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A Comparative Analysis of the Toxicity of Boron Compounds to Freshwater and Saltwater Species / PS. Hovatter, RH. Ross

Conference Author
Environmental Toxicology and Risk Assessment: Third Volume (3rd : 1993 : Atlanta, GA)
Physical Description
1 online resource (15 pages) : illustrations, figures, tables
Additional Creators
Hovatter, PS., Ross, RH., American Society for Testing and Materials, and ASTM International
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Summary
Inorganic borates and boric acid (boron-oxygen compounds) enter the environment as contaminants from the manufacture and industrial and household use of boron-containing compounds; from borax mining; and from coal, oil, and geothermal power generation. In general, boron compounds are more toxic to freshwater invertebrates than to freshwater fishes, with 48-hr LC50 values ranging from <52¿̐ư226 mg B/L in the water flea (Daphnia magna) and 96-hr LC50 values ranging from 332¿̐ư979 mg B/L in fathead minnows (Pimephales promelas) and mosquitofish (Gambusia affinis). Data also indicate that boron compounds are more toxic to saltwater crustaceans and fish than to freshwater species, with a 24-hr LC50 of 28.35 mg B/L in the saltwater isopod (Limnoria lignorum) and a 96-hr LC50 of 74 mg B/L in dab (Limanda limanda). A comparison of the acute toxicity of boron-oxygen compounds to adult and early developmental stages of fishes and invertebrates indicates that most species are more sensitive to sodium borates (sodium perborate > borax) than to boric acid. This increased toxicity may be attributed to a pH shift into the alkaline range, which in fish results in increased mucus formation and crippling behavior.
Dates of Publication and/or Sequential Designation
Volume 1995, Issue 1218 (January 1995)
Subject(s)
Other Subject(s)
ISBN
9780803152922 (e-ISBN)
9780803118959
0803118953
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 24.
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Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
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Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1995. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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