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Search Results for the EPA National Library Catalog
Items Found: 4628
Showing: Items 4401 - 4450
Your Search: (SUBJECT=biological)
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Title
Year Published
4401
Ultrasound its chemical, physical, and biological effects /
1988
4402
Ultrastructure of Thyroid Gland in Rats Receiving PCBs.
1977
4403
Ultraviolet microbiological water treatment systems
1991
4404
Ultraviolet radiation and melanoma : with a special focus on assessing the risks of stratospheric ozone depletion Appendix A, Assessing the risks of stratospheric ozone depletion} /
1988
4405
Under a green sky : global warming, the mass extinctions of the past, and what they can tell us about our future /
2007
4406
Understanding bioremediation : a guidebook for citizens.
1991
4407
Understanding climate's influence on human evolution /
2010
4408
Understanding marine biodiversity : a research agenda for the nation /
1995
4409
Understanding the Dynamics of Biological Systems Lessons Learned from Integrative Systems Biology / [electronic resource] :
2011
4410
Understanding the Role of Ozone Stress in Altering Belowground Processes.
2000
4411
Understanding toxicology : a biological approach /
2017
4412
Unfinished synthesis : biological hierarchies and modern evolutionary thought /
1985
4413
United States/German Bilateral Agreement on Hazardous Waste Site Clean-up Projects.
1995
4414
Update of the U.S. Environmental Protection Agency's SITE Emerging Technology Program, 1993.
1994
4415
Upgrading primary tanks with rotating biological contractors /
1980
4416
Upgrading Textile Operations to Reduce Pollution. Volume 1. In-Plant Control of Pollution.
1974
4417
Upgrading Textile Operations to Reduce Pollution. Volume 2. Wastewater Treatment Systems.
1974
4418
Upper Gunnison River drainage
1975
4419
Upper Susquehanna Subbasin : a water quality and biological assessment /
1999
4420
Upper Susquehanna Subbasin Small Watershed Study: A Water Quality and Biological Assessment of the Watersheds Surrounding Whitney Point Lake, Broome and Cortland Counties, N.Y.
2009
4421
Upper Susquehanna Subbasin Survey: A Water Quality and Biological Assessment, June--September 2007.
2007
4422
Upper Susquehanna Subbasin Survey: Small Watershed Study. Monitoring Report No. 1A; October 1, 1999 through AUgust 31, 2000.
2001
4423
Upper Susquehanna Subbasin; A Water Quality and Biological Assessment. 1999.
1999
4424
Uptake and Depuration Studies of PCDDs and PCDFs in Freshwater Fish.
1986
4425
Uptake and utilization of amino acids during anaerobic digestion /
1965
4426
Urban Pest Management.
1980
4427
US chemical-biological defense guidebook
1997
4428
USAMRIID's medical management of biological casualties handbook
2004
4429
USAMRIID's medical management of biological casualties handbook /
2005
4430
USDA IR-4/EPA minor use biopesticide workshop : Washington, D.C. November 7-8, 1995 /
1995
4431
Use of arthropods to evaluate water quality of streams
1977
4432
Use of Artificial Wetlands to Remove Nitrogen from Wastewater.
1984
4433
Use of bioassay procedures for assessment of internal radionuclide deposition : recommendations of the National Council on Radiation Protection and Measurements.
1987
4434
Use of Biological Warfare Agents in Public Water Supplies.
1953
4435
Use of biomarkers in assessing health and environmental impacts of chemical pollutants
1993
4436
Use of Biomarkers in Quantitative Risk Assessment.
1993
4437
Use of Fungi Imperfecti in waste control.
1970
4438
Use of Hazard Models in Evaluating the Effect of Exposure Duration on the Acute Toxicity of Three Pesticides.
1990
4439
Use of immunotoxicity assays in aquatic biology research.
1999
4440
Use of Inoculation in Bioremediation.
1992
4441
Use of Phloxine B and Rose Bengal Stains to Facilitate Sorting Benthos Samples.
1966
4442
Use of Quantitative Two-Dimensional Gel Electrophoresis to Analyze Changes in Alveolar Macrophage Proteins in Humans Exposed to Ozone.
1989
4443
Use of riparian vegetated filter strips to reduce nitrate and fecal contamination in surface water
1994
4444
Use of sodium pentachlorophenate and dehydroabietic acid as reference toxicants for salmonid bioassays
1974
4445
Use of the mixed flask culture (MFC) microcosm protocol to estimate the survival and effects of microorganisms added to freshwater ecosystems /
1989
4446
Use of Water Hyacinth Aquatic Treatment Systems for Ammonia Control and Effluent Polishing.
1984
4447
User's Guide to Chesapeake Bay Program Biological and Living Resources Monitoring Data, 2000.
2000
4448
User's manual for parameter estimation for first order ultimate BOD decay, BODFO
1987
4449
Using environmental indicators for surface water quality planning and management : Region 5 pilot study.
1991
4450
Using fish tissue data to monitor remedy effectiveness {electronic resource} /
2008
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