Search Results for the EPA National Library Catalog

Items Found: 5280
Showing: Items 51 - 100
Your Search: (SUBJECT=Purification)


 
 
 
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 106 NEXT
Select Item Title Year Published
A demonstrated approach for improving performance and reliability of biological wastewater treatment plants / 1979
A field evaluation of the UV/oxidation technology to treat contaminated groundwater / 1990
A Fine pore aeration systems. 1989
A generalized computer model for steady-state performance of the activated sludge process / 1969
A guide to pump and treat ground-water remediation technology. 1990
A guide to the selection of cost-effective wastewater treatment systems / 1975
A guide to the selection of cost-effective wastewater treatment systems / 1975
A history of land application as a treatment alternative / 1979
A kinetic approach to biological wastewater treatment design and operation / 1969
A literature search and critical analysis of biological trickling filter studies / Functional Products and Systems Department. 1971
A mathematical model of a final clarifier / 1972
A mobile drinking water treatment research facility for inorganic contaminants removal : design, construction, and operation / 1984
A new process for treating wastewater : oxygen aeration. 1973
A new process for treating wastewater: activated carbon absorption / 1972
A practical technology : rapid infiltration / a viable land treatment alternative. 1983
A preliminary feasibility study of the removal of trihalomethane precursors by direct filtration / 1979
A Preliminary Review of Carbon Adsorption Data Collected as Part of the National Water Quality Network Sampling Program / 1962
A primer on waste water treatment. 1969
A primer on waste water treatment. 1971
A primer on wastewater treatment / 1976
A rating system for evaluation of wastewater treatment plants / 1973
A reconnaissance survey for lightweight and carbon tetrachloride extractable hydrocarbons in the central and eastern basins of Lake Erie : September 1978 / 1980
A regulators' guide to the management of radioactive residuals from drinking water treatment technologies. 2005
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
A report to the Congress : activities and programs implemented under section 319 of the Clean Water Act - fiscal year 1988 / 1989
A review and needs survey of upset early warning devices / 2000
A review and needs survey of upset early warning devices : executive summary. 2000
A review of the municipal pollution abatement programs in the Great Lakes Basin : report to the Great Lakes Water Quality Board / 1983
A review of turbidity removal associated with biological treatment of paper mill wastewaters. 1974
A SASOL-type process for gasoline, methanol, SNG and low-BTU gas from coal / 1974
A selection guide for volatilization technologies for water treatment / 1988
A selection guide for volatilization technologies for water treatment / 1988
A small systems guide to the total coliform rule / 2002
A small systems guide to the total coliform rule : monitoring drinking water to protect public health. 2001
A state-of-the-art review of metal finishing waste treatment. 1970
A Strategy for virtual elimination of persistent toxic substances. 1993
A study of nitrate respiration in the activated sludge process / 1980
A study of nitrification and denitrification / 1970
A study of nitrification and denitrification, 1970
A study of nonaqueous phase liquid characterization and surfactant remediation / 1995
A Study of possible economical ways of removing radium from drinking water / 1988
A study of possible economical ways of removing radium from drinking water / 1988
A study of reverse osmosis systems and the Greenfield Iowa Plant : a thesis / 1972
A study of the effectiveness of wastewater treatment ponds in removing nutrients at Lake Berryessa / 1973
A study of the effects of impeller depth, impeller design and submerged diffusion aeration on the aeration rate : thesis / 1973
A study of the pollution and natural purification of the Illinois river ... 1927
A study of the pollution and natural purification of the Ohio River. III, Factors concerned in the phenomena of oxidation and reaeration / 1958
A study of the pollution and natural purification of the Scioto river / 1941
A study of the removal of pesticides from water / 1967
A study of the theory of rapid filtration of water through sand / 1940
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 106 NEXT

Save, Print or Email Selected Records