Handbook of ECOTOXICOLOGY - Section 0 pptx

... 200 2 8: 50 AM © 200 3 by CRC Press LLC © 200 3 by CRC Press LLC Wilson 30 projected the loss of species at more than 20% of the planet’s total biodiversity in 20 years. The last chapter (45) of ... 200 207 5228 Printed in the United States of America 1 2 3 4 5 6 7 8 9 0 Printed on acid-free paper Library of Congress Cataloging-in-Publication Data Handbook of ecotoxic...

Ngày tải lên: 11/08/2014, 10:22

... Macroinvertebrates, and Amphibians EPA-6 60/ 3-7 5 -0 09 Methods for Measuring the Acute Toxicity of Effluents and Receiving Waters to Freshwater and Marine Organisms EPA/ 600 / 4-9 0/ 027F Short-Term Methods for Estimating ... Toxicity (WET) Testing ( 40 CFR Part 136) EPA/821/B -0 0 /00 4 Methods for Aquatic Toxicity Identification Evaluations: Phase I. Toxicity Characterization...

Ngày tải lên: 11/08/2014, 10:22

... 600 0 mg/kg in laboratory rats. 42 The LC 50 (estimated dietary concentration that is lethal to 50% of the exposed animals) ranged from 14 to > 500 0 µg/g in birds. 43 The 96-hour LC 50 ... caused a die-off of about 35 to 45% of the total population of 400 to 459 pelicans in the mid-1970s. 193,221 Brains of pelicans found dead in the mid-1970s contained endrin residue...

Ngày tải lên: 11/08/2014, 10:22

... vs. 19 90 Water 2 10 FW vs. 14 FW 71 Sediments 1 70, 000 FW vs. 1 40, 000 FW 71 Algae 90, 000 FW vs. 19 ,00 0 FW 71 Fishes; 5 spp.; muscle 30, 000 –1 80, 000 FW vs. 800 0– 80, 000 FW 71 Various ponds; 20 40 km ... spp. 90 Sr 1 800 –93, 600 DW 133 134+137 Cs 25, 900 –3 50, 300 DW 133 Lichens, 4 spp. 90 Sr 800 0–277, 300 DW 133 134+137 Cs 100 , 100 –1,456, 400 DW 133 Mosses, 5...

Ngày tải lên: 11/08/2014, 10:22

... found that an organic form of selenium had BCFs of 16 ,00 0 in algae, 200 ,00 0 in daphnids, and 500 0 in fish. The bioconcentration of metals varies greatly with the species of organism and the specific ... efficiency of the process is often described by the scavenging ratio, W, also known historically as the Washout Factor: Values of W for particulate species are typically a...

Ngày tải lên: 11/08/2014, 10:22

... of GTH receptors, which would likely interfere with steroidogenesis. 3 50, 352 39.3.4.5 Vinclozolin Vinclozolin ( 3-( 3,5-dichlorophenyl )-5 -ethenyl-5-methyl-2,4-oxazolidinedione) is a dicarboxi- mide ... of premetamorphic northern leopard and green frogs to environmentally relevant concen - trations of OPs (< 0. 01 ppm of basudin 500 EC and technical-grade diazinon) cau...

Ngày tải lên: 11/08/2014, 10:22

Ngày tải lên: 13/12/2013, 05:15

Ngày tải lên: 13/12/2013, 05:15

Ngày tải lên: 13/12/2013, 05:15

... 100 1 C.1 Introduction 100 1 C.2 Cash Flows and Capital Budgeting Techniques 100 2 C.3 Generalized Equation for Straight Line Depreciation 100 4 C.4 Examples 100 6 C.5 Summary 100 9 References 100 9 Appendix ... (V vs SHE) 1.6 0. 8 0 -0 .8 -1 .6 0 2 46 8 10 12 14 Fe Fe(OH) 3 Fe(OH) 2 A B Fe 2+ Hydrogen evolution is possible HFeO 2 - Figure 1.6 E-pH diagram of iron in water a...

Ngày tải lên: 22/12/2013, 23:17