Search Results for the EPA National Library Catalog

Items Found: 15
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Your Search: (SUBJECT=Nitrogen ammonia)


 
 
 
Select Item Title Year Published
Activated Sludge Treatment Systems with Oxygen. 1973
Algal nutrient availability and limitation in Lake Ontario during IFYGL : Part II. Nitrogen available in Lake Ontario tributary water samples and urban runoff from Madison, Wisconsin / 1977
Alternate methods of manure handling / 1978
Effects of forest fertilization with urea on major biological components of small cascade streams, Oregon / 1979
Effluent monitoring procedures, nutrients : student reference manual / 1976
Fuel NOx Control by Catalytic Combustion. 1981
Lake Michigan intensive survey 1976-1977 / 1980
National summary of state water quality standards : Nitrogen-Ammonia/Nitrate/Nitrite / 1980
Nitrogen - Ammonia/Nitrate/Nitrite. Water Quality Standards Criteria Summaries. A Compilation of State/Federal Criteria. 1990
Nutrient Removal from Waste Water, 1970 Status. 1970
Phytoplankton Assemblages of the Nearshore Zone of Southern Lake Michigan. 1979
Tracer-test planning using the efficient hydrologic tracer-test design (EHTD) program / 1978
Utah Lake-Jordan River Basin Modeling Project. Volume I. Summary Report. 1973
Ware River Intensive Watershed Study - 1. Nonpoint Source Contributions. 1983
Water Quality Conditions in Grand Lake, Shadow Mountain Lake, Lake Granby. 1970

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