61. EMS - Ozone And The Environment environmental impacts of groundlevel ozone. Printer-friendly version How does Ground-Level ozone Harm the environment? (Source EPA). http://www.ems.org/air_pollution/ozone_environment.html

Friday, 11 June 2004 Website Overview Search for: Printer-friendly version How does Ground-Level Ozone Harm the Environment? (Source: EPA) Ground-level ozone interferes with the ability of plants to produce and store food, so that growth, reproduction and overall plant health are compromised. Click here to view a concord grape plant damaged by ozone. By weakening sensitive vegetation, ozone makes plants more susceptible to disease, pests, and environmental stresses. Ground-level ozone has been shown to reduce agricultural yields for many economically important crops (e.g., soybeans, kidney beans, wheat, cotton). The effects of ground-level ozone on long-lived species such as trees are believed to add up over many years so that whole forests or ecosystems can be affected. For example, ozone can adversely impact ecological functions such as water movement, mineral nutrient cycling, and habitats for various animal and plant species. Ground-level ozone can kill or damage leaves so that they fall off the plants too soon or become spotted or brown. These effects can significantly decrease the natural beauty of an area, such as in national parks and recreation areas. One of the key components of ozone, nitrogen oxide, contributes to fish kills and algae blooms in sensitive waterways, such as the Chesapeake Bay.

62. Studying Earth's Environment From Space - Stratospheric Ozone Stratospheric ozone. An Electronic Textbook. So choose a chapter, click on its link, and watch it load. Chapter 1 An Introduction to Stratospheric ozone. http://www.ccpo.odu.edu/SEES/ozone/oz_class.htm

Stratospheric Ozone An Electronic Textbook with low- and high-resolution graphics and review questions Before you begin exploring these chapters, keep in mind that this is indeed a book whose chapters can be rather large files. Be sure to let them finish loading completely before you start moving around. Each chapter is represented on the screen with three independent frames. The frame across the top right contains the chapter title, buttons you can use to move between chapters, and links to the different sections of that chapter. The frame below on the bottom right displays the text of the selected section, and buttons at the bottom also allow you to move between sections. The vertical frame on the left side contains the thumbnails of the graphical figures and a link to a file containing high-resolution PDF versions that are good for printing and making view graphs. Each thumbnail links to a larger, low-resolution image for viewing. Conventional scientific citation within chapter text was removed for reading ease and flow. All citations for graphics and text are found in each chapter's References section. So choose a chapter, click on its link, and watch it load.

63. Studying Earth's Environment From Space - Stratospheric Ozone This module provides current scientific information and data on how scientists study and monitor ozone in Earth s stratosphere. Class Resources. http://www.ccpo.odu.edu/SEES/ozone/ozone.htm

This module provides current scientific information and data on how scientists study and monitor ozone in Earth's stratosphere. Class Resources The classroom resources are presented in the form of an electronic textbook and are organized like a printed textbook. Digital files for the graphics are provided so that you may either view directly on screen or obtain high-resolution versions for sending to a printer to make color view graphs. Instructor Resources The following are provided for each chapter. objectives review questions with answers references Computer Lab Resources The computer lab resources contain a tutorial for the SEE Image software, guided inquiry exercises, satellite data, freeware image analysis software (SEE Image), and information on the satellite and sensor. Instructor Resources Include an Instructor's Guide that contains the following information for each exercise. learning objectives mathematical tools National Science Education Content Standards resource materials science process skills answers image processing skills Terms are defined and acronyms are expanded.

64. Defra, UK - Environmental Protection - Air Quality ozone; Figures 18; Bibliography. Previous Contents Next . Published 29 October 1998 Expert Panel on Air Quality Standards Index Air and Environmental http://www.defra.gov.uk/environment/airquality/aqs/ozone/

Department of the Environment, Transport and the Regions Ozone Contents Terms of Reference and Membership of the Panel Acknowledgement Introduction Sources of Ozone ... Next Published 29 October 1998 Expert Panel on Air Quality Standards Index Air and Environmental Quality Index Defra Home Page

65. Growing Supplies - CO2, Environment Controllers control hydroponic pumps simple CO 2 controller - turn on-off ozone generators. Allows you to control the temperature within your growing environment. http://www.backyardgardener.com/store/gg/co2andenvironment.htm

