Search Results for the EPA National Library Catalog

Items Found: 814
Showing: Items 401 - 450
Your Search: (SUBJECT=Water chemistry)


 
 
 
PREV 1 ... 4 5 6 7 8 9 10 11 12 13 14 ... 17 NEXT
Select Item Title Year Published
Induced infiltration from the Rockaway River and water chemistry in a stratified-drift aquifer at Dover, New Jersey 1999
Influence of a New England Wetland on Water Quantity and Quality. 1972
Influence of Mineralogy and Microorganisms in Iron and Sulfide Concentrations in Groundwater. 1971
Influence of Vegetation and Substrate on Streamwater Chemistry in Northern Utah. 1973
Information Resource: Water Pollution Control in Water Utilities. 1973
Innovative approach to determine retardation factors of organic contaminants in groundwater systems 1991
Intensive studies of stream fish populations in Maine / 1990
Intensive Survey of the Bay Creek Watershed, July 1992. 1995
Intensive Survey of the Big Bureau Creek Watershed, 1990. 1997
Intensive Survey of the Cache River Basin, Summer 1999: Data Summary. 2002
Intensive Survey of the Henderson Creek Basin, 1994. 1996
Intensive Survey of the Mackinaw River Basin 1994. 1997
Intensive Survey of the Mississippi South Central Basin: Data Summary, Summer 1998. 2002
Intensive Survey of the Skillet Fork Basin: Data Summary, Summer 1998. 2002
Interim guidance on determination and use of water-effect ratios for metals / 1994
Interim Protocol for Measuring Microbial Transformation Rate Constants for Suspended Bacterial Populations in Aquatic Systems. 1988
Interlaboratory quality control study no. 2. Total phosphate, organic nitrogen, nitrate nitrogen and organic carbon / 1972
Interrelation of Carbon and Phosphorus in Regulating Heterotrophic and Autotrophic Populations in Aquatic Ecosystems. 1970
Interstitial water chemistry of Chesapeake Bay sediments / 1977
Interstitial water chemistry of Chesapeake Bay sediments : methods and data : 1985
Introduction to natural water chemistry 1978
Investigation of Phytoplankton Growth and Relationships in the Cedar River System, Iowa, July 24-28, 1961. 1961
Investigation of Selected Physical and Chemical Characteristics of Two Subarctic Streams. 1973
Investigation of the geology, hydrogeology, and hydrochemistry of the Lower Suwannee River Basin 1986
Ion Budgets in a Seepage Lake. 1987
Kezar Lake diagnostic feasibility study 1983
Laboratory and Instream Nitrification Rates for Selected Streams. 1987
Laboratory and Mathematical Simulation of Oxygen Balances Effected in Streams. 1971
Laboratory Ecosystems for Studying Chemical Fate: An Evaluation Using Methyl Parathion. 1982
Lake Acidification Studies: The Role of Input Uncertainty in Long-Term Predictions. 1989
Lake Erie chemical and physical characteristics data for 1965 / 1980
Lake Erie chemical and physical characteristics data for 1967. 1980
Lake Erie environmental summary, 1963-1964. 1968
Lake Erie, Ohio, Pennsylvania, New York Intake Water Quality Summary, 1971. 1972
Lake Huron Bibliography with Limited Summaries. 1981
Lake Huron chemical and physical characteristics data for 1966 / 1980
Lake Michigan studies special report. 0
Lake Michigan Water Quality Report 1992-1993. 1997
Lake Ontario environmental summary, 1965 / 1973
Lake regions of Florida / 1997
Lake Resources at Risk to Acidic Deposition in the Upper Midwest. 1986
Lake St. Clair and St. Clair and Detroit Rivers chemical and physical characteristics data for 1974 / 1980
Lake Water Quality Assessment Grant No. 2. Final Report. (Includes Lake Water Quality Assessment Program, 1992. Northeastern Illinois Lakes). 1994
Lake Water Quality Assessment Program, 1992. Northeastern Illinois Lakes. 1993
Limnological studies of Flathead Lake, Montana : a status report / 1976
Limnology of Yellowtail Reservoir and the Bighorn River. 1973
Linking Changes in Management and Riparian Physical Functionality to Water Quality and Aquatic Habitat A Case Study of Maggie Creek, NV. 2011
Linking land and water : third National Nonpoint Source Watershed Monitoring Workshop, October 2-6, 1995, Seattle, Washington : proceedings. 1995
Loads of suspended sediment and nutrients from local nonpoint sources to the tidal Potomac River and Estuary, Maryland and Virginia, 1979-81 water years / 1987
Logistics of ecological sampling on large rivers / 2001
PREV 1 ... 4 5 6 7 8 9 10 11 12 13 14 ... 17 NEXT

Save, Print or Email Selected Records