1. Zach Anderson

2.  Atomic Number: 33  Reactive with Chlorates, Iodates, P, F  Many natural chemicals

3.  Melting Point: Sublimates unless very high pressure  Gray, Brittle non-metal flakes  Insoluble in Water

4.  Arsenic is in many natural materials: Soil, Water, Air, Dust  Arsenic compounds are soluble in water and they can be vaporized or settle out into sediment

5.  Arsenic is commonly found in the earth’s crust as a semi-metal  Natural Sources  Erosion  Forest fires  Volcanic Eruptions  Anthropogenic Sources  Coal Burning, Smelting, Feedlots  Paint, Dyes, Drugs  Chemical Fertilizers

6.  The EPA set the toxicity level of arsenic in drinking water to 10 PPB  Toxic if ingested or if in contact with skin

7.  Arsenic does not cause massive environmental damage because it is present in the natural environment.  The main damage of arsenic is to humans and other animals.

8.  Arsenic is a known carcinogen  Skin Cancer  Lung Cancer *  Liver and Kidney Damage  Poison ***Almost all forms of arsenic cause severe gastritis or cancer***

9.  http://water.epa.gov/lawsregs/rulesregs/sdwa/ar senic/Basic-Information.cfm http://water.epa.gov/lawsregs/rulesregs/sdwa/ar senic/Basic-Information.cfm  http://www.lenntech.com/periodic/elements/as. htm http://www.lenntech.com/periodic/elements/as. htm  http://www.chem.shef.ac.uk/chm131- 2003/cha03mjp/thechemicalproperties.html http://www.chem.shef.ac.uk/chm131- 2003/cha03mjp/thechemicalproperties.html  http://cameochemicals.noaa.gov/chemical/171 http://cameochemicals.noaa.gov/chemical/171  http://www.doh.wa.gov/ehp/oehas/pubs/arsenic. pdf http://www.doh.wa.gov/ehp/oehas/pubs/arsenic. pdf  http://environmentalchemistry.com/yogi/periodi c/As.html http://environmentalchemistry.com/yogi/periodi c/As.html