Organic Chemicals : An Environmental Perspective - Chapter 3 doc

... Distribution, Transport, and Mobility" Organic Chemicals : An Environmental Perspective Boca Raton: CRC Press LLC,2000 ©2000 CRC Press LLC 5. The most relevant sorbents both for the aquatic and terrestrial phases ... than 10 days for com- pounds with H values greater than ~ 10 -1 kPa·m 3 .mol -1 in lakes and greater than ~ 10 -2 kPa·m 3 ·mol -1 in rive...

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... 5-ethe- nyldihydro-5-methyl-2(3H)-furanone (Shu et al. 1997); 4. The plant metabolite cis-hex -3 - ene-1-ol that is the precursor of per- oxypropionyl nitrate (Grosjean et al. 1993b) analogous to peroxy- acetyl ... formation of 3, 3′,4,4′-tetrachloroazobenzene, 1 , 3- bis (3, 4- dichlorophenyl)triazine, and 3, 3′,4,4′-tetrachlorobiphenyl from 3, 4- dichloroaniline and nitrate by E. c...

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... metolachlor (2-chloro-N-[2-ethyl-6-methylphenyl]-N-[2-methoxy- 1-methylethyl]acetamide) is metabolized by bluegill sunfish (Lepomis macro- chirus) by reactions involving initially O-demethylation and hydroxylation (Cruz ... cancer cell line MCF-7 tran- siently cotransfected with the Gal4-human ER anf and a Gal 4- responsive luciferase reporter (17m5-G-Luc) was used to analyze activities rel...

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... enantiomeric monooxygenation of indan and dehydrogenation of indene (Gibson et al. 1995), and the stereospecific hydroxylation of (R )-1 -indanol and (S )-1 -indanol to cis-indan-1 , 3- diol and trans ... 2-, 3- , and 4-chloroanilines and 4- uoroaniline by a Moraxella sp. strain G (Zeyer et al. 1985), 3- , and 4-methylanilines by P. putida mt-2 (McClure and Venables 1986), 2-methylan...

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... Taylor & Francis Group, LLC Factors Determining the Toxicity of Organic Pollutants to Animals and Plants 31 inhibited by, planar molecules (e.g., planar PAHs and coplanar PCBs). This can be explained ... 36 Organic Pollutants: An Ecotoxicological Perspective, Second Edition 2 .3. 2 .3 Esterases and Other Hydrolases Many xenobiotics, both synthetic and naturally occuring, ... (...

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... concentration (C) as follows: f = C/Z © 2009 by Taylor & Francis Group, LLC 68 Organic Pollutants: An Ecotoxicological Perspective, Second Edition 3. 1 PROPERTIES OF CHEMICALS THAT INFLUENCE ... illustrate the dangers of hasty or supercial judgment in envi- ronmental risk assessment, and the importance of rigorous case-by-case analysis. Another factor that can inuence the envir...

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... mouse, and not in birds (Korte and Arent 1965, Walker 1980, Chipman and Walker 1979). In general, © 2009 by Taylor & Francis Group, LLC 102 Organic Pollutants: An Ecotoxicological Perspective, ... & Francis Group, LLC 132 Organic Pollutants: An Ecotoxicological Perspective, Second Edition 5.5 SUMMARY OC insecticides such as aldrin, dieldrin, heptachlor, and DDT illustrate...

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... log K ow 4,4b-DCB Coplanar 7 .32 6. 53 5 .33 2b ,3, 4-TCB Coplanar 6.88 6.52 5.78 2,2b,5,5b-TCB Nonplanar 7.60 7.06 6.18 2,2b,4,5,5b-PCB Nonplanar 8.02 7.40 6 .36 2,2b ,3, 3b,4,4b-HCB Nonplanar 9.65 8.72 ... half-lives were as follows: 2,2b ,3, 3b-TCB 0.9 days 2,2b,4,4b-TCB 9.2 days 2,2b,5,5b-TCB 3. 4 days 3, 3b,4,4b-TCB 0.9 days 3, 3b,5,5b-TCB 2.1 days In another study (Gage and Holm 1...

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... work that covers many aspects of the toxicology and ecotoxicology of the earlier pyrethroids. © 2009 by Taylor & Francis Group, LLC 232 Organic Pollutants: An Ecotoxicological Perspective, Second ... Group, LLC 238 Organic Pollutants: An Ecotoxicological Perspective, Second Edition a need here for combining ecological proling with chemical analysis, to facilitate the detect...

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... 1 4 2 3 5 6 4 1 2 3 3 2 1 Cl O CHCOOH CH 3 Cl CH 3 N CO Cl NH OCH 3 CH 3 N Linuron Isoproturon CO NH Cl CH CH 3 CH 3 O Chlorpropham C O NH CH 3 CH 3 N Diuron ... & Francis Group, LLC 260 Organic Pollutants: An Ecotoxicological Perspective, Second Edition Ecologically, such a large reduction of weed species represents a major c...

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