PPT-Water Quality & Human Health: From Arsenic Exposure to Biological Response

Understanding how contaminants move through the environment UNC Superfund Research Program Funded by the National Institute of Environmental Health Sciences UNC Superfund Research Program Advances the scientific knowledge required to understand and reduce risks to human health associated with several of the highest priority chemicals regulated under the Superfund program namely polycyclic aromatic hydrocarbons PAHs and chlorinated hydrocarbons TCE and PCB. Arsenic concentrations vary in accordance with geographic location When arsenic levels are found to be too high at a specific location it may be necessary to treat drinking water to remove it Arsenic usually exists in two different forms or valences Human Health and the Environment. Introduction to Arsenic. Good Element – Bad Chemistry. Arsenic. Good Element – Bad Chemistry. What is . Arsenic. ?. Arsenic is an element which occurs naturally in the environment.. Decedent History. 11/15: To ER with nausea, vomiting, diarrhea, 2 hours after bowling with “friends”. Drank one beer in bowling alley that “tasted funny” and ate a hot dog. Admitted to OSH . . Melissa Schaar. Water Quality Standards Specialist . Water Quality Planning Bureau. 406-444-5226. mschaar@mt.gov. Presentation Outline. B. ackground information. The process – “Demonstration of Natural”. Melissa Schaar. Water Quality Standards Specialist . Water Quality Planning Bureau. 406-444-5226. mschaar@mt.gov. Presentation Outline. B. ackground information. The process – “Demonstration of Natural”. Arsenic in the . Soils, USGS. How much of this soil arsenic is available to move into the biosphere?. Arsenic . (two forms in this example) . Bioaccessible. arsenic . is the amount of arsenic that is . PHM142 . Fall 2019. Coordinator. : Jeffrey Henderson. Arsenic: Sources and Human Exposure. Natural Sources. Arsenic is most abundant in the earth’s crust, usually in the form of arsenopyrite.. However, small amounts of arsenic are present in the soil, air, and groundwater.. Preliminary Characterization of the Distribution of Arsenic in Southern Carson Valley. Angela Paul. USGS, Nevada Water Science Center. Douglas County Water Purveyors Meeting. September 16, 2019. PROBLEM. F. Ruggieri, V. Martin, D. Gimeno, J.L. Fernandez-Turiel, M. Garcia-Valles, L. Gutierrez. Presented by Sharon Brozo and Jason Triplett. Introduction. Article information. Background and Methods. Topic discussion. : MITIGATING ARSENIC IN DRINKING WATER 1 UNICEF supports countries in providing safe drinking water for children as a fundamental right stipulated by Article 24 of the Convention on the Rights of t Arsenic Arsenic is a naturally occurring metal found in the earth’s crust. It occurs in various forms: elemental (metallic) arsenic; combined with other elements such as oxygen, chlorine, sulfur ( School of Environmental Sciences. Jawaharlal Nehru University. Presented By:. Neha Singh. Supervisor:. Prof. Saumitra Mukherjee. Introduction. Groundwater is the major source of freshwater in many parts of the world for meeting the requirements of domestic and agricultural purposes.. Arsenic Contamination in Potable Water and an Assessment of Regulations. California State University Northridge; Department of Environmental and Occupational Health . Macario Perez, Ammar Witwit . and Antonio F. . Isabella. . Gee. Environmental and Water Resources Engineering. Regulations. Fluoride EPA Limit:. [F] = 4 ppm. . Arsenic EPA Limit:. . [As] . = . 10 ppb. <2 ppm. Hydroxyapatite. Ca. 10. (PO.