Results of a Fish Flavor Impairment Study Conducted Using Fish Taken from the Tittabawassee River, Midland County, Michigan PDF Download

Author: Michael Masterson
Publisher:
ISBN:
Category : Fish as food
Languages : en
Pages : 8

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Author: Gail E. Kantak
Publisher:
ISBN:
Category : Saginaw Basin (Mich.)
Languages : en
Pages : 136

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Author: Dean L. Shumway
Publisher:
ISBN:
Category : Biological assay
Languages : en
Pages : 96

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Author: John R. Palensky
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 94

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A laboratory investigation was performed to determine the influence of 2,4-dichlorophenol on the flavor of fish. The study was conducted at the Oak Creek Fisheries Laboratory of the Department of Fisheries and Wildlife, Oregon State University. The three experimental apparatus used in this study were designed to deliver 250 ml/min of contaminant solution to each of 14 exposure chambers. The dissolved oxygen concentration, pH, and water temperature could be controlled. At the completion of an experiment, test fish were evaluated for off-flavor by a panel of trained judges. The flavor of rainbow trout, Salmo gairdneri, was impaired by exposure to 100 ppb of 2,4-dichlorophenol for only 0.25 hr. Trout exposed to 100 ppb required more than 33.5 hr in clean water to lose the acquired off-flavor. Trout were exposed to 10 and 100 ppb of 2,4-dichlorophenol at pH levels ranging from 6 to 9. The level of flavor-impairment in fish exposed at each concentration decreased as pH increased. Dissolved oxygen concentrations between 3.9 and 10.6 mg/l and weights of fish exposed per chamber from 133 to 1418 g had no effect on the degree of flavor-impairment of trout exposed to concentrations of 2,4-dichlorophenol. Off-flavor levels obtained for trout exposed to 100 ppm of pyridine in combination with 1, 10, and 100 ppb of 2,4-dichlorophenol suggested that the two compounds were interacting and that the flavor-imparting capacity of pyridine was being masked or lessened by the presence of 2, 4-dichlorophenol. The estimated threshold concentrations of 2,4-dichlorophenol for trout exposed for 96 hr at 15 C and for largemouth bass, Micropterus salmoides, and bluegill, Lepomis macrochirus, exposed for 48 hr at 20 C were determined as 1, 4, and 14 ppb, respectively.

Author: Alastair Hay
Publisher: Springer Science & Business Media
ISBN: 1489903399
Category : Medical
Languages : en
Pages : 267

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The Chemical Scythe is the first book in a projected series to be published by Plenum Press in association with the International Disaster Institute. The aim of the series, Disaster Research in Practice, is to provide scientific and readable accounts on the most urgent areas of disaster research. It is fitting, therefore, that Dr. Hay's investigation into the nature and effects of dioxins heralds the new series. The problem of chemical hazards is one that we will have to learn to live with in future decades. Dr. Hay's book is an authoritative account of the chemistry and proven and potential effects of dioxins, and of the impli cations for safety planning. He concludes with a cautious, yet optimistic note-that indeed we can learn to live with such hazards, providing that we are prepared to understand and plan for the unexpected. The accident at Seveso in 1976 alerted the world to an imperfectly un derstood but immensely alarming environmental hazard. Public debate and argument as to the implications of dioxins and, indeed, the use of herbicides as aggressive weapons in Vietnam, rage on. And yet it is only through the painstaking research exemplified in this book that it will eventually be pos sible to promote the vital accountability on the part of industrialists and governments.

Author: L. J. Danek
Publisher:
ISBN:
Category : Fluid dynamic measurements
Languages : en
Pages : 50

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Author: New York (N.Y.). Board of Education
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 160

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Author: Leonard Augustus Jones
Publisher:
ISBN:
Category : Landlord and tenant
Languages : en
Pages : 1026

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Author: Andrew Liveris
Publisher: John Wiley & Sons
ISBN: 1118294947
Category : Business & Economics
Languages : en
Pages : 261

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The case for revolutionizing the U.S. economy, from a leading CEO America used to define itself by the things we built. We designed and produced the world's most important innovations, and in doing so, created a vibrant manufacturing sector that established the middle class. We manufactured our way to the top and became the undisputed economic leader of the world. But over the last several decades, and especially in the last ten years, the sector that was America's great pride has eroded, costing us millions of jobs and putting our long-term prosperity at risk. Now, as we struggle to recover from the worst recession in generations, our only chance to turn things around is to revive the American manufacturing sector—and to revolutionize it. In Make It in America: The Case for Reinventing the Economy, Andrew Liveris—Chairman and CEO of The Dow Chemical Company—offers a thoughtful and passionate argument that America's future economic growth and prosperity depends on the strength of its manufacturing sector. The book explains how a manufacturing sector creates economic value on a scale unmatched by any other, and how central the sector is to creating jobs both inside and outside the factory Explores how other nations are building their manufacturing sectors to stay competitive in the global economy, and describes how America has failed to keep up Provides an aggressive, practical, and comprehensive agenda that will put the U.S. back on track to lead the world It's time to stop accepting as inevitable the shuttering of factories and staggering job losses that have come to define manufacturing. It's time to acknowledge the cost of inaction. There is no better company to make the case for reviving U.S. manufacturing than The Dow Chemical Company, one of the world's largest manufacturers and most global corporations. And there's no better book to show why it needs to be done and how to do it than Make It in America.

Author: Etcyl H. Blair
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 164

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