Mercury Hazards to Living Organisms - Chapter 6 pptx

... 23 19 86 1990 12.0 (4.0–34.0) FW 23 Sparrowhawk, Accipiter nisus: 1 963 –1970 4 .6 (2 .6 8.3) FW 23 1971–1975 5 .6 FW 23 19 76 1980 3.5 FW 23 94 MERCURY HAZARDS TO LIVING ORGANISMS Table 6. 5 (continued) Mercury ... organo- mercurials comprised between 60 .0 and 90.0% of the total mercury (Table 6. 4). © 20 06 by Taylor & Francis Group, LLC © 20 06 by Taylor & Fra...

Ngày tải lên: 11/08/2014, 20:21

... Wastes 19 86 1987 1988 1989 Total Wastewater 88 55 52 46 241 Air emissions 68 0 831 572 547 263 0 Products 71 79 81 72 303 Solid wastes 449 66 2 1010 11 96 3317 Total 1288 162 7 1715 1 861 64 91 a a Individual ... of mercury is proportional to primary production in the world’s oceans, oceanic phytoplankton activity represents about 36. 0% of the yearly mercury flow to the atmo-...

Ngày tải lên: 11/08/2014, 20:21

... 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 ... Limnol. Ocean., 46, 62 3 63 1. Sellers, P., C.A. Kelly, J.W.M. Rudd, and A.R. MacHutchon. 19 96. Photodegradation of methylmercury in lakes, Nature, 380, 69 4 69 7. Sellinge...

Ngày tải lên: 11/08/2014, 20:21

... developing brain to methylmercury is due to placental transfer of lipophilic methylmercury to the central nervous system © 20 06 by Taylor & Francis Group, LLC 40 MERCURY HAZARDS TO LIVING ORGANISMS (CNS) ... GA. 366 pp. © 20 06 by Taylor & Francis Group, LLC 38 MERCURY HAZARDS TO LIVING ORGANISMS Inhaled mercury vapor (Hg o ) is readily oxidized via the...

Ngày tải lên: 11/08/2014, 20:21

... rates of mercury from sludge-amended soils into grains and animal forage, and need to be modified (Granato et al., 1995). © 20 06 by Taylor & Francis Group, LLC 56 MERCURY HAZARDS TO LIVING ORGANISMS total ... area: Total mercury 61 ,400.0, max. 329,900.0 vs. 7,000.0, max. 98,300.0 26 Methylmercury 45.0, max. 65 .1 vs. 5.8, max. 43 .6 26 Lanchong reference site:...

Ngày tải lên: 11/08/2014, 20:21

... freshwater fish: Total mercury 2.82 FW 21 Methylmercury 1 .69 FW 21 Diet (tuna fish) Muscle; total mercury vs. methylmercury 0.28 FW vs. 0.14 FW 21 Liver; total mercury vs. methylmercury 0.43 FW ... lake; Rio Grande City: Water 4 .6 ng/L 32 Sediment 0.0 46 DW 32 © 20 06 by Taylor & Francis Group, LLC 1 46 MERCURY HAZARDS TO LIVING ORGANISMS Table 7.1 (continued) Mercury...

Ngày tải lên: 11/08/2014, 20:21

... immediately prior to death were 26. 8–30.3 mg/L 6 © 20 06 by Taylor & Francis Group, LLC 160 MERCURY HAZARDS TO LIVING ORGANISMS ciliate protozoan, Uronema nigricans, acquired tolerance to mercury after ... 168 MERCURY HAZARDS TO LIVING ORGANISMS REFERENCES Abbasi, S.A. and R. Soni. 1983. Stress-induced enhancement of reproduction in earthworms Octochaetus p...

Ngày tải lên: 11/08/2014, 20:21

... autopsied 26 years postexposure vs. control: Liver: Total mercury 0.54 FW vs. 0 .64 FW 15, 16 Methylmercury 0.04 FW vs. 0.07 FW 15, 16 (continued) 220 MERCURY HAZARDS TO LIVING ORGANISMS 67 .2 ... 1 961 30.0 DW 13 December 1 961 9.0 DW 13 October 1 963 12.0 DW 13 Filter-feeding molluscs; soft parts: 1 962 Max. 43.0 DW 4 1 963 Max. 40.0 DW 4 1 965 Max. 35.0 DW 4 1 967 Max. 6...

Ngày tải lên: 11/08/2014, 20:21

... This suggests that the © 20 06 by Taylor & Francis Group, LLC 266 MERCURY HAZARDS TO LIVING ORGANISMS Nico, L.G. and D.C. Taphorn. 1994. Mercury in fish from gold-mining regions in the upper ... 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., 1995, 1997). Major contrib...

Ngày tải lên: 11/08/2014, 20:21

... 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 ... FW muscle 34 Methylmercury < 60 0.0 µg/kg BW daily c 34 Permissible Tolerable Weekly Intake Total mercury < 5.0 µg/kg BW 1 Total mercury Maximum of 4.28 µg/kg BW 6 Met...

Ngày tải lên: 11/08/2014, 20:21