The Atmosphere and the Physical Effects of the Sun. The Atmosphere. A mixture of gases surrounding the Earth. Nitrogen – 78.08% Oxygen – 20.95% Argon – 0.93% Carbon dioxide – 0.4%By candra
Measuring the Emissions Reduction Impact of Episodic Public Education Campaigns and Issues Related to Year-round PM Programs. 2007 National Air Quality Conferences 13 February 2007, Orlando, FL Eric N. Schreffler, ESTC. Purpose. Assist programs in San Francisco, Phoenix and New YorkBy wynn
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Front Range Ozone Early Action Compact. Presentation to WESTAR Regional Ozone Conference Steven Arnold Air Pollution Control Division March 9th, 2004. Overview. Denver’s Ozone Problem Sources The Early Action Compact Non-Attainment Boundary Control Actions. Ozone Summary.
Ozone. An allotrope of oxygen two forms of the same element that differ in their molecular and crystal structure, and hence their properties. Filtering Effect of the Ozone Layer. Subatomic Particles. There are many… more than 200! But 3 are most significant: Electrons Nucleus
OZONE. OZONE. electric discharge. or. cosmic rays. :. -. +. +. :. :. -. EQUIVALENT RESONANCE STRUCTURES. OZONOLYSIS. Ozonolysis. FORMATION OF AN OZONIDE. unstable. HYDROLYSIS OF THE OZONIDE (WORKUP). aldehydes or ketones. FORMATION OF AN OZONIDE - MECHANISM. -. UNSTABLE. :.
OZONE:. Oxygen Gone Wild Joe Lutomske. Part 1. What is Ozone?. What is Ozone?. Synonyms: Triatomic oxygen CAS No.: 10028-15-6 Molecular Weight: 48.0 Heavier than CO2! Chemical Formula: O 3 Delivered in bubbles by water Gaseous Blue Unstable Smells like lightning. Is Ozone Safe?.
OZONE. Application In Waste Water Treatment. Presented By EnviroSafe TM. Waste Water Treatment. 3,000 times more germicidal than chlorine 160 times more bactericidal than sulphur dioxide 37 times more bactericidal than formaldehyde 1.7 times more bactericidal than hydrocyanic acid.
OZONE. What is ozone? Where is it found? Ozone depletion & regeneration. What is ozone?. An allotrope of oxygen It contains a coordinate covalent bond Is natural Is good & bad. Ozone Structure. Oxygen. Ozone. Triatomic molecule O 3 Contains double covalent bond + coordinate bond
OZONE!. “Good up high, Bad nearby”. Stratospheric. Tropospheric. Interesting characteristics of O 3. Highly poisonous, strong odor, irritant, colorless gas (We’ll study health effects in the spring .) Chemically much more active than O 2 Beneficial uses: Purify water
OZONE!. Good up high Bad nearby. Stratospheric. Tropospheric. Characteristics of O 3. Highly poisonous, strong odor, irritant, colorless gas We’ll study health effects in the spring. Chemically much more active than O 2 Beneficial uses: Purify water Sterilize air
Ozone!. 12 th Brewer Meeting – Aosta, Italy 2009. Introduction to Ozone Measurement. Tom McElroy David Wardle Vladimir Savastiouk. Physical Principles of the Dobson Measurement. Beer’s law 1, 2 Ozone absorption Slant path at 22 km; , m and sec Rayleigh scattering