Search Results for the EPA National Library Catalog

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Health and environmental effects profile for N-ethylaniline / 1986
Health and environmental effects profile for nitrotoluenes (o-, m-, p- ) / 1986
Heavy Metal Ion Interaction and Transport With Synthetic Complexing Agents and Detergent Phosphate Substitutes in Aquatic Systems. 1972
Heavy metals, algae and microbial activities in marine systems / 2015
Historical review of water quality and climatic data from Chesapeake Bay with emphasis on effect of enrichment 1982
Holston River study / 1978
Holston River Study. Appendix E. 1978
How to identify and control water weeds and algae 1976
How to know the fresh-water algae : an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named and pictured and with numerous aids for their study / 1964
How to know the fresh-water algae; an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named pictured and with numerous aids for their study. 1954
How to know the freshwater algae / 1978
How to know the seaweeds : an illustrated manual for identifying the more common marine algae of both our Atlantic and Pacific coasts with numerous aids for their study / 1956
Hydrological simulation program - FORTRAN (HSPF) : User's manual for Release 8.0 / 1984
Identification and control of odorous algal metabolites 1996
Identification of freshwater diatoms from live material 1996
Identifying harmful marine dinoflagellates / 2002
IERL-RTP procedures manual : level 1 environmental assessment biological tests for pilot studies / 1977
Illustrated guide to the benthic marine algae of coastal North Carolina 1980
Illustrated guide to the seaweeds and sea grasses in the vicinity of Port Aransas, Texas / 1976
Illustrated guide to the seaweeds and sea grasses in the vicinity of Port Aransas, Texas / 1970
Illustrated key to the seaweeds of New England 1995
Illustrations of Fresh Water Algae Toxic to Animals. 1952
Illustrations of fresh-water algae toxic to animals / 1952
Immediate water pollution control needs GalvestonBay Area Texas [Preliminary Subject to Revision] 1967
Impact of Algal-Available Phosphorus on Lake Erie Water Quality: Mathematical Modeling. 1984
Impact of aquatic plants and their management techniques on the aquatic resources of the United States an overview. {microfrom} 1982
Impact of toxic clones of blue-green algae on water quality as related to aquatic animals : completion report 1975
Importance of Fish Diseases: An Overview. 1993
Improving Water Quality by Removal of Pesticide Pollutants with Aquatic Plants. 1973
Improving Water Quality by Removal of Pesticide Pollutants with Aquatic Plants. 1972
Improving Water Quality through the South Dakota Oakwood Lakes-Poinsett Rural Clean Water Program, Project Summary 1991
Induction of Specific Proteins in Eukaryotic Algae Grown under Iron-, Phosphorus-, or Nitrogen-Deficient Conditions. 1993
Industrial waste guide on thermal pollution. 1968
Influence of Algae on Photolysis Rates of Chemicals in Water. 1983
Influence of Herbicides Used on Horticultural Crops on Stream Ecology. 1972
Influence of Organic Decomposition on Carbon Dioxide, Hydrogen Sulfide, Dissolved Oxygen, and Algae Growth in the Dworshak Reservoir. 1973
Initial Submission: Acute Toxicity of ACL 60/NABR to Selenastrum Capricornutum (Freshwater Green Algae) with Cover Letter 08/14/1992. 1992
Initial Submission: An Assessment of the Environmental Chemistry and Aquatic Toxicology of Trialkyltin Compounds with Cover Letter dated 09/29/1992. 1992
Initial Submission: Determination of Acute Toxicity to Daphnia Magna with (Confidential), Functionalized Polymethine Infra Red Absorber, with Cover Letter dated 08/04/1999. (Sanitized). 1999
Initial Submission: Evaluation of the Toxic Effects of Cyasorb UV-3853 Light Stabilizer on the Growth of the Freshwater Alga Selenastrum Capricornutum, w/Cover Letter Dated 05/01/2000. 2000
Initial Submission: Final Report, Acute Toxicity of 5% Peracetic Acid (Vigor Ox) to Selenastrum Capricornutum Printz, with Cover Letter dated 07/01/1996. 1996
Initial Submission: Letter from Agrevo USA Co. to USEPA, Results of Stuy of Algal Growth Inhibition with an Experimental Sulfonylurea Pesticide, Dated 11/11/1998 (Sanitized). 1998
Initial Submission: Letter from Agrevo USA Co., to USEPA re: Results of 96 Hour Algae Inhibition Study with Pseudokirchnerialia Subcapitata om AEF 130060 (Confidential), dated 07/28/1998. 1998
Initial Submission: Letter from Akzo Nobel, Elf Atochem NA, and Aztec Peroxides Inc to USEPA Reporting Toxicity Studies of Peroxides, with Attachments and Dated 04/28/2000. 2000
Initial Submission: Letter from Arizona Chem Co to USEPA Reporting Results of 3 Acute Oral Toxicity Studies and 24 Ecotoxicity Studies on Var Products, w/attachments & Dated 04/14/2000. 2000
Initial Submission: Letter from Attys of Arizona Chem Co. to USEPA Regarding 17 Health and Ecotoxicity Studies of Various Chemicals, with Attachments and Dated 11/02/1999 (Sanitized). 1999
Initial Submission: Letter from BASF Corp to USEPA Re Ecotoxicity Studies in Green Algae (Pseudokirchneriella Subcapitata) and Daphnia Magna with (Confidential), dated 9/21/1998 (Sanitized). 1998
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
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
Initial Submission: Letter from BASF Corp to USEPA Reporting Preliminary Results of Ecotoxicity Studies in Algae with Cyclohexyldimethylamine, Dated 8/23/1999. 1999
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