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  1. Assessment of the toxicity of arsenic, cadmium, lead and zinc in soil, plants, and livestock in the Helena Valley for East Helena site (ASARCO), East Helena, Montana.
    By: Asarco Inc. - Black & Veatch. - CH2M Hill, inc. - United States.
    Publication info: Mont.? :U.S. EPA?,1987
    Contributed by: Montana State Library (archive.org)
    Subjects: Effect of heavy metals on  Environmental aspects  Livestock  Montana  Plants  Prickly Pear Creek Valley  Soil pollution  Toxicity testing  
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  2. NTP technical report on the toxicology and carcinogenesis studies of nitrofurantoin (CAS no. 67-20-9) in F344/N rats and B6C3F mice (feed studies) / National Toxicology Program.
    By: National Toxicology Program (U.S.)
    Publication info: Research Triangle Park, NC (P.O. Box 12233, Research Triangle Park 27709) :The Program ;[1989]
    Contributed by: MBLWHOI Library, Woods Hole
    Subjects: Antibiotics  Carcinogenicity  Carcinogenicity Tests  Carcinogens  chemically induced  Neoplasms, Experimental  Nitrofurans  Nitrofurantoin  toxicity  Toxicity testing  
    BHL Collections: MBLWHOI Library, Woods Hole
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  3. Phytotoxicology survey report : UCAR Carbon Canada Incorporated, Welland, 1992 & 1993 / prepared by: William I. Gizyn.
    By: Gizyn, W. I. - Ontario.
    Publication info: [Toronto] :Standards Development Branch, Phytotoxicology Section, Ontario Ministry of Environment and Energy,1994.
    Contributed by: Ontario Ministry of the Environment (archive.org)
    Subjects: Environmental aspects  Ontario  Phytotoxins  Polycyclic aromatic hydrocarbons  Toxicity testing  UCAR Carbon Canada Incorporated  Welland  
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  4. Phytotoxicology vegetation assessment survey, Cornwall Island, Ontario, 1993.
    By: Ontario. - Emerson, R. N.
    Publication info: Toronto :Ministry of Environment and Energy,1994.
    Contributed by: Ontario Ministry of the Environment (archive.org)
    Subjects: Cornwall Island  Fluorides  Ontario  Phytotoxins  Toxicity testing  Toxicology  Vegetation surveys  
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  5. Sediment bioassay research and development / prepared for Environment Ontario by Gail Krantzberg.
    By: Krantzberg, Gail, - Ontario.
    Publication info: [Toronto, Ont.] :Environment Ontario,1990.
    Contributed by: Ontario Ministry of the Environment (archive.org)
    Subjects: Aquatic organisms  Effect of water pollution on  Pollution  Toxicity testing  Toxicology  Water  Water quality bioassay  
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