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Evaluation Of Ambient Toxicity Tests For Detecting Groundwater Pollution Entering Streams And Rivers
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Book Synopsis Evaluation of Ambient Toxicity Tests for Detecting Groundwater Pollution Entering Streams and Rivers by :
Download or read book Evaluation of Ambient Toxicity Tests for Detecting Groundwater Pollution Entering Streams and Rivers written by and published by . This book was released on 1988 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Ambient Toxicity Tests for Detecting Groundwater Pollution Entering Streams and Rivers by : Michael J. Crossey
Download or read book Evaluation of Ambient Toxicity Tests for Detecting Groundwater Pollution Entering Streams and Rivers written by Michael J. Crossey and published by . This book was released on 1986 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Support Document for Water Quality-based Toxics Control by : United States. Environmental Protection Agency. Office of Water
Download or read book Technical Support Document for Water Quality-based Toxics Control written by United States. Environmental Protection Agency. Office of Water and published by . This book was released on 1985 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Support Document for Water Quality-based Toxics Control by :
Download or read book Technical Support Document for Water Quality-based Toxics Control written by and published by . This book was released on 1985 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applicability of Ambient Toxicity Testing to National Or Regional Water-quality Assessment by : John F. Elder
Download or read book Applicability of Ambient Toxicity Testing to National Or Regional Water-quality Assessment written by John F. Elder and published by . This book was released on 1990 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxicity Testing Strategies for Assessing Water-quality Conditions in Receiving Streams by :
Download or read book Toxicity Testing Strategies for Assessing Water-quality Conditions in Receiving Streams written by and published by . This book was released on 1994 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper explores the use of short-term, EPA-approved laboratory toxicity tests for assessing water-quality conditions in streams and rivers. Strategies for the cost-effective application of such tests for long-term monitoring objectives are considered in the context of logistic constraints and statistical design. A subtle but important difference in objectives for effluent versus ambient testing is this: in effluent testing for regulatory purposes, a key objective is to determine how toxic an effluent is; in ambient testing, the main objective usually is that of determining if the water at a site is toxic. This difference shapes the strategy for cost-effective ambient testing and determines the framework for effective statistical analysis and interpretation of ambient toxicity test results. Recommendations derived as '' lessons learned'' from large-scale ambient toxicity testing programs for receiving streams at Department of Energy (DOE) facilities include: (1) testing more frequently with one species (preferably Ceriodaphnia) generally is more effective, in terms of information gained per dollar spent, than testing less frequently with two or more species; (2) use five or more sites per test period, plus two or more reference sites, whenever possible; (3) use four to six test periods per year; and (4) use diagnostic testing to supplement the ambient-testing program. Various laboratory and in situ methods for environmental assessment are now under development, but these methods probably will not gain acceptance for use in regulatory situations for many years. Rapid growth in need for ecological risk assessments outstrips the rate at which new test procedures are approved for regulatory purposes. Thus, laboratory tests for estimating possible environmental impacts of toxic or disruptive pollutants are likely to be used more frequently, not less frequently, during the next decade.
Book Synopsis Applicability of Ambient Toxicity Testing to National Or Regional Water-quality Assessment by : John F. Elder
Download or read book Applicability of Ambient Toxicity Testing to National Or Regional Water-quality Assessment written by John F. Elder and published by . This book was released on 1990 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecological Toxicity Testing by : John Cairns, Jr.
Download or read book Ecological Toxicity Testing written by John Cairns, Jr. and published by CRC Press. This book was released on 1994-12-27 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecological Toxicity Testing provides a critical comparison of toxicity tests at different levels of biological organization from cells to landscapes. While ecological toxicity tests can be designed at any of the many levels of complexity and on spatial scales ranging from square millimeters to square kilometers, the uses to which this information can be put often differs with scale. In the past decade, tests at all levels have been refined and subjected to critical evaluations of their predictive accuracy. This text/reference includes evaluations of toxicity test systems at various scales and complexities by expert practitioners. It also offers broader analyses of the effects of scale on endpoint selection, test design and analyses, and chemical sensitivity.
