PPT-Arsenic

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. Intake of inorganic arsenic ov er a long period can lead to chronic arsenic poisoni ng arsenicosis Effects whic h can take years to develop depending on the level of exposure incl ude skin lesions peripheral neuropathy gastrointestinal symptoms diab 6. th. period. By: Katelyn Keller. Brianna Leslie. Tiffany Goulart. Used. : rat poison. Found: food, water, household items, etc.. Arsenic can be consumed from: seafood, water, bone meal, beer, tobacco smoke, laundry detergent. . the Din. é . Reservation. Clarita Lefthand, Ph.D. Student University of Washington. Som. e . Data presented here was . obtained from the Navajo EPA . Prevalence of Arsenic and Some Background. Naturally occurring element in bedrock. Eun . Y. oung Jeong. Rebecca Sammy. Selvie Jegarajaratnam . Zakiya Mittal. Presentation Date: October 10, 2017. PHM142H1. PHM142 Fall . 2017. Instructor: Dr. Jeffrey Henderson. Introduction. Metalloid - both metal and nonmetal properties. 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”. 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.. Adrian . Bumstead. , Xiao Qi Li, Jessica So, Jin (Donna) Yang. PHM142 Fall . 2015. Instructor: Dr. Jeffrey Henderson. Arsenic (As). Toxic metalloid. Arsenite. (. As. 2. O. 3. ; As . III). Arsenate. Brittany Segill. Where?. This study is taking place in Nevada, with particular interest in the Humboldt River and Humboldt River basin. This basin has various metallic and non-metallic economic deposits and is a leading producer of gold, silver, copper, mercury and tungsten in the US. 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. 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.. It combines with other metals and chemicals to make minerals in ores.. on't drink your water or use it to make drinkslike coffee, tea, juice, or infant formula. ou can use your water to cook and other uses.If your result is above 50 ug/L or 0.05 mg/L on't d Andrea L. Foster, PhD. U.S. Geological Survey GMEG. Menlo Park, CA. Arsenic is an element of concern in mined gold deposits around the world. Don Pedro . Harvard/Jamestown. Kelly/Rand (Au/Ag). Ruth Mine (Cu). by Joe . Bloggs. and . T. eresa Green. Introduction. Arsenic is a metalloid that can be found in the environment in rocks, soil, and water. It occurs naturally as the minerals . arsenopyrite. (. FeAsS.