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66. Methyl Bromide And Ozone your concerns about the dangerous effects of the toxic, ozonedepleting pesticide Robert Hill Minister for the environment Parliament House Canberra ACT 2600 http://www.gaiabooks.co.uk/environment/methyl.html

back to news index) Methyl Bromide and Ozone Depletion GR Action #5/97 Stop Ozone Depletion / Ban Methyl Bromide (Global Response text: see contact numbers below) Methyl bromide is 50 times more powerful than CRCs in destroying ozone. Now that the more plentiful CRCs are being phased out, the most effective way to protect the ozone layer is to eliminate methyl bromide. summarized from the United Nations Scientific Assessment of Ozone Depletion, 1994 This September, at the meeting of the U.N.'s Montreal Protocol on Substances that Deplete the Ozone Layer, 162 nations will have a chance to speed up the phaseout of methyl bromide. A "Class I Ozone Depleter," methyl bromide is responsible for 5 to 10 percent of worldwide ozone depletion. The critical decision in Montreal will be greatly influenced by national delegations from Australia, Italy and the U.S. Global Response members are asked to urge these delegations to press for phasing out major uses of methyl bromide by 1999 in industrialized countries and by 2003 in developing countries. Complete bans should follow in 2001 and 2006, respectively.

67. Use Of Ozone For Winery And Environmental Sanitation The results indicate that ozone applied as a spray wash is effective in reducing microbial load in the processing environment. The http://www.practicalwinery.com/janfeb00/ozone.htm

Winegrowing January/February 2000 Use of ozone for winery and environmental sanitation By Brian Hampson, PhD, Food Science and Nutrition Dept California Polytechnic State University, San Luis Obispo, CA Since the early 1900s, ozone has been widely used for water treatment, including disinfection of municipal water supplies, swimming pools, spas, cooling towers, and sewage treatment plants. Recently, ozone has been used in food processing for sanitizing raw materials and irrigation waters, sanitizing packaging materials and storage facilities, and for sanitizing water for recycling. Prior to 1997, ozone could only be used for sanitation and purification of bottled drinking water in the U.S., and it is widely used around the world for this purpose today. In May 1997, an expert panel assembled by the Electric Power Research Institute (EPRI) declared ozone to be Generally Recognized as Safe (GRAS) for use in food processing in the U.S. Since then, wineries have embraced the use of ozone. Its use has been generally accepted and documented to be effective for barrel cleaning and sanitation, tank cleaning and sanitation, clean-in-place systems, and for general surface sanitation. This same trend of acceptance has been noted in many other industries, such as fresh-cut produce processing; produce storage facilities; food processing, including meat processing facilities; and, as noted above, in the bottled water and beverage industries. In these industries, the ozone systems are generally permanently mounted or fixed in place, which makes management of off-gas and ozone monitoring for safety and efficacy relatively easy.

68. State Of Environment In Norway: Climate And Ozone gases are reduced, we risk major climate change and serious environmental problems in Thinning of the ozone layer During the past 20 years, manmade chemicals http://www.environment.no/templates/PageWithRightListing____2142.aspx

ABOUT SOE NORWAY CONTACT US PICTURES NORWEGIAN A-Z directory Air pollution Hazardous chemicals Polar regions ... Data and statistics Climate and ozone Climate and ozone Climate Ground-level ozone Ozone layer ... Data and statistics The Kyoto Protocol: reducing greenhouse gas emissions The earth's climate has become noticeable warmer during the past hundred years. Unless emissions of greenhouse gases are reduced, we risk major climate change and serious environmental problems in the future. Many industrial countries, amongst them Norway, have ratified the Kyoto Protocol, agreeing to reduce their overall greenhouse gas emissions. Norway has committed to stabilising emissions at 1 per cent above the 1990 emission level. The norwegian greenhouse gas emissions rose by 6 per cent from 1990 to 2002. Without new measures the emissions are expected to increase by 22 per cent during the period 1990 - 2010. Included in this figure are the emissions from two planned gas-fired power plants. Thinning of the ozone layer During the past 20 years, man-made chemicals have reduced the amount of ozone in the stratospheric ozone layer. Depletion of the ozone layer allows larger doses of harmful ultra-violet (UV) radiation to reach the surface of the earth and increases the risk of skin cancer and infectious diseases. More than 160 countries have signed the 1987 Montreal Protocol, in which they agreed to phase out the use of substances that deplete the ozone layer. If all these countries achieve their targets, the ozone layer will probably return to normal by about 2050.

