A study of the effectiveness of wastewater treatment ponds in removing nutrients at Lake Berryessa /
1973
95
A study of the effects of impeller depth, impeller design and submerged diffusion aeration on the aeration rate : thesis /
1973
96
A study of the pollution and natural purification of the Illinois river ...
1927
97
A study of the pollution and natural purification of the Ohio River. III, Factors concerned in the phenomena of oxidation and reaeration /
1958
98
A study of the pollution and natural purification of the Scioto river /
1941
99
A study of the removal of pesticides from water /
1967
100
A study of the theory of rapid filtration of water through sand /
1940
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