Category: Pollutants

  • Statewide Nutrient Criteria Development: Core Advisory Team:
    Nutrients in Utah’s Waters

    Next Meeting N/A 2017 April 3, 2017 2015 October 26, 2015 March 30, 2015 2014 September 8, 2014 March 3, 2014 2013 December 9, 2013 September 9, 2013 June 24, 2013 April 29, 2013 March 25, 2013 January 10, 2013 2012 October 11, 2012 August 9, 2012 May 30, 2012 March 21, 2012 February 14,…

  • Headwater Criteria:
    Nutrients in Utah’s Waters

    On June 26, 2019, Utah’s Water Quality Board passed numeric nutrient criteria to protect aquatic life and recreation uses in headwater streams effective date: July 1, 2019. This page contains background information on this important water quality standard revision. Documentation includes a classification report (4 MB) that demonstrates that statewide nutrient-response relationships are likely to…

  • Statewide Nutrient Criteria Development:
    Core Advisory Team Members: Nutrients in Utah’s Waters

    Stakeholder Group Representative Chair Erica Gaddis (egaddis@utah.gov), Director, Utah Division of Water Quality Agriculture Thayne Mickelson (tmickelson@utah.gov), UDAF’s Conservation ProgramsJay Olsen (jayolsen@utah.gov), UDAF Agriculture Producers Jim Webb (jimwebb@murphybrownllc.com), Circle 4 Farms DEQ Public Information Christine Osborne (cosborne@utah.gov), Alternate PIO Division of State Parks Jeff Rasmussen (jeffrasmussen@utah.gov), Deputy DirectorTy Hunter (tyhunter@utah.gov) Division of Wildlife Resources Craig…

  • Resources:
    Nutrients in Utah’s Waters

    Jump to: General Background Supporting Literature Nutrient Criteria Utah Investigations White Paper: Using Qual2K Modeling to Support Nutrient Criteria Development and Wasteload Analyses in Utah (552 KB) General EPA Promulgation of Nutrient Criteria in Florida This Website contains information surrounding EPA’s promulgation of numeric nutrient criteria in Florida. The background material, FAQs, etc. associated with this…

  • Phosphorus Rule:
    Nutrients in Utah’s Waters

    New 2016 Amendment The Water Quality Board approved rulemaking for an amendment to the 2015 rule that addresses comments received from the regulated community regarding the time line for rule implementation. The amendment also incorporates a voluntary wastewater treatment optimization element designed to encourage nitrogen pollution reductions. Additionally, the amendment provides clarification of the phosphorus…

  • Radiation Basics

    Related Links Radiation is one of the ways that energy travels through space or matter. Radiant energy is emitted as either electromagnetic waves or subatomic particles. This energy runs along a continuum on the electromagnetic spectrum on the basis of its wavelength, frequency, or energy. The two major types of radiation—non-ionizing and ionizing—are differentiated by…

  • What is Ozone?

    Ozone is an odorless, colorless gas made up of three oxygen molecules (O3) and is a natural part of the environment. It occurs both in the Earth’s upper atmosphere, or stratosphere, and at ground level in the lower atmosphere, or troposphere. Approximately 90 percent of atmospheric ozone is located in the stratosphere, which begins about…

  • Frequently Asked Questions about Ozone and Your Health

    On hot, sunny summer days, ground level ozone can rise to unhealthy levels. Breathing ozone can trigger a variety of symptoms, including coughing, throat irritation, and chest pain. It is important to understand the health effects of ozone and the simple steps you can take to protect yourself. How can ozone affect health? Ozone affects…

  • 50 Summer Suggestions Regarding Ozone

    Drive Less Driving less doesn’t mean you have to stay home. Try any of these ways to get to where you want to go: Drive Smarter Driving smarter keeps pollution at a minimum. At Home At Work

  • Frequently Asked Questions: Lead in Drinking Water

    What is Lead? Lead is a toxic metal that was used for many years in products found in and around homes. Even at low levels, lead may cause a range of health effects including behavioral problems and learning disabilities. Children six years old and under are most at risk because this is when the brain…

  • Hazardous Air Pollutants (HAPS)

    The increased awareness in recent years of the dangers of toxic air pollutants has caused Congress to design regulatory efforts to control toxic substances in the air. These hazardous air pollutants (HAPS) are air pollutants for which National Ambient Air Quality Standards (NAAQS) do not exist. These pollutants may be expected to cause cancer, developmental…

  • 2015 Study:
    Hazardous Air Pollutants (HAPS)

    More HAPS Overview Frequently Asked Questions (51 KB) Hazardous air pollutants (HAPs) are air pollutants that are known to cause or suspected to cause serious, adverse health effects. They come from a wide variety of industrial, residential, and mobile sources. The Division of Air Quality (DAQ) conducted a year-long pilot study in 2015 to learn…

  • Hexavalent Chromium (Chromium 6)

    Water systems in Utah have been required to test for total chromium since 1993. Total chromium measurement is an analysis of two types of chromium, both of which are soluble in water. These are hexavalent chromium (or chrome 6) and trivalent chromium. Trivalent chromium is an essential nutrient; hexavalent chromium is considered a dangerous contaminant.…

  • Utah DDW Response to the EWG Study on Hexavalent Chromium

    The analytical method used in the Environmental Working Group (EWG) study may be subject to interference by other metals present in the water, such as iron or other salts. The method is known to require the addition of buffers that have trace levels of chromium. Using a method which is susceptible to interference by naturally…

  • Carbon Monoxide

    Carbon monoxide (CO) is a colorless and odorless gas that can be lethal in high concentrations. The National Ambient Air Quality Standards (NAAQS) for CO is 9 parts per million (ppm) on an eight-hour average or 35 ppm on a one-hour averaging period. CO occurs naturally by the decomposition of organic matter. The primary man-made…

  • Frequently Asked Questions:
    Asbestos

    What is Asbestos? Asbestos is a name given to a group of minerals which occur naturally as masses of long silky fibers. Asbestos is known for its unique properties of being resistant to abrasion, inert to acid and alkaline solutions, and stable at high temperatures. Because of these attributes, asbestos was widely used in construction…

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