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Search Results for the EPA National Library Catalog
Items Found: 1224
Showing: Items 551 - 600
Your Search: (SUBJECT=Algae)
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Year Published
551
Initial Submission: Letter from BASF Corp to USEPA re Results of Ecotoxicity Study in Algae with Plurafac LF 405, a Fatty Alcohol Alkoxylate, w/Attachment (MSDS) and dated 08/12/1998.
1998
552
Initial Submission: Letter from BASF Corp to USEPA Re Results of Ecotoxicity Study in Green Algae (Pseudokirchner Iella Subcapitata) of (Confidential) dated 9/21/1998 (Sanitized).
1998
553
Initial Submission: Letter from BASF Corp to USEPA Reporting Preliminary Results of Ecotoxicity Studies in Algae with Cyclohexyldimethylamine, Dated 8/23/1999.
1999
554
Initial Submission: Letter from BASF Corp to USEPA Reporting Preliminary Results of Ecotoxicity Studies in Green Algae and Daphnia Magna with (Confidential), Dated 10/9/1998 (Sanitized).
1998
555
Initial Submission: Letter from BASF Corp to USEPA Reporting Preliminary Results of Ecotoxicity Study and an Inhalation Study with Octylamine in Algae and Rats, Dated 8/23/1999.
1999
556
Initial Submission: Letter from BASF Corp to USEPA, Preliminary Results of Ecotoxicity Studies in Green Algae and Daphnia Magna with (Confidential), Dated 10/9/1998 (Sanitized).
1998
557
Initial Submission: Letter from BF Goodrich to USEPA with Unaudited Draft Reports of Environmental Effects & Fate Studies of Bicyclo(2.2.2)Hept-2-Ene, 5-Butyl-, w/Attachments & Dated 12/29/1999.
1999
558
Initial Submission: Letter from Confidential Source to USEPA Reporting Results of Two Environmental Effects of (Confidential), a Functionalized Polymethine Infra Red Absorber, dated 12/20/1999. (Sanitized).
1999
559
Initial Submission: Letter from Cytec Industries Inc. to USEPA Reporting Prelim Results of Acute Aquatic Toxicity Studies of a Comm Cationic Terpolymer Disperson, Dated 4/20/1999.
1999
560
Initial Submission: Letter from Dupont Chemical to USEPA re: Summaries of Aquatic Toxicity Studies with Vanadium Hydroxide Oxide dated 03/27/1996.
1996
561
Initial Submission: Letter from Dupont Chemical to USEPA regarding Acute Toxicity of Methacrylic Acid to Selenastrum Printz with Cover Letter and Attachments dated 09/01/1992.
1992
562
Initial Submission: Letter from NA Industries, Inc. to USEPA regarding Acute Aquatic Toxicity Tests of N-phenyl maleimide with Attachments and Cover Letter dated 07/02/1993.
1993
563
Initial Submission: Letter ROM BASF corp to USEPA Reporting Preliminary results of Ecotoxicity Studies with Sec-Butylamine in Algae, Dated 8/23/1999.
1999
564
Initial toxicological assessment of Ambush, Bolero, Bux, Dursban, Fentrifanil, Larvin and Pydrin : static acute toxicity tests with selected estuarine algae, invertebrates and fish /
1981
565
Inorganic species in water : ecological significance and analytical needs, a literature review /
1978
566
Integrated Iron and Nitrogen Control for Lake Restoration.
1979
567
Interagency Workshop on In-situ Water-Quality Sensing (2nd): Biological Sensors, Held at Pensacola Beach, Florida on April 28-30, 1980.
1980
568
Interception and Degradation of Pesticides by Aquatic Algae.
1973
569
Interim Report, Upper Klamath Lake Studies, Oregon.
1967
570
Interim report: Upper Klamath Lake studies, Oregon,
1967
571
Interlaboratory Precision Test. An Eight Laboratory Evaluation of the Provisional Algal Assay Procedure Bottle Test.
1971
572
Intermittent Sand Filtration to Upgrade Existing Wastewater Treatment Facilities.
1974
573
Interrelation of Carbon and Phosphorus in Regulating Heterotrophic and Autotrophic Populations in Aquatic Ecosystems.
1970
574
Introduction and guide to the marine bluegreen algae
1980
575
Introduction to phycology /
1987
576
Introduction to the algae : structure and reproduction /
1978
577
Introduction to the algae : structure and reproduction /
1985
578
Introductory account of the smaller algae of British coastal waters.
1959
579
Investigation of Lake Water Quality in Eastern South Dakota with Remote Sensing Techniques.
1972
580
Investigation of Phytoplankton Growth and Relationships in the Cedar River System, Iowa, July 24-28, 1961.
1961
581
Investigation of Primary Productivity Using the 14-C Method and an Analysis of Nutrients in Elephant Butte Reservoir.
1972
582
Investigation of selected potential environmental contaminants : nitroaromatics /
1976
583
Investigation of the Cause and Effect of Eutrophication in Long Lake, Washington.
1973
584
Investigation of the Chemical Identity of Soluble Organophosphorus Compounds Found in Natural Waters.
1974
585
Iron-Induced Changes in Light Harvesting and Photochemical Energy Conversion Processes in Eukaryotic Marine Algae.
1992
586
Isolation and characterization of viruses infecting blue-green algae
1972
587
Jordan River Study Utah, June - August, 1972
1973
588
Journal of applied phycology.
1989
589
Journal of phycology.
1965
590
Kepone (Trademark) Bioconcentration, Accumulation, Loss, and Transfer through Estuarine Food Chains.
1977
591
Keys to the seaweeds and seagrasses of Oregon and California, north of Point Conception /
2004
592
Keys to water quality indicative organisms (southeastern United States) /
1968
593
Keys to Water Quality Indicative Organisms. (Southeastern United States).
1968
594
Kinetics of algal systems in waste treatment : Field studies /
1971
595
Kinetics of algal systems in waste treatment Ammonia-nitrogen as a growth-limiting factor and other pertinent topics /
1970
596
Kinetics of Algal Systems in Waste Treatment. Light Intensity and Nitrogen Concentration as Growth-Limiting Factors.
1968
597
Kinetics of algal systems in waste treatment. Phoshorus as a growth-limiting factor, part I.
1970
598
Laboratory Culture of Gametophytic Stages of the Marine Microalgae 'Champia parvula' (Rhodophyta) and 'Laminaria saccharina' (Phaeophyta).
1988
599
Laboratory Rearing Experiments on Artificially Propagated Inconnu (Stenodus leucichthys).
1973
600
Laboratory Studies with Stabilization Pond Algae.
1961
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