OTC Public Comment Period

The Ozone Transport Commission (OTC) is soliciting public comments regarding a proposed recommendation proposing a control measure to establish daily control technology optimization requirements and daily nitrogen oxide (NOx) emission limits at coal-fired electricity generating units (EGUs) in Pennsylvania. Notice of Public
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Air Quality Forecast

Air Quality Forecast Map (EPA AirNow) The Air Quality Partnership of Delaware DNREC is a member of the Air Quality Partnership of Delaware, which is
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Air Toxics Questions and Answers

Questions and answers about air toxics and the Delaware Air Toxics Assessment Study (DATAS). Toxic air pollutants, also referred to as air toxics or hazardous air pollutants (HAPs), are chemicals that, at sufficient concentrations and exposures, are known or suspected to cause
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Regional Haze

Air pollutants can cause haze, a veil of white or brown that obscures and blurs what we can see in the distance. Federal law requires states to prepare implementation plans to reduce the pollutants that can cause haze in important scenic areas. Delaware was determined to have an impact on haze only for the Brigantine
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The Delaware Particulate Matter Advance Program

The state and local governments in Delaware have joined together to work with industry to reduce particulate matter emissions and protect the public under the EPA’s Particulate Matter Advance Program. Renae Held Division of Air
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Ozone

Ozone is a colorless, naturally occurring gas found in two layers of the atmosphere. In the upper layers of the atmosphere, ozone protects life on Earth by absorbing some of the sun’s ultraviolet rays. In the layer closest to the ground, however, ozone is an air pollutant that is a key ingredient of smog and
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Air Toxics

Toxic air pollutants, also referred to as air toxics or hazardous air pollutants (HAPs), are chemicals that, at sufficient concentrations and exposures, are known or suspected to cause cancer. They can also cause other serious health problems or cause adverse environmental effects. DNREC monitors Delaware’s air for air toxics and publishes regular Air Toxics Strategic Plans
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Air Quality

The Division of Air Quality manages programs to monitor air quality, mitigate air quality problems, and forecast air quality conditions in Delaware.
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Public Hearing: Outer Continental Shelf Air Regulations

The Department of Natural Resources and Environmental Control (DNREC) Division of Air Quality will conduct a public hearing on proposed amendments to 7 DE Admin. Code 1150, Outer Continental Shelf Air Regulations.
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Get Involved

You can take simple steps every day to help keep our air cleaner and more safe. The Division of Air Quality offers information, educational materials and more to help you take control.

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Regulations & Plans Under Development

Air Quality Regulations
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Public Hearing Materials

The Division of Air Quality holds public hearings on permit applications, regulation updates, and other matters related to maintaining and enhancing Delaware’s air quality. All Division of Air Quality public hearings and meetings are posted on the state Public Meeting Calendar. Applications, plans, exhibits and other
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Title V: Major Air Sources

Title V is an air pollution control program, based on federal law, designed to standardize air quality permits and the permitting process for major sources of air emissions across the country. Angela Marconi Division of Air Quality 302-323-4542
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Smaller Sources of Air Pollution

Smaller sources of air pollution are known as “Area Sources.” Unlike large, very obvious, single sources of pollution, like industrial smokestacks, Area Sources are smaller activities by businesses or facilities that, when measured across a group of sites, can accumulate to large amounts of pollution impacting Delaware’s air quality. [column md=”4″ xclass=”col-xs-12
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Air Quality Permit Applications

Delaware state law requires air quality permits for equipment which has the potential to discharge air contaminants into the atmosphere. State regulations (7 DE Admin. Code, 1102) establish permitting procedures and requirements. The Division of Air Quality suggests that applicants take advantage of a pre-application review process to ensure
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Questions and Answers About Air Quality Permits

The Air Quality permitting process can be technical and complicated. Below are commonly-asked questions about Air Quality permitting, and the permitting process. If there are questions not answered here, please let us know. Email them to us at daqpermittinginfo@state.de.us.
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Point Source Emissions

The state of Delaware submits a comprehensive inventory of ozone precursor emissions to the EPA every three years. Ozone precursors are air pollutants that form ozone: volatile organic compounds (VOCs), oxides of nitrogen (NOX), and carbon monoxide (CO). Jacquelyn Cuneo
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Title V Fee Committee Meeting Archive