Book Synopsis Toxicity Reduction and Toxicity Identification Evaluations for Effluents, Ambient Waters, and Other Aqueous Media by : Teresa Norberg-King
Download or read book Toxicity Reduction and Toxicity Identification Evaluations for Effluents, Ambient Waters, and Other Aqueous Media written by Teresa Norberg-King and published by SETAC. This book was released on 2005 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report of the Wyoming Water Research Center by : Wyoming Water Research Center
Download or read book Annual Report of the Wyoming Water Research Center written by Wyoming Water Research Center and published by . This book was released on 1981 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Generalized Methodology for Conducting Industrial Toxicity Reduction Evaluations (TREs) by : James A. Fava
Download or read book Generalized Methodology for Conducting Industrial Toxicity Reduction Evaluations (TREs) written by James A. Fava and published by . This book was released on 1989 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Small-scale Freshwater Toxicity Investigations by : Christian Blaise
Download or read book Small-scale Freshwater Toxicity Investigations written by Christian Blaise and published by Springer Science & Business Media. This book was released on 2006-01-16 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: This broad review is the first to gather comprehensive information on the complete contemporary range of toxicity testing procedures and hazard assessment procedures, which is normally scattered and difficult to find. The two-volume set provides a consistent, template-based approach, linking relevant information on background, theory and practice to each bioassay. Volume 2 examines hazard assessment schemes. Includes extensive glossary.
Book Synopsis Community Toxicity Testing by : John Cairns
Download or read book Community Toxicity Testing written by John Cairns and published by ASTM International. This book was released on 1986 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although community level toxicity testing is now being used for practical purposes, it is not the intent of this book to espouse the use of community level testing in all situations or to replace single-species tests that are the best source of information on growth, reproductive success, behavior, and a variety of other end points. On the other hand, since field validation of laboratory predictions is becoming increasingly important and since community level testing offers the possibility of validation by using more comparable or identical end points in complex natural systems, which is not possible for single-species tests, it is now worthy of attention by ASTM members.
Book Synopsis An Evaluation of the Whole Effluent Toxicity Test Method by :
Download or read book An Evaluation of the Whole Effluent Toxicity Test Method written by and published by . This book was released on 1999 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whole effluent toxicity (WET) testing has become increasingly more important to the Environmental Protection Agency (EPA) and the States in the permitting of wastewater discharges from industry and municipalities. The primary purpose of the WET test is to protect aquatic life by predicting the effect of an effluent on the receiving stream. However, there are both scientific and regulatory concerns that using WET tests to regulate industrial effluents may result in either false positives and/or false negatives. In order to realistically predict the effect of an effluent on the receiving stream, the test should be as representative as possible of the conditions in the receiving stream. Studies (Rand and Petrocelli 1985) suggested several criteria for an ideal aquatic toxicity test organism, one of which is that the organism be indigenous to, or representative of, the ecosystem receiving the effluent. The other component needed in the development of a predictive test is the use of the receiving stream water or similar synthetic water as the control and dilution water in the test method. Use of an indigenous species and receiving water in the test should help reduce the variability in the method and allow the test to predict the effect of the effluent on the receiving stream. The experience with toxicity testing at the Savannah River Site (SRS) has yielded inconclusive data because of the inconsistency and unreliability of the results. The SRS contention is that the WET method in its present form does not adequately mimic actual biological/chemical conditions of the receiving streams and is neither reasonable nor accurate. This paper discusses the rationale for such a position by SRS on toxicity testing in terms of historical permitting requirements, outfall effluent test results, standard test method evaluation, scientific review of alternate test species, and concerns over the test method expressed by other organizations. This paper presents the Savannah River Site position that the EPA test is neither reasonable nor accurate and thus cannot adequately establish the impact of NPDES outfall discharges on receiving streams.
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applicability of Ambient Toxicity Testing to National Or Regional Water-quality Assessment by : John F. Elder
Download or read book Applicability of Ambient Toxicity Testing to National Or Regional Water-quality Assessment written by John F. Elder and published by . This book was released on 1989 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 1424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