69. State Of Environment In Norway: Ozone Layer UNEP (United Nations Environmental Programme) estimates that without the Montreal Protocol, the abundance of ozonedepleting substances in 2050 would be 5 http://www.environment.no/templates/themepage____2144.aspx

ABOUT SOE NORWAY CONTACT US PICTURES NORWEGIAN A-Z directory Air pollution Hazardous chemicals Polar regions ... Data and statistics Climate and ozone Ozone layer Climate and ozone Ozone layer Ozone depleting potential 1.State: ... The Montreal Protocol controls the global emissions of ozone depleting substances The ozone layer is still being depleted, but recent measurements suggest that concentrations of ozone-depleting substances in the atmosphere have peaked and begun to drop. Consumption of these substances is dropping rapidly in Norway and in the world as a whole, and the ozone layer is expected to recover by 2050. 1.State 2.Impact 3.Driving forces 4.Pressure ... 5.Response Five per cent of the ozone layer lost since 1969 The ozone layer is found in the stratosphere, 15-35 km above the surface of the earth. Ninety per cent of the ozone (O3) present in the atmosphere is concentrated here. Ozone is continually generated and broken down through natural processes in the stratosphere. Anthropogenic emissions of ozone-depleting substances have disturbed the balance in the stratosphere. Measurements have shown a decline in global stratospheric ozone levels over the last 20 years. Since 1969, the global average loss of ozone has been 5 per cent at middle-latitudes. Ozone-depletion of up to 10 per cent during winter and spring and up to 5 per cent in summer and autumn has been recorded over Europe, North America and Australia. If we ignore the effect of other factors that influence the ozone layer, such as climate change and volcanic eruptions, it seems probable that the ozone layer is now at its thinnest.

70. IDEM - State Of The Environment Report 2002 - Office Of Air Quality The Indiana Department of Environmental Management (IDEM) and local agencies collect data from 43 ozone monitors across Indiana, including four new monitors http://www.in.gov/idem/soe2002/air/ozone.html

Ozone What is ozone? Sources How far do Hoosiers drive? The Regional Nature of Ozone ... Smog Watch Ozone in the upper atmosphere is the "good" ozone that protects us from the sun’s radiation. Ground-level ozone, which is formed when volatile organic compounds (VOCs), nitrogen oxides (NOx) and sunlight mix, is the "bad" ozone that irritates lungs and causes significant health problems for many people. Ozone is an air quality problem in the summer months when temperatures are high and the daylight hours are long. Ozone can lead to reduced lung function, increased respiratory inflammation, coughing, chest pain and nausea. Children are especially at risk from ground-level ozone, because they breathe more air per pound than adults and spend more time outdoors. Historically, the nation’s ozone standard was 125 parts per billion (ppb), measured over one hour. Indiana monitors ozone in areas where ozone levels are expected to be high, due to influence from dense population and manufacturing activities. The Indiana Department of Environmental Management (IDEM) and local agencies collect data from 43 ozone monitors across Indiana, including four new monitors installed at the beginning of the 2001 ozone season. Two new monitors were installed to assess air quality in the Vigo County area, one in Sandcut and the second in West Union, Illinois. The third new monitor was installed in Carroll County at Flora. The fourth new site was installed in Delaware County at Albany to monitor the far downwind transport of ozone from central Indiana. When a monitor in an area exceeds the standard more than three times in three years that area violates the standard.

71. Ozone Indicators ozone and the environment. ozone is a colourless gas that is a close relative of the regular oxygen we all need to breathe (regular http://www.environment.govt.nz/indicators/ozone/

Home Environmental Reports Environmental Indicators Ecological Footprint ... Search Indicators: UV levels at Lauder Ozone levels at Lauder Minimum ozone over Antarctic Size of Antarctic ozone hole ... Consumption of ozone depleting substances Further information on ozone depletion: Why is stratospheric ozone important? What is ozone depletion? Ozone and the Environment Ozone is a colourless gas that is a close relative of the regular oxygen we all need to breathe (regular oxygen has two atoms, O , whereas ozone has three, O , and is in fact poisonous). 90% of all ozone is concentrated between 15 and 35 kilometres above the surface of the earth in the stratosphere, peaking at around 25 kilometres up in a layer we know as the ozone layer. The sun is in effect a huge, natural nuclear reactor, emitting radioactive (UV) rays into space. An important property of ozone is that it absorbs UV radiation, so it protects the earth from most of these damaging rays. The ozone layer is our planet's only natural sunscreen. Smaller quantities of ozone exist close to the earth's surface. This is known as ground level ozone and while it does absorb some UV, it is actually harmful to living organisms. Ground level ozone is produced when sunlight acts on motor vehicle exhaust gases. It is a component of urban smog and is one of the indicators in the Air strand of the EPI programme. What is ozone depletion?

