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Search Results for the EPA National Library Catalog
Items Found: 4628
Showing: Items 4501 - 4550
Your Search: (SUBJECT=biological)
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Title
Year Published
4501
Water Pollution Investigation: Genesee River and Rochester Area.
1975
4502
Water Quality Analyses for Lead in the Inner Harbor/Northwest Branch and Zinc in the Inner Harbor/Northwest Branch and Bear Creek Portions of Baltimore Harbor in Baltimore City and Baltimore County, Maryland.
2004
4503
Water Quality Analyses of Chromium in the Inner Harbor/Northwest Branch and Bear Creek Portions of Baltimore Harbor in Baltimore City and Baltimore County, Maryland.
2004
4504
Water Quality Analyses of Copper, Lead, Selenium, and Zinc in Zekiah Swamp, Prince George's and Charles Counties, Maryland.
2006
4505
Water Quality Analysis of Cadmium in Little Patuxent River, Anne Arundel County and Howard County, Maryland.
2009
4506
Water Quality Analysis of Cadmium in Lower North Branch Potomac River, Allegany County, Maryland.
2006
4507
Water Quality Analysis of Cadmium in Lower Susquehanna River, Cecil and Harford County, Maryland.
2009
4508
Water Quality Analysis of Cadmium, Chromium, Copper, and Lead in the Potomac River Middle Tidal, Charles County, Maryland.
2006
4509
Water Quality Analysis of Chlorpyrifos in the Patuxent River Lower and Middle Watersheds; Anne Arundel, Calvert, Charles, Prince George's, and St. Mary's Counties, Maryland.
2007
4510
Water Quality Analysis of Copper in the Potomac River Upper Tidal, Prince George's County and Charles County, Maryland.
2006
4511
Water Quality Analysis of Cyanide in Wills Creek, Allegany and Garrett Counties, Maryland.
2006
4512
Water Quality Analysis of Lead in Northeast River, Cecil County, Maryland.
2009
4513
Water Quality Analysis of Low pH for the Lower North Branch Potomac River in Allegany County, Maryland.
2005
4514
Water Quality Analysis of Low pH in Wills Creek, Allegany County, Maryland.
2005
4515
Water Quality Analysis of Metals in Upper North Branch Potomac River, Garrett County, Maryland.
2006
4516
Water Quality Analysis of Nutrients (Phosphorus) for the Potomac River Lower North Branch in Allegany County, Maryland.
2012
4517
Water Quality Analysis of Sediment for Town Creek, Allegany County, Maryland.
2006
4518
Water Quality Analysis of Sediment in Middle Patuxent River, Howard County, Maryland.
2010
4519
Water Quality Analysis of Sediment in Potomac River Lower North Branch, Allegany County, Maryland.
2012
4520
Water Quality Analysis of Sediment in the Conowingo Dam/Susquehanna River Watershed, Cecil and Harford Counties, Maryland.
2012
4521
Water Quality Analysis of Sediments for Piney Run Reservoir in Carroll County, Maryland.
2003
4522
Water Quality Analysis of Total Phosphorus for the Conowingo Dam Susquehanna River Watershed, Cecil and Harford Counties, Maryland.
2012
4523
Water Quality Analysis of Total Phosphorus for the Lower Gunpowder Falls Watershed, Baltimore County, Maryland.
2012
4524
Water Quality Analysis of Zinc and Lead in Bodkin Creek, Anne Arundel County, Maryland.
2009
4525
Water Quality Analysis of Zinc Contamination for the Jones Falls Baltimore City and Baltimore County, Maryland.
2003
4526
Water Quality Analysis of Zinc in Back River, Baltimore County and Baltimore City, Maryland.
2004
4527
Water Quality Analysis of Zinc in Middle Patuxent River, Howard County, Maryland.
2009
4528
Water Quality Analysis of Zinc in Northeast River, Cecil County, Maryland.
2005
4529
Water Quality and Aquatic Biology, East Fork Kaweah River. Mineral King Area California.
1969
4530
Water quality and biological assessment of the Chemung Subbasin /
1998
4531
Water quality and biological assessment of the Juniata Subbasin /
1997
4532
Water quality and biological assessment of the Lower Susquehanna Subbasin /
1997
4533
Water quality and biological assessment of the Middle Susquehanna Subbasin, 1993 /
1997
4534
Water quality and biological assessment of the Wiconisco Creek Watershed /
1998
4535
Water quality and biological effects of urban runoff on Coyote Creek : phase I, preliminary survey /
1980
4536
Water quality assessment : Lower Snake River Basin, Surveillance and Analysis Division.
1976
4537
Water quality conditions at the Jordan River National Fish Hatchery, Elmira, Michigan /
1969
4538
Water quality criteria and advisories, sediment criteria, and complex mixtures limits : chronological development /
1989
4539
Water quality criteria and standards newsletter.
0
4540
Water quality criteria data book. selected data from the literature through 1968 / Volume 3, Effects of chemicals on aquatic life :
1971
4541
Water Quality in Agricultural Watersheds: Impact of Riparian Vegetation during Base Flow.
1981
4542
Water quality in open pit precious metal mines : final report /
1994
4543
Water quality indicators guide : surface waters /
1996
4544
Water quality indicators guide : surface waters /
1989
4545
Water quality management directory : fy 74-75-76, designated local and state WQM agencies, principal contacts, EPA regional contacts.
1976
4546
Water Quality Predictions Based on Limnological Parameters.
1972
4547
Water quality standards : protecting human health and aquatic life.
2011
4548
Water quality standards for the 21st century : proceedings : December 10-12, 1990, Arlington, Virginia /
1991
4549
Water quality standards for the 21st century : proceedings of a conference, December 10-12, 1990, Arlington, Virginia /
1991
4550
Water quality standards for the 21st century : proceedings of the Third National Conference, Las Vegas, Nevada, August 31-September 3, 1992 /
1992
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