'Mercury concentrations' diaporamas de présentation

The National Mercury Monitoring Network: A Report from the May 2008 Workshop

The National Mercury Monitoring Network: A Report from the May 2008 Workshop. May 5 - 7, 2008, Annapolis, MD. Richard Artz 1 , Mark Cohen 1 , Jawed Hameedi 2 , Tony Lowery 3 , Winston Luke 1 , David Schmeltz 4. on behalf of many!. 1. NOAA Air Resources Laboratory

726 views • 52 slides

Mercury

Mercury. Toxic trace element Occurs naturally Anthropogenic sources Methyl form of most concern. Natural sources. Hg 0. Anthropogenic Sources. Hg 0. Hg p. Hg 2+. Mercury in the Environme nt. Inorganic Hg is now the predominant source of methylated mercury Fossil fuel burning.

558 views • 40 slides

David Gay (coauthors Eric Prestbo, Bob Brunette, Clyde Sweet) Illinois State Water Survey

Wet Deposition And Trends of Mercury in the U.S. and Canada, 1996-2004 Results from the NADP Mercury Deposition Network (MDN). David Gay (coauthors Eric Prestbo, Bob Brunette, Clyde Sweet) Illinois State Water Survey University of Illinois Champaign, IL dgay@uiuc.edu , (217) 244.0462

405 views • 40 slides

Mercury Risk to Avian Reproduction in San Francisco Bay: Implications for TMDL Implementation

Mercury Risk to Avian Reproduction in San Francisco Bay: Implications for TMDL Implementation. Collin Eagles-Smith, Josh Ackerman, Terry Adelsbach, John Takekawa, Keith Miles, Steve Schwarzbach, and Tom Suchanek. U. S. Fish and Wildlife Service, Environmental Contaminants Division

450 views • 37 slides

Mercury Risk to Avian Reproduction in San Francisco Bay: Implications for TMDL Implementation

Mercury Risk to Avian Reproduction in San Francisco Bay: Implications for TMDL Implementation. Collin Eagles-Smith, Josh Ackerman, Terry Adelsbach, John Takekawa, Keith Miles, Steve Schwarzbach, and Tom Suchanek. U. S. Fish and Wildlife Service, Environmental Contaminants Division

374 views • 37 slides

459 views • 35 slides

428 views • 35 slides

Contaminant Concentrations in Fish: 2000

Contaminant Concentrations in Fish: 2000. Ben Greenfield and Jay Davis SFEI. This talk includes the work of: Marco Sigala, Cassandra Roberts, and Rusty Fairey Moss Landing Marine Labs David Crane, Kathleen Regalado CDFG Water Pollution Control Lab John Wilcockson

393 views • 30 slides

EEPS ? Small Fish Hg Project

EEPS ? Small Fish Hg Project. North Bay sites. Treatment Reference Bay Goby. South Bay sites. EEPS ? Small Fish Hg Project. South Bay. South Bay. North Bay. North Bay. Mercury in Central Valley Sport Fish.

435 views • 30 slides

Contaminant Concentrations in Fish: 2000

Contaminant Concentrations in Fish: 2000. Ben Greenfield and Jay Davis SFEI. This talk includes the work of: Marco Sigala, Cassandra Roberts, and Rusty Fairey Moss Landing Marine Labs David Crane, Kathleen Regalado CDFG Water Pollution Control Lab John Wilcockson

309 views • 30 slides

Iliamna Lake Study

Iliamna Lake Study. Andra Love November 29, 2007. Introduction/Discussion Topics. Overview and Objectives of the Iliamna Lake Study Field Methodology QA/QC Results and Discussion Surface Water Quality Sediments Freshwater Mussels Zooplankton Summary. Objectives.

423 views • 25 slides

Integrated science for our changing world ceh.ac.uk

ICP VEGETATION. 29 th session WGE. European moss survey 2010/11. Confirmed p articipation : HM & N - 16 & 8 countries resp. Monitoring manual finalised 12 heavy metals : Al, As, Cd, Cr, Cu, Fe, Hg, Ni, Pb, Sb, V, Zn In addition: total N POPs: pilot study + review.

182 views • 5 slides

Mercury Extraction with LIX26 and LIX84 Ionic Exchangers in n-Heptane

Sergiu Fiodorov (DOE Fellow) - Florida International University Dr. Georgio Tachiev, ARC-FIU Mentor and Project Manager. Procedure

103 views • 1 slides

Local Source Deposition ( 2x10 9 g/yr). 1x10 9 g/yr. Current atmospheric Hg is 3x pre-modern atmospheric Hg (4.). Fig. 1. Pre-Modern mercury cycle. Fig 5. Linear regression of Pb-210 concentrations. Slope is used to determine sediment interval age.

114 views • 1 slides