Search Results for the EPA National Library Catalog

Items Found: 146
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Your Search: (SUBJECT=Water Phosphorus content)

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A review : phosphrous-plankton dynamics and phosphrous-cycling in aquatic systems / 1987
A study of precision and accuracy of laboratories and methods of analysis of ammonia nitrogen in Lake Michigan waters / 1967
A study of trends in total phosphorus measurements at NASQAN stations / 1982
Advanced wastewater treatment to achieve low concentration of phosphorus {electronic resource}. 2007
Agricultural NPS control of phosphorus in the New York State, Lake Ontario basin. 1991
Alternative management options for the control of diffuse phosphorus loads to Lake Erie / 1982
An urgent call to action : report of the State - EPA Nutrient Innovations Task Group / 2009
Analysis of bottom sediment to estimate nonpoint-source phosphorus loads for 1981-96 in Hillsdale Lake, northeast Kansas 1997
Analysis of phosphorus loads : (IJC - task force) / 1975
Application of phosphorus loading models to river-run lakes and other incompletely mixed systems 1980
Application of the phosphorus loading concept to the Great Lakes / 1979
Applying phosphorus loading models to embayments / 1978
Assessment of annual total phosphorus tributary loading estimates : application to the Saginaw River / 1986
Assessment of phosphorus in Conodoguinet Creek, Cumberland County, Pennsylvania 1988
Availability of pollutants associated with suspended or settled river sediments which gain access to the Great Lakes / 1979
Bioavailability of phosphorus inputs to lakes : significance to management / 1981
Biological availability of phosphorus : report to the Great Lakes Science Advisory Board / 1981
Biological availability of sediment phosphorus inputs to the lower Great Lakes / 1985
Biological availability of sediment phosphorus inputs to the lower Great Lakes / 1984
Biological availability of sediment phosphorus to microorganisms 1975
Biological availability of total phosphorus / 1979
Budget model accounting for the positional availability of phosphorus in lakes 1980
Chemical investigation of phosphorus removal in lakes by aluminum hydroxide 1977
Chesapeake Bay total maximum daily load for nitrogen, phosphorus and sediment. 2010
Combined sewer overflow loadings inventory for Great Lakes basin / 1983
Comparisons of models predicting ambient lake phosphorus concentrations / 1979
Contribution of phosphorus from agricultural land to streams by surface runoff / 1978
Contribution of phosphorus to the Great Lakes from agricultural land in the Canadian Great Lakes Basin : phosphorus integration report / 1978
Controls on phosphorous mobility in the Potomac River near the Blue Plains Wastewater Treatment Plant 1984
Cost effectiveness of treatment to meet phosphorus objectives in the Great Lakes 1981
Current practices in phosphorus analysis and removal 1972
Design manual : phosphorus removal. 1987
Determination of atmospheric phosphorus addition to Lake Michigan / 1980
Determination of phosphate, nitrate and alkyl benzene sulfonates (ABS) in water with the auto analyzer / 1964
Distribution and biotic effects of nutrients in Flathead Lake, Montana / 1975
Distribution and variability of nitrogen and phosphorus in the alluvial, High Plains, Rush Springs, and Blaine aquifers in western Oklahoma 1994
Early advice on an ensemble modeling approach for developing Lake Erie phosphorus objectives / 2015
Effects of anaerobic conditions on availability of particulate phosphorus from tributaries to Lake Erie / 1982
Eighteenmile Creek watershed : the location of sources of pollution / 2010
Estimation of nonpoint-source loadings of phosphorus for lakes in the Puget Sound region, Washington / 1983
Estimation of total nitrogen and phosphorus in New England streams using spatially referenced regression models / 2004
Factors affecting phosphorus transport at a conventionally-farmed site in Lancaster County, Pennsylvania, 1992-95 1996
Fifth year review of Canada-United States Great Lakes water quality agreement / 1978
Flow phase distribution of nitrogen and phosphorus in the Potomac River system 1986
General information on phosphorus removal / 1972
Great Lakes phosphorus loading study 1981
Great Lakes total phosphorus budget for the mid-1970's / 1979
Groupe de travail international de la baie Missisquoi : rapport final pršenté áa la Commission mixte internationale. 2004
Historical perspective of phosphorus loading to the Cannonsville Reservoir as it relates to the West Branch Delaware River Model Implementation Program 1980
Impact of phosphorus reduction via metalimnetic alum injection in Bullhead Lake, Wisconsin 1985
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