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Our ozone layer serves as a lifesaving UV barrier for planet earth, functioning to absorb most of the sun’s ultraviolet radiation. At the same time, ground-level ozone pollution is extremely harmful to human health. As the complexity of ozone pollution is often misunderstood, let's take a closer look at this particular pollutant.
Getting more zero- and low-emission vehicles on the road in Pennsylvania helps reduce harmful air pollutants, including nitrogenoxides, carbonmonoxide, particulate matter, and volatile organic compounds. It also helps lower the level of carbon dioxide, one of the greenhouse gases heating up the climate, in the air.
Unlike some of the other major air pollutants that affect our health, such as ground-level ozone (O3), nitrogen dioxide (NO 2 ), sulfur dioxide (SO 2 ), and carbonmonoxide (CO), particulate matter is the only example that isn’t a gas. What is Particulate Matter: Let’s Define It. Particulate Matter is Not ‘One’ Pollutant.
Getting more zero- and low-emission vehicles on the road in Pennsylvania helps reduce harmful air pollutants, including nitrogenoxides, carbonmonoxide, particulate matter, and volatile organic compounds. It also helps lower the level of carbon dioxide, helping to address climate change.
Smoke also carries gaseous compounds that can be harmful to our health, including carbonmonoxide, ozone (and ozone precursors called volatile organic compounds), and nitrogenoxides, some of which are carcinogenic.
By replacing older polluting engines and equipment with new technologies, funded projects remove nitrogenoxide, carbonmonoxide, particulate matter, and hydrocarbon pollution from the air. Annually, the project will remove 1.38 Annually the project will remove 3.9 tons of NOx and other pollutants from the air.
The AFIG Program funds projects that replace older gasoline- or diesel-fueled vehicles with cleaner fuel vehicles that helps reduce emissions of carbonmonoxide, particulate matter, volatile organic compounds, nitrogenoxides, and carbon dioxide, a principal greenhouse gas.
Conversions to clean diesel trucks and buses reduce large amounts of nitrogenoxide pollution from these vehicles, leading to less fine particulate matter and ozone formation. The recommended projects will also reduce hydrocarbons, carbonmonoxide, and carbon dioxide. Click Here for a list of grants awarded.
Ohio EPA has proposed rules that will require additional Volatile Organic Compound (VOC) and NitrogenOxide (NOx) emission controls for certain manufacturing and industrial operations located in the Cincinnati and Cleveland 2015 ozone nonattainment areas. Like VOCs, NOx is a precursor compound which can form ozone.
Under Pennsylvania’s air regulations, this facility is considered to be a major source of air contaminants for ozone precursors (nitrogenoxides (NOx) and VOCs), nitrogen dioxide (NO2), carbonmonoxide (CO), particulate matter (PM10 and PM2.5), hazardous air pollutants (HAPs), and carbon dioxide equivalents (CO2e).
Examples are benzene, hydrofluoric acid, particulate matter, sulfur dioxide, nitrogenoxides, and many, many other toxic pollutants. One good example of the nexus between global warming and local pollution is ground-level ozone. To make matters worse, NOx contributes to the formation of ground-level ozone and secondary PM2.5,
Air Pollution Air pollutants such as carbonmonoxide (CO), hydrogen sulfide (H2S), nitrogenoxides (NOx), particulate matter (PM), and volatile organic compounds (VOCs) are released from various stages of shale gas development. NOx and VOCs mix in the presence of sunlight to form ground level ozone (smog).
Up until now, the main justification for initiatives to control leaks from oil and gas infrastructure from the wells through the distribution system has been because those leaks contain methane-- a potent greenhouse gas-- and volatile organic compounds-- a precursor to the formation of ozone air pollution. Read more here. Read more here.
The SAB Staff Office is especially interested in scientists with the expertise described above who have knowledge and experience relating to criteria pollutants (carbonmonoxide, lead, nitrogenoxides, ozone, particulate matter and sulfur oxides). Nominations are due May 3, 2021.
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