72. Ozone Indicators - UV Measurements Environmental Performance Indicators Programme, ozone Indicators. http://www.environment.govt.nz/indicators/ozone/uv.html

Home Environmental Reports Environmental Indicators Ecological Footprint ... Search Indicator: UV Measurements This figure shows monthly means of the daily erythemal UV dose measured at Lauder (45.0S, 169.7E), New Zealand. Erythemal UV is sunburn causing UV. The measurements were made with two different spectrometers. From January 1994 a UVM spectrometer was used. Prior to that, a UVL spectrometer was used. Note the strong annual variation where the highest UV levels are recorded in summer, and the lowest levels are recorded in winter, as a result of the strong solar zenith angle dependence of UV. View as a table Download an Excel readable format Monthly Mean of the Daily Erythemal UV Dose: Lauder, NZ UV at Lauder Source: NIWA - Lauder Ozone Indicators UV measurement Ozone at Lauder Minimum ozone over Antarctic Size of Antarctic ozone hole Tropospheric concentrations of ODS NZ's consumption of ODS MfE Home Page EPI Home Page Other Indicators: AIR INDICATORS AMENITY INDICATORS BIODIVERSITY CLIMATE INDICATORS ENERGY INDICATORS FRESHWATER INDICATORS LAND INDICATORS MAORI MARINE INDICATORS OZONE INDICATORS PESTS, WEEDS, DISEASES

73. Ozone Layer [Ministry For The Environment] The ozone layer sits about 1530 kilometres above the earth and reduces the in people; it also distorts plant growth, damages the marine environment, and leads http://www.mfe.govt.nz/issues/ozone/

Home Contact us Related links Site map ... Ministry Site search Ozone layer Ozone-depleting substances Ozone damage and climate change You are here: The issues Ozone layer Ozone layer The ozone layer sits about 15-30 kilometres above the earth and reduces the amount of dangerous ultraviolet light which reaches the earth from the sun. Too much ultraviolet light can cause skin cancer and cataracts in people; it also distorts plant growth, damages the marine environment, and leads to the breakdown of materials such as plastics. The ozone layer is vital for our survival and well-being. Man-made substances damage the ozone layer. The 1987 Montreal Protocol is an international agreement under which these substances are being phased out. The Protocol is working well. The amount of ozone-depleting substances going into the atmosphere is starting to peak, and will soon start to decline. The ozone layer is expected to repair itself very slowly over the next 70 years. For more information about the Protocol visit the United Nations Ozone Secretariat website . Ozone damage is also related to global warming Information about New Zealand research from the National Institute of Water and Atmospheric Research (NIWA) is available on the NIWA website . Good links to international ozone and science pages are also available on this site.

74. Environmental Ethics ozone Crisis and Global Warming. Population and the environment. http://online.sfsu.edu/~rone/Environ/Enviroethics.htm

Environmental Ethics Compiled by Prof. Ron Epstein epstein@sfsu.edu CONTENTS: Environmental Information Ethics Information Environmental Ethics Information Online Readings in Environmental Ethics ... Teaching Children about Environmental Ethics Environmental Information Envirolink Community EPA Environmental Resources on the World Wide Web Library of Congress Subject Headings for Environmental Sources Ethics Information Ethics Updates "Online Guide to Ethics and Moral Philosophy" by Robert Cavalier Environmental Ethics Information International Society for Environmental Ethics Environmental Ethics (Journal) Environmental Ethics Electronic Resource Guide Environmental Ethics Syllabus Project ... "I Enjoy Being a Virus" by Jon Carroll Topics in Applied Environmental Ethics: Environmental Effects of War Yahoo Directory: Environmental Impacts of War Afghanistan War and Environment Archive Genetic Engineering Genetic Engineering and Its Dangers (Website) Nanotechnology Nanotechnology: Ethics, Environment and Health (Website)

