Effluent toxicity testing using nitrifiers and Microtox™
Authors: Arbuckle, W. Brian; Alleman, James E.
Source: Water Environment Research, Volume 64, Number 3, May/June 1992 , pp. 263-267(5)
Publisher: Water Environment Federation
Abstract:ABSTRACT: In an effort to develop a less expensive method of assessing wastewater toxicity, two bacterial alternatives to Ceriodaphnia were tested: the commercially available Microtox™ procedure (using Photobacterium phosphoreum) and a nitrifier respiration procedure. Forty-four biologically treated municipal wastewaters were evaluated. Neither the Microtox nor the nitrifier test is sufficiently sensitive to detect acute Ceriodaphnia toxicity when testing biologically treated municipal wastewaters. The 7-day chronic Ceriodaphnia procedure is more sensitive than the 48-hour acute Ceriodaphnia test, with 14 of the 16 wastewaters tested for chronic toxicity exhibiting toxicity using 100% wastewater.
Document Type: Research article
Publication date: 1992-05-01
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