Mercury Hazards to Living Organisms - Chapter 5 ppsx

... rates of mercury from sludge-amended soils into grains and animal forage, and need to be modified (Granato et al., 19 95) . © 2006 by Taylor & Francis Group, LLC 56 MERCURY HAZARDS TO LIVING ORGANISMS total ... 2 Mercury Concentrations in Field Collections of Abiotic Materials, Plants, and Animals © 2006 by Taylor & Francis Group, LLC 54 MERCURY HAZARDS TO LIVI...

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... 0 .57 FW vs. 1.24 FW 34 Atmospheric deposition 15. 06 kg annually 35 Lake sediments 0.0 45 DW 35 Limestone/dolomite 0.012 DW 35 Snow 1. 25 – 4.21 ng/L 35 Surface water 0.23 – 0.76 ng/L 35 ... received 6 .5 tons of mercury annually, including 0 .5 tons of methylmercury Water; 19 75; vs. reference site 0.12 FW (as methylmercury) vs. 0.004 – 0.010 FW 20 Human hair: 19 7...

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... 1 05 4 .5 Catalysts 33 2 .5 102 4.3 Agriculture 110 8.4 93 3.9 Laboratory 38 2.9 71 3.0 Pharmaceuticals 59 4 .5 25 1.1 Pulp and paper mill 150 11 .5 19 0.8 Metal amalgamation 9 0.7 7 0.3 Total 13 05 ... (0 .5 to 2 .5 mg/kg fresh weight [FW]) from remote Arctic lakes over extended periods (19 75 to 1993) are sometimes due to natural sources of mercury (Stephens, 19 95) . Atm...

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... Group, LLC 28 MERCURY HAZARDS TO LIVING ORGANISMS later in Chapter 6 and Chapter 12. At this time, however, many authorities argue that mercury sele- nium interactions are the key to methylmercury ... and increased mercury concen- tration in fetal erythrocytes enhance fetal toxicity to mercury, especially after exposure to alkyl- mercury. Maternal milk contains about...

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... LLC 38 MERCURY HAZARDS TO LIVING ORGANISMS Inhaled mercury vapor (Hg o ) is readily oxidized via the catalase–H 2 O 2 complex and converted to Hg 2+ , mainly in liver and erythrocytes (Satoh, 19 95) . ... into a nonacidified mercury- contaminated lake in Sweden to concentrations of 3.0 to 5. 0 µg Se/L (from 0.4 µg Se/L) and sustained at this level for 3 years resulted in...

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... 19 75; 51 , Won, 1973; 52 , Airas et al., 2004; 53 , Liang et al., 2004; 54 , Hui et al., 20 05; 55 , Norum et al., 20 05; 56 , Sarica et al., 20 05. 86 MERCURY HAZARDS TO LIVING ORGANISMS fish were due to ... 55 Age 21–40 days 0.44 DW 55 Feathers: Age 1 day 4.6 DW 55 Age 6–10 days 4.0 DW 55 Age 21–40 days 2.3 DW 55 Liver vs. Kidney: Age 1 day 2.8 DW vs. 2.0 DW 55...

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... assessment of the toxic potential of mercury in ringed-seal liver for adult laboratory cats, Toxicol. Appl. Pharmacol., 55 , 51 4 52 1. Eisler, R. 1970. Factors affecting pesticide-induced toxicity in ... 50 .0 LC50 (168 h) 5 Adults 1 25. 0 All dead in 168 h 5 Prawn, Penaeus indicus : Postlarva 16.1 LC50 (48 h) 11 Postlarva 15. 3 LC50 (96 h) 11 170 MERCURY HAZARDS TO LIVI...

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... Kidney: Total mercury 2.0 FW vs. 1.0 FW 15, 16 Methylmercury 0.02 FW vs. 0.0 15 FW 15, 16 Brain: Total mercury 0 .53 FW vs. 0.076 FW 15, 16 Methylmercury max. 0.007 FW vs. 0.009 FW 15, 16 Dead ... 1 955 –1980; feather: Fish-eating seabirds 7.1 DW 5 Omnivorous waterfowl 5. 5 DW 5 Raptors 3.6 DW 5 Omnivorous terrestrial birds 1 .5 DW 5 Herbivorous waterfowl 0.9 DW 5 19 65 196...

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... anthropogenic total mercury emissions range from 2000 to 4000 metric tons per year, of which 460 tons are from small-scale gold mining (Porcella et al., 19 95, 1997). Major contributors of mercury to the ... 13 .5 (5. 0–49.6) mg/kg FW vs. 2.1 mg/kg FW 3 Nevada; Migratory Waterbirds; 1997–1998; Lahontan Reservoir Stomach contents; adults; total mercury vs. methylmercury: Black-crow...

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... 284 MERCURY HAZARDS TO LIVING ORGANISMS REFERENCES Abbasi, S.A. and R. Soni. 1983. Stress-induced enhancement of reproduction in earthworms Octochaetus pattoni exposed to chromium (VI) and mercury ... Tsuji et al., 2003; 53 , Ozuah et al., 2003; 54 , Glorennec et al., 20 05; 55 , Kjellstrom et al., 1986; 56 , Kjellstrom et al., 1989; 57 , NRC, 2000; 58 , Trasende et al., 2...

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