75. Environmental Consulting | Global Climate Change And Stratospheric Ozone Protect Global Climate Change Stratospheric ozone Protection Analyses. Emissions of greenhouse gases (GHGs) are inducing global changes in our natural environment. http://www.icfconsulting.com/Markets/Environment/enviro1.asp

awmSelectedItem=2 Contact Us Perspectives on Environment Air Quality Management Coastal Resources Management ... Technology Development, Commercialization, breadCrumbs("www.icfconsulting.com",">","default.asp","trail","trail","trail","0"); Emissions of greenhouse gases (GHGs) are inducing global changes in our natural environment. As the climate change debate and private sector market solutions evolve, ICF Consulting continues to offer its clients around the globe unparalleled analytical, policy, and business management services. Since 1987, ICF Consulting has been at the forefront of preparing leading-edge climate change technical and policy analyses, identifying viable market solutions, and building real-world management tools. IN THE NEWS Government of Ireland Announces First Phase of GHG Emissions Reduction Strategy Learn more about: Summary and Final Report: "Determining the Share of National Greenhouse Gas Emissions for Emissions Trading in Ireland"

76. Environment ACT - Ozone Fact Sheet for implementing the national strategies as they relate to the sale, use and disposal of ozone depleting substances. The environment Protection Act 1997 and http://www.environment.act.gov.au/airandwater/envprotectact97/eppfsht3.html

This site will look much better in a browser that supports web standards, but is accessible to any browser or Internet device. You may find that the text only version is more appropriate for your browser Text Only What's New About Us Contact Us ... Air and water Where am I? Home Air and water Environment Protection Environment Protection Fact Sheets Environment Protection Act - Fact Sheet 3 KIDS ZONE Ozone Fact Sheet Information onOzone depleting substances Fact Sheet No: 3 Hazardous Chemicals- Ozone Depleting Substances What are Ozone Depleting Substances? The ozone layer, located between 15 and 30 km above the earths surface, provides protection to life on earth by absorbing harmful ultra-violet radiation. There has been a dramatic increase in the depletion of the ozone layer during the latter part of this century, caused by the increased use of ozone depleting substances and, specifically, by their release into the atmosphere. Ozone depleting substances are chemicals which, when released into the atmosphere accumulate in the ozone layer and react with the ozone molecules to destroy them. The main ozone depleting substances are CFCs (chlorofluorocarbons), HCFCs (hydrochlorofluorocarbons), HBFCs (hydrobromofluorocarbons), halons, methyl bromide, methyl chloroform and carbon tetrachloride. National Strategy Action to reduce damage to the ozone layer has been agreed internationally under the Montreal Protocol on Substances that Deplete the Ozone Layer. This action has resulted in a ban on the manufacture and import into Australia of CFCs, halon, methyl chloroform, HBFCs and carbon tetrachloride. Controls have been placed on the import and manufacture of methyl bromide and HCFCs and their manufacture and import will eventually be banned. National strategies have been developed to ensure that Australia meets its international commitments under the Montreal Protocol.

77. Science, Environment, Global Change: Ozone Layer ozone Depletion Issue@. –koRecherche - Analyses of material flows of chemicals in the environment, including chemicals damaging the ozone layer. http://www.combose.com/Science/Environment/Global_Change/Ozone_Layer/

Top Science Environment Global Change ... –ko-Recherche - Analyses of material flows of chemicals in the environment, including chemicals damaging the ozone layer. Beyond Discovery, The Ozone Depletion Phenomenon - Article describes howbasic research has led to answers on what stratospheric ozone is, its role is in Earth's atmosphere and the devastating consequences of its depletion. Adapted from an account by Dr. F. Sherwood Rowland. CFCs (Chlorofluorocarbons) and Ozone Depletion - CIESIN thematic guide CIESIN Thematic Guide on Ozone Depletion - Overview of key concepts related to stratospheric ozone depletion, including the role of chlorofluorocarbons, health effects from increased exposure to UV-B radiation, environmental effects, and policies and responses. Climate Prediction Center's Stratosphere Home Page - NOAA organization's UV Index forecasts and maps of stratospheric ozone depletion, daily hemispheric ozone, and stratospheric temperature time series. EFCTC : Fluorocarbons (HCFC, HFC, PFC) and Sulphur hexafluoride (SF6) - Presents information about fluorocarbons (HCFC, HFC, PFC) and sulphur hexafluoride (SF6), including applications, physical and chemical properties, environmental impact and regulatory aspects. Environmental Effects of Ozone Depletion: 1998 UNEP Assessment - Special issue of Journal of Photochemistry and Photobiology B: Biology (pdf format) presents the seven technical papers comprising the United Nations Environment Programme assessment.

