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Journal of Environmental Quality Abstract -

Fluoride Accumulation by Forage: Continuous vs. Intermittent Exposures to Hydrogen Fluoride1


This article in JEQ

  1. Vol. 2 No. 4, p. 501-503
    Received: Feb 15, 1973

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  1. D. C. MacLean and
  2. R. E. Schneider2



The pattern of fumigation with gaseous HF markedly affects the rate and amount of F accumulated by timothy (Phleum pratense L.) and red clover (Trifolium pratense L.) plants. F accumulation was greater after continuous fumigations than when the same HF dose was provided in alternate 48-hour exposures. The importance of the intermittent nature of exposures in addition to the pollutant concentration and duration of exposure in governing F accumulation suggests that pollution abatement action to protect livestock from ingested F should be based on the F content of forage rather than the concentration of airborne fluorides.

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