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Arsenic species - PowerPoint PPT Presentation

Bernine Khan University of Miami

Bernine Khan University of Miami

Arsenic Speciation of New & Weathered CCA-Treated Wood. Bernine Khan University of Miami. Arsenic Study Outline. Purpose Basic Arsenic Chemistry Solvent-Extraction Leaching Expts Arsenic Analysis of GW at Florida C&D Landfills Arsenic Leaching from Lysimeter Study

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714 views • 55 slides
Arsenic in Minnesota Groundwater

Arsenic in Minnesota Groundwater

Arsenic in Minnesota Groundwater. Mindy Erickson, P.E. Water Resources Science University of Minnesota Funding provided by CURA, MDH, WRC and USGS. Why Arsenic? Why Now?. In 2001, MCL changed from 50 u g/L to 10 ug/L Public Water Suppliers (PWS) must comply by January 1, 2006

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732 views • 42 slides
Geochemical Mobilization of Arsenic to Ground Water

Geochemical Mobilization of Arsenic to Ground Water

Sara Baldvins CHEM 4101 December 9, 2011. Geochemical Mobilization of Arsenic to Ground Water. Greatest Mass Poisoning in History. Naturally occurring arsenic (As) contamination in ground water is causing widespread health problems. 35 million in Bangladesh and

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251 views • 12 slides
J. O'Reilly* 1 , Dr. M. Watts 2 and Prof. N. I. Ward 1

J. O'Reilly* 1 , Dr. M. Watts 2 and Prof. N. I. Ward 1

Elution Processes. Sample. 1 Elution Processes. Elute with acetic acid and HNO 3. Elute with HNO 3. SCX Cartridge (DMA). Extraction. SAX Cartridge (MMA and As 5+ ). SCX. SAX. MMA. DMA. As 5+. As 3+. MMA. DMA. AsB. As 3+. As 5+.

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136 views • 1 slides
Arsenic expsoure assessment in semicondutor industry comparison with adminstration group

Arsenic expsoure assessment in semicondutor industry comparison with adminstration group

Arsenic expsoure assessment in semicondutor industry comparison with adminstration group. Jefferin Tsao ,Yaw-Huei Hwang Institution of Occupational Medicine and Industrial Hygiene, College of Public Health, Nation Taiwan University, Taiwan. Background.

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97 views • 1 slides
G. Lord 1 , H. Farnfield 1 , N. Kim 2 , S. Beard 2 , K. Luketina 2 and Prof. N. I. Ward 1

G. Lord 1 , H. Farnfield 1 , N. Kim 2 , S. Beard 2 , K. Luketina 2 and Prof. N. I. Ward 1

Mokena Geyser. Hells Gate. Waipupumahana. Top Inlet Spring, Waikite. Whangapoa. Atiamuri School. Wai-O-Tapu. HT Geyser. Matapan Rd Spring. South (SE) Spring. Parekiri Pool. Orakei Korako. Waipapa Spring. Rotokawa Lake. Taharepa Spring. Takarea #5. Taumatapuhipuhi.

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148 views • 1 slides

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