An archive of meeting materials of the Title V Fee Committee.
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Stationary Generator Emissions

Delaware’s Air Quality Regulations require the operators of stationary generators to register their equipment with the Division of Air Quality, regardless of whether that equipment requires a permit to operate. Those generators that meet the requirements of Regulation 1102 must also apply for Regulation 1102 Construction permits.
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Air Contaminant Equipment Registration

Any process that will emit between 0.2 and 10 pounds of air contaminants per day must apply for a Registration. Those processes that have emissions greater than 10 pounds per day before control must have an Air Quality Permit to operate.
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Title V Fee Committee

The Title V Operating Permit Program Advisory Committee, generally known as the Title V Fee Committee, was established by the Delaware General Assembly (7 Del. Code, § 6099) to provide guidance for the Title V: Major Sources program and to publish an annual report on costs and fees related to the Title V permitting program.
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Air Quality Pre-Application Review

The Division of Air Quality encourages all applicants to meet with an air permitting engineer before submitting a final permit application. This Draft Application Review Meeting ensures that the final application will be both administratively complete and technically complete. Engineering
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Regional Greenhouse Gas Initiative

Delaware is a participant in a multi-state carbon dioxide cap-and-trade program developed as a cooperative effort among the states of Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, and Vermont to cap and reduce carbon dioxide (CO2) emissions from the power sector. Carbon dioxide (CO2) is a greenhouse gas that contributes
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Clean Power Plan Meetings

In 2015, the EPA set the first-ever carbon pollution limits for existing power plants. The rules, known as the Clean Power Plan, were issued under the Clean Air Act. Between 2014, when the Plan was just a proposal, then and 2018, when the EPA reversed itself and rescinded those rules, DNREC worked with residents and
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Planning for Clean Power

The state of Delaware began working on a Clean Power Plan in response to carbon pollution limits set by the U.S. Environmental Protection Agency (EPA) in 2015. In August of 2018, the EPA reversed itself and repealed those rules. It has proposed a new “Affordable Clean Energy” rule instead. The state is now working with
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Greenhouse Gas Offsets

The Regional Greenhouse Gas Initiative (RGGI) allows participating states to identify and take credit for project-based greenhouse gas reductions outside of the electric sector, which is subject to the RGGI cap-and-trade program. Christian Wisniewski Division of Air Quality
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Air Quality Contacts

Small Business Environmental Assistance: 302-739-9069
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Reducing Diesel Emissions

Delaware has several programs designed to reduce diesel emissions, which can have significant negative impacts to overall air quality, from vehicles.
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VW Mitigation Plan

A 2017 agreement between the federal government and the Volkswagen Corporation (VW) created an Environmental Mitigation Trust to fund projects that mitigate air quality impacts from high-emitting diesel vehicles and engines. Delaware’s share of the Environmental Mitigation Trust is approximately $9.6 million. DNREC has developed a mitigation plan to accept and distribute these funds to
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Clean Vehicles & Fuels

Delaware has several programs designed to reduce air emissions by promoting clean fuels and alternative vehicle use. Biodiesel Biodiesel fuel is
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Inspection & Maintenance

The Inspection and Maintenance (I/M) program is a mandatory control measure to help the State of Delaware meet the National Ambient Air Quality Standard (NAAQS) for ozone. Valerie Gray Division of Air Quality
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Mobile Sources

Mobile sources include a variety of motor vehicles and mobile equipment that generate air emissions, and that autonomously move or can be moved from place to place. The Mobile Sources Control Program implements measures and programs to reduce motor vehicle-related pollution from on-road vehicles Passenger vehicles such as sedans
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Building Renovation & Demolition

Delaware has a number of regulatory requirements for handling and disposing of asbestos. DNREC’s Divisions of Air Quality and Waste and Hazardous Substances work with the Office of Management and Budget’s Division of Facilities Management to protect the public from the health impacts of asbestos.
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Asbestos

The Division of Air Quality’s Asbestos Management Program works with the DNREC Division of Waste and Hazardous Substances and the Office of Management and Budget’s Division of Facilities Management to protect the public from the health impacts of asbestos, which may lead to asbestosis, lung cancer, or mesothelioma. The abatement program regulates the removal, transport,
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Information for Homeowners

Owner-occupants of single-family dwellings are exempt from the Facilities Management Asbestos Regