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  1. Reauthorization of the Toxic Substances Control Act : hearings before the Subcommittee on Toxic Substances, Research, and Development of the Committee on Environment and Public Works, United States Senate, One Hundred Third Congress, second session, May 17 and July 13, 1994.
    By: United States.
    Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1994.
    Contributed by: Boston Public Library (archive.org)
    Subjects: Chemicals  Drinking water  Environmental monitoring  Hazardous substances  Law and legislation  United States  
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  1. ALTERATION OF NITROGEN CYCLING BY AGRICULTURAL ACTIVITIES, AND ITS ENVIRONMENTAL AND HEALTH CONSEQUENCES
    By: Cleemput,Oswald van - Boeckx,Pascal
    Type: Article
    In: Gayana. Botánica
    Date: 2005-01-01
    Subjects: acidification  Drinking water  Eutrophication  greenhouse effect  nitrogen loss  Ozone  
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  2. Cyanobacterial occurrence and detection of microcystin by planar chromatography in surface water of Billings and Guarapiranga Reservoirs, SP, Brazil
    By: Carvalho,Luciana R. de - Sant'Anna,Célia L. - Gemelgo,Marcina C.P. - Azevedo,Maria Teresa de P.
    Type: Article
    In: Sociedade Botânica de São Paulo
    Date: 2007-03-01
    Publication info: Sociedade Botânica de São Paulo
    Subjects: Cyanobacteria  Drinking water  microcystins  planar chromatography  Reservoirs  
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