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Journal of Environmental Quality Abstract -

Frequency of MUG Negative Escherichia coli in Kentucky Groundwater Samples


This article in JEQ

  1. Vol. 23 No. 1, p. 126-129
    Received: Apr 4, 1993

    * Corresponding author(s):
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  1. Mark S. Coyne * and
  2. Jan C. Schuler
  1. Dep. of Agronomy, N-122 Agric. Sci. Bldg. North, Univ. of Kentucky, Lexington, KY 40546-0091.



MUG negative Escherichia coli are a small fraction (2.5%) of the total E. coli in Kentucky groundwater samples. It is unlikely that they alone will cause a significant potential to underestimate fecal contamination using MUG as the primary criterion for that assessment. An unresolved question is how effectively MUG-based, defined-substrate tests address false negative water samples containing MUG positive E. coli.

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