Ecological Risk Assessment - Part 6 pps

... audiences. 35.1 REPORTING ECOLOGICAL RISKS The form in which ecological risks are reported is an oft-neglected aspect of the practice of ecological risk assessment. The EPA’s guidance for risk characterization ... assessment compare with past assessments. Source: Adapted from EPA (U.S.Environmental Protection Agency), Guidelines for Ecological Risk Assess- ment, EPA =63 0=R-9...

Ngày tải lên: 12/08/2014, 00:21

... Response, Catalog of Standard Toxicity Tests for Ecological Risk Assessment, EPA 540-F-9 4-0 13, US Environmental Protection Agency, Washington, DC, 1994a. ß 20 06 by Taylor & Francis Group, LLC. While ... toxicity study performed as part of the Clinch River Ecological Risk Assessment (Halbrook et al. 1999a) required more than 2000 kg of contam- inated fish to maintain 50...

Ngày tải lên: 12/08/2014, 00:21

... and diseases or treatments that involve any part of the alimentary tract. Acutely ill patients with diet-related diseases such as diabetes require assessment because an inappropriate diet may ... 290 4 26 Abbreviation: oz eq, ounce equivalent. Source: Data from United States Department of Agriculture. http://www.MyPyramid.com Chapter 070. Nutritional Requirements and Dietary Ass...

Ngày tải lên: 07/07/2014, 01:20

... 0.00–930 6 Yes 16% Benzo[a]anthracene 261 (ERL) 0.00–754 6 Yes 16% Chrysene 384 (ERL) 0.00– 263 0 6 Yes 33% Fluoranthene 60 0 (ET-M) 0.00– 561 0 6 Yes 50% Phenanthrene 240 (ET-M) 0.50–2980 6 Yes 33% Pyrene ... Exceeded Metals Arsenic 8200 (ET-M) 11–18 6 No 0% Barium NA 60 –103 6 No 0% Cadmium 1200 (ET-M) ND– <5 6 No 0% Chromium 81,000 (ET-M) 55–71 6 No 0% Mercury 150...

Ngày tải lên: 11/08/2014, 20:21

... Branch South Branch Susquehanna R. 1 2 3 4 5 6 7 8 04 81216Miles Risk Regions L 165 5_book.fm Page 121 Wednesday, September 22, 2004 10:18 AM © 2005 by CRC Press LLC 1 26 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT September ... used (Snyder et al. 19 96) , most of the sites were in Figure 6. 10 Mean scores for macroinvertebrate HBI ± 2 standard errors. Mean HBI Scores 6....

Ngày tải lên: 11/08/2014, 20:21

... States of America on acid-free paper 10 9 8 7 6 5 4 3 2 1 International Standard Book Number-10: 1-5 66 7 0 -6 3 4-3 (Hardcover) International Standard Book Number-13: 97 8-1 - 566 7 0 -6 3 4 -6 (Hardcover) This ... Cataloging-in-Publication Data Ecological risk assessment / edited by Glenn W. Suter II. 2nd ed. p. cm. Includes bibliographical references and index. ISBN 1-...

Ngày tải lên: 12/08/2014, 00:21

... an ecological risk assessment. An assessment community is a multispecies group of organisms occupying an area that has been defined as relevant to an ecological risk assessment. Although ecological ... Environmental Protection Agency, Guidelines for ecological risk assessment, EPA =63 0=R-95=002F, Washington, DC, Risk Assessment Forum, 1998. ß 20 06 by Taylor & F...

Ngày tải lên: 12/08/2014, 00:21

... which may cause risks to wide-ranging wildlife populations. 31.2 .6 DATA ADEQUACY AND UNCERTAINTIES Screening ecological risk assessments performed at the intermediate stages of a phased assessment ... when there are no significant risks due to contaminant exposures on the site, the risk assessment must address fluxes of contam- inants that may cause ecological risks off site or...

Ngày tải lên: 12/08/2014, 00:21

... A comparative screening-level ecological risk assessment for dredged material manage- ment alternatives in New York =New Jersey Harbor. Hum. Ecol. Risk Assess., 8 :60 3 62 6. Driver, C.J., Ligotke, ... assessment developed for the Great Lakes. Hum. Ecol. Risk Assess., 8: 165 5. Gray, G.M. 1994. Complete risk characterization. Risk Persp., 2:1–2. GREAT-ER Task Force (1997) GREA...

Ngày tải lên: 12/08/2014, 00:21

... applied to dioxin-like compounds. Generation of 7-ethoxyre- sorufin- o -deethylase (EROD) in rat hepatoma cell cultures has been used as a bioassay for 2,3,7,8-TCDD-equivalents (TCDD-EQs) in the ... various risk models depends on their reliability, as suggested by the weight-of-evidence analysis, and their relevance to the future conditions. 6. 9 INTERPRETATION The results of ecologica...

Ngày tải lên: 11/08/2014, 04:20