Determination of site-specific effluent detection limits
A solution is proposed for the practical problems of regulatory compliance with toxic metals standards that are lower than the method detection limit. Samples of wastewater treatment plant effluent were analyzed for five different metals by four different laboratories. A two-way analysis of variance was used to estimate the standard deviation that was multiplied by the appropriate Student's t test statistic. The result is the interlaboratory method detection limit (IMDL). The IMDL was then added to the chronic permit limit to find the regulatory compliance limit. Although the values found for silver and mercury were slightly higher than the previously used method detection limit. they did not equal the estimate of practical quantitation limit as previously described in the literature.
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Document Type: Research Article
Publication date: 1996-01-01
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Water Environment Research (WER) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year. Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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