78. Bama Environmental News of your time you can truly celebrate Earth Day doing your part for the environment. is often considered a more serious health problem than ozone air pollution http://www.bamanews.com/

Search our archives, from 1998 to the present. View our new 2004 Spring Calendar. Sign a petition to help save our environment! Click here! Click here to send this site to a friend Bama Environmental News May 28, 2004 1) Dept. of Interior and IP Sign Landmark Enviro Agreement 2) "Save Orphaned Wildlife" Campaign Launched 3) Jefferson County Household Hazardous Waste Day Results 4) Alabama to Receive Beach Protection Monies ... 5) BEN Notes: Nature's Lens Opening, 15th Annual Cahaba Lily Festival, Alabama Annual Groundwater Conference, National Trails Day in the Shoals, In Memory of Ken Dillon BEN Special Appeal As of today, the 2004 special appeal for BEN charities have garnered only 2 contributions since May 17th. In lieu of a subscription, please consider contributing to one of the BEN charities. Information on the organizations and where to give can be found at : http://www.bamanews.com/donation.html In Celebration of Rachel Carson's Birthday "If a child is to keep alive his inborn sense of wonder.... he needs the companionship of at least one adult who can share it, rediscovering with him the joy, excitement and mystery of the world we live in." -

79. GlaxoSmithKline Environment, Health & Safety Report 2002 - Ozone Depletion refrigeration and air conditioning equipment by substituting materials that do not deplete ozone. We are also working to reduce the environmental impact from http://www.gsk.com/financial/reps02/EHS02/GSKehs-30.htm

GSK is taking significant steps to eliminate any ozone depleting impact arising from our processes, products and operations. We have a target to eliminate use of ozone depleting compounds in refrigeration and air conditioning equipment by substituting materials that do not deplete ozone. We are also working to reduce the environmental impact from the manufacture and use of our asthma and chronic obstructive pulmonary disease (COPD) medications. Asthma medication and the environment Asthma is a chronic and life threatening disease that affects 300 million people around the world. It is a disease of chronic inflammation and bronchoconstriction with symptoms such as cough, wheezing and chest tightness. Asthma prevalence is increasing. In developed countries it currently affects 10% of children and 5% of adults. In developing countries like Brazil, Peru and Uruguay the prevalence of asthma is estimated to be between 20 and 30 percent of the population. Asthma and COPD are linked to over 1,700 deaths per year in the UK. Metered Dose Inhalers (MDIs) are one of the main forms of treatment for asthma. MDIs were first introduced in the 1950s. The MDI is a pocket-sized, hand-held, pressurised multiple dose inhalation system that can deliver a precise dose of medication to the airways when used appropriately. Essential components of an MDI are a canister, the drug substance, a gas to propel the drug into the patient and a device for releasing and directing the dose.

80. New Mexico Air Quality Bureau - Ozone If ozone concentrations in San Juan County exceed the federal ozone standards, the New Mexico environment Department would have to implement a plan to reduce http://www.nmenv.state.nm.us/aqb/projects/Ozone.html

Eight-Hour Ozone Measurements in San Juan County Open House/Public Forum for Ozone in San Juan County Presentation f rom April 23, 2002 public meeting (Adobe Acrobat Format) Questions and Answers from Public Forum Questions and Answers from Public Forum Open House/Public Forum for Ozone in San Juan County Presentations f rom November 6, 2002 public meeting (Adobe Acrobat Format) Presentation by Ralph Gruebel - NM Environment Department Presentation by Barbara Toth - NM Department of Health Presentation by Roger Polisar - NM Environment Department The Ozone Task Force is a group of stakeholders addressing ozone levels in San Juan County. Information on the Four Corners Ozone Task Force Overview The Air Quality Bureau operates two monitoring stations in San Juan County that measure ozone, a colorless gas that can cause respiratory distress and other health impacts at elevated levels. Since the installation of these monitors, we have measured concentrations that approach one of the federal health-based standards. These measurements were unexpectedly high for a rural area. Most areas with high ground-level ozone concentrations are densely-populated cities. If ozone concentrations in San Juan County exceed the federal ozone standards, the New Mexico Environment Department would have to implement a plan to reduce air pollution in order to protect public health. This plan would affect businesses and individuals in San Juan and possibly adjacent counties. This would have a significant economic impact for the area, so we are focusing resources to determine causes and solutions to this problem so that the ozone concentrations in San Juan County will not increase.

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