Jump to: How Do You Count Ten Working Days? Is the Removal of Mastic a Regulated Activity? How Do You Count Ten Working Days? (Effective: February 8, 1999) Based on an EPA determination, asbestos projects subject to a 10-working day notification in Utah can commence on or after the 11th working day (week day) counted …
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This month, the electric vehicle charging stations at the Utah Department of Environmental Quality headquarters are getting an upgrade. This will increase the number of chargers at DEQ to 30 charging port—including a DC Fast charger.
Read MoreThe Clean Air Act identifies six common air pollutants that are found all over the United States and can injure health, harm the environment or cause property damage. These pollutants include: Carbon Monoxide Lead Nitrogen Dioxide Ozone Particulate Matter (PM10) and (PM2.5) Sulfur Dioxide The United States Environmental Protection Agency (EPA) has established National Ambient …
Read MoreSerious Area PM2.5 State Implementation Plan (SIP) Development PM2.5 PM10 Current Air Quality PM2.5 Trend Plots Utah Clean Air Partnership (UCAIR) Particulate matter (PM), also known as particle pollution, is a complex mixture of small solid particles and liquid droplets in the air. Some particulate matter, like soot, smoke, dust, or dirt, is large enough …
Read MoreUnder normal atmospheric conditions, air is warmer near the ground and colder at higher altitudes. In a temperature inversion, the situation “inverts,” and cold air at the surface gets trapped under a layer of warmer air. During the winter, snow-covered valley floors reflect rather absorb heat, preventing the normal vertical mixing of warm and cold …
Read MorePM2.5 particulates are fine, inhalable particles or droplets with a diameter of 2.5 microns or smaller. These fine particulates, which are about 30 times smaller than the width of a human hair, can travel deeply into the lungs and cause both short-term and long-term health effects. While larger PM10 particulates can compromise respiratory and cardiac …
Read MoreJump to: Background Nonattainment State Implementation Process Area Designations and SIP Call Moderate SIP Goals and Deadlines Stakeholder Process Subpart 1 Moderate Area SIPs Subpart 1 SIP Control Measures Court Decision Subpart 4 Moderate Area SIPs Logan PM2.5 SIP Salt Lake PM2.5 SIP Provo PM2.5 SIP Emission Limits and Operating Practices for Large Stationary Sources …
Read MoreNonattainment designation is determined by the EPA when an area or areas within a state persistently exceed the National Ambient Air Quality Standards. The EPA has designated "nonattainment areas" for Particulate Matter having an aerodynamic diameter of 2.5 microns (μm) or less (PM2.5). The three EPA designated areas include: Provo, Utah Logan, Utah and Franklin …
Read MorePublic comments are a critical part of the decision making process. The Department of Environmental Quality and its divisions and boards are committed to using the public notice and comment process to improve the decisions they make. The most effective comments: Request actions the agency has legal authority to make. Provide new information the agency …
Read MoreThe following rules were adopted as part of the overall emissions control strategy for the PM2.5 SIPs. The rules themselves can be accessed online. R307-202 Emission Standard: General Burning (2 MB) R307-204 Emission Standard: Smoke Management R307-208 Outdoor Wood Boilers (2 MB) R307-221 Emission Standard: Emission Controls for Existing Municipal Solid Waste Landfills R307-302 Solid …
Read MorePM2.5 data has been collected at most monitoring stations since 2000. Like PM10, maximum values also tend to occur during wintertime inversions. Also like PM10, trends are somewhat difficult to evaluate because weather plays such a large role in the data collected from year-to-year. This is why the standard is evaluated over a three year …
Read MoreThe Serious PM2.5 SIP Development is very much an iterative process. The technical foundation of any SIP involves numerous emissions inventories, air quality modeling assumptions, potential emission controls, and ever-fluctuating design values recorded throughout the air monitoring network. The PM2.5 Implementation Rule is very prescriptive about how these numbers must fit together to comprise an …
Read MoreDisclaimer The Serious PM2.5 SIP Development is very much an iterative process. The technical foundation of any SIP involves numerous emissions inventories, air quality modeling assumptions, potential emission controls, and ever-fluctuating design values recorded throughout the air monitoring network. The PM2.5 Implementation Rule is very prescriptive about how these numbers must fit together to comprise …
Read MoreJump to: Public Comment Period (November 1 – November 30, 2018) Public Comment Period (October 1-October 31, 2018) Public Comment Period (July 1 – August 15) Public Comment Period (May 16 – June 16) Menu Current Air Quality Rule and Plan Changes EPA recently reclassified two of Utah’s three PM2.5 Nonattainment areas from Moderate to …
Read MoreJump to: Background Emissions Inventories Posted Inventories Modeling Disclaimer The Serious PM2.5 SIP Development is very much an iterative process. The technical foundation of any SIP involves numerous emissions inventories, air quality modeling assumptions, potential emission controls, and ever-fluctuating design values recorded throughout the air monitoring network. The PM2.5 Implementation Rule is very prescriptive about …
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