'Arsenic' diaporamas de présentation

North Carolina School Children’s Health Act of 2006. SCHA 2006. NC Legislators pasted the School Children’s Health Act in 2006 to address concerns with children’s exposure to: Arsenic-Treated Wood, Mercury, Diesel Exhaust Fumes, Pesticides & Mold and Mildew

How Much Arsenic Do We Eat? Analytical chemists make light work in tracking potentially harmful chemicals. Julian Tyson Department of Chemistry UMass Amherst. Analytical chemists provide information about the chemical composition of materials. So that a decision can be taken.

Chapter 9. Physiology of Alcohol & Poisons. Poisons. = chemicals that can harm the body if ingested, absorbed, or inhaled in sufficiently high concentrations Can detect and measure small amounts in human tissue. History of Toxicology. Early 1700s – used chemistry to detect poisons

Governance and Management of High Arsenic Ground Water based Drinking Water Supply in India. Dr. S.P. Sinha Ray ( Retd .) Member, Central Ground Water Board Emeritus President, Centre for Ground Water Studies, Kolkata. Distribution of Arsenic. Arsenic affected areas in West Bengal.

EELE 414 – Introduction to VLSI Design. Module # 2 – MOSFET Operation Agenda MOSFET Operation - Device Physics - MOSFET Structure - IV Characteristics - Scaling - Small Geometry Effects - Capacitance Announcements Read Chapter 3. MOSFET Operation.

Semiconductors. Learning Objective. Distinguish between the p-type and n-type semiconductors. n-type semiconductors Obtained when group 14 elements doped with group 15 elements. Electron is responsible for electrical conduction. Example: Arsenic doped in silicon. . p-type semiconductors

Nomenclature of Molecular compounds. Name the least electronegative nonmetal first using the prefix denoting how many are in the formula then prefix + root of the most electronegative nonmetal + ide ending:. SO 3. IF 5. Iodine pentafluoride. Sulfur trioxide. N 2 Br 4. CO. Carbon monoxide.

About 1 .5 lb of copper for every 1000 lbs rock . tailings. ore. The concentrating and smelting process adds a whole other layer of environmental problems. . But first….. The earth that is moved to get the ore. tailings. Mining changes the landscape. 1985. Butte Montana in 1942.

Phase 2 – site specific investigation Summary of results. Tonkin & Taylor Ltd 2 July 2012. Summary of investigation. 206 residential properties and 1 ECC 6 residential properties not included in the investigation 544 investigation locations – hand augers Approx 30 sample locations per ha

WELCOME TO THE ARSENIC LEVEL 1 ONLINE TRAINING COURSE. Lesson 2. Arsenic is a byproduct of SOME AGRICULTURAL and INDUSTRIAL ACTIVITIES. IT CAN ENTER DRINKING WATER THROUGH THE GROUND or AS RUNOFF INTO SURFACE WATERS.

Solar Energy. Presented By Ashvin G. Patel Asst. Prof. (E.E.) GPERI, Mehsana. Properties of silicon :.

Last Time. Matter- takes us space and has mass Matter is made of atoms Some matter is radioactive Matter that is radioactive has what is called a half life. Understanding chemistry can help us to solve (environmental) problems. Bioremediation Oil spills Heavy metal contamination

Periodic Table Review. Numbers 1-38 (quiz 1). Na. Sodium. Mg. Magnesium. Cr. Chromium. Co. Cobalt. Zn. Zinc. Sc. Scandium. K. Potassium. H. Hydrogen. Be. Beryllium. As. Arsenic. Se. Selenium. S. Sulfur. He. Helium. Cl. Chlorine. Ar. Argon. Cu. Copper. V. Vanadium.

Controlled Burns Are they worth it? . Breaking News Do Not breath. Why? Prescribed Burns !. Wood smoke that comes from prescribed burns is 12 times more Carcinogenic than cigarette smoke !

Phosphorous. By: Terrence Royster. What I am. Phosphorus is a nutrient required by all organisms for the basic processes of life Symbol is (P) Atomic number is 15. When I was Discovered. I was discovered in 1669, in Hamburg, Germany, preparing it from urine. Who Discovered me.

Diamond cubic crystal structure. Silicon makes up 25.7% of the Earth's crust. Most of it is in the form of silicon dioxide, also known as silica : Sand, amethyst, agate, quartz, rock crystal, chalcedony, flint, jasper, and opal . Czochralski single-crystal growth process .

A 2 Year Old who Presents with Seizures: What’s that Smell?. Suzan Mazor, MD Fellow, Toxicology Toxikon Consortium, Cook County Pediatric Emergency Medicine Children’s Memorial Hospital, Chicago. Case Presentation. 3 year-old presents with a GTC seizure

Water Pollution. Nutrient pollution. Pollution = the release of matter or energy into the environment that causes undesirable impacts on the health and well-being of humans or other organisms Nutrient pollution from fertilizers, farms, sewage, lawns, golf courses Leads to eutrophication

Waste Generators, classification, landfill, waste laws and regulations etc. JICA Training 15 June, 2011 Kenzo OOKA. Basic waste management rules for waste generators.

E arth Kam. By: Judd, Spencer, and Jason. Class Picture. Grand Canyon. Dead Zone in the Gulf of Mexico. Dead Zone Information. There is no life in the dead zone Polluted part of the Gulf of Mexico