Search Results for the EPA National Library Catalog

Items Found: 134

Showing: Items 1 - 50

Your Search: (SUBJECT=Tracers)


1 2 3 NEXT
Select Item Title Year Published
A Study of natural and long-term (103-104yr) elemental migration in saturated clays and sediments : part III / 1985
Across North America Tracer Experiment (ANATEX) / 1989
Across North America Tracer Experiment (ANATEX) weather maps and tracer concentrations / 1988
Across North America Tracer Experiment (ANATEX). Volume 1, Description, ground-level sampling at primary sites, and meteorology / 1989
Across North America Tracer Experiment (ANATEX). Volume III, Sampling at tower and remote sites / 1989
Advances in tracer methodology. 1963
Algal productivity of the tropical Pacific as determined by isotope tracer techniques final report / 1964
Amoco-U.S. EPA Pollution Prevention Project, Yorktown, Virginia. Air Quality Data. Volume 2. 1992
An in-situ study of the nutrition of lake zooplankton using carbon 14 and phosphorus 32, Flathead Lake, Montana : completion report / 1975
An Introduction to ground-water tracers / 1985
An Introduction to ground-water tracers / 1985
An introduction to ground-water tracers / 1986
Animal investigation program 1979 annual report : Nevada test site and vicinity / 1981
Animal investigation program 1980 annual report : Nevada test site and vicinity / 1982
Animal investigation program 1981 annual report : Nevada test site and vicinity / 1983
Animal investigation program for the Nevada test site : 1957-1981 / 1984
Area-dosage relationships and time of tracer arrival in the Green Glow Program / 1961
Atmospheric tracer workshop : held at Santa Fe, New Mexico, May 21-25, 1984 / 1984
Autoradiography for biologists, 1972
Basic principles of the tracer method : introduction to mathematical tracer kinetics / 1962
Biological transport of radiotracers 1982
Bromotrifluoromethane : information review / 1984
Carbon isotope techniques / 1991
Carbon-14 measurements and characterization of dissolved organic carbon in ground water / 1987
Characterization of colloids in groundwater 1987
Characterizing groundwater recharge : a comprehensive isotopic approach / 2003
Climate change in continental isotopic records / 1993
Comparison of chlorofluorocarbon-age dating with particle-tracking results of a regional ground-water flow model of the Portland Basin, Oregon and Washington / 1997
Compartmental modeling and tracer kinetics 1983
Data compilation Iodine-129 in Hanford groundwater / 1987
Demonstration of a long-range atmospheric tracer system using perfluorocarbons / 1981
Design of radiotracer experiments in marine biological systems. 1975
Determination of stream reaeration coefficients by use of tracers / 1989
Development of an Acetylene Monitor at the Part Per Billion Level. 1974
Development of an Adjustable Buoyancy Balloon Tracer of Atmospheric Motion. Phase 2. Development of an Operational Prototype. 1985
DRASTIC : a standardized system for evaluating groundwater pollution potential using hydrogeologic settings. 1985
Dredged sediment movement tracing in San Francisco Bay utilizing neutron activation / 1976
Dye tracing techniques used to determine ground-water flow in a carbonate aquifer system near Elizabethtown, Kentucky 1988
Elemental tracers applied to transport of aerosal from midwest to northeast {Microfiche} 1986
Environmental isotopes in hydrogeology / 1997
Estimation of recharge rates to the sand and gravel aquifer using environmental tritium, Nantucket Island, Massachusetts 1986
Evaluating Advection Schemes for Use in the Next Generation of Air Quality Modeling Systems. 1994
Evaluation of tracers for following ground water flow 1978
Feasibility for identifying mineralogical and geochemical tracers for vermiculite ore deposits / by David Frank and Lorraine Edmond, U.S. Environmental Protection Agency, Office of Environmental Assessment, Region 10. 2001
Field validation of exposure assessment models / 1984
Final report for project on "Assessment of the impact of pollutants on groundwater beneath urban areas", July 1989 to June 1991 1991
Final Report for the Effects of Wildfire Smoke on UV Ozone Instruments Regional Applied Research Effort 2007
Fluorescent tracer evaluation of protective clothing performance 1993
Fluorescent tracer evaluation of protective clothing performance / 1993
Food habits and radionuclide tissue concentrations of Nevada desert bighorn sheep 1972-1973 / 1976
1 2 3 NEXT

Save, Print or Email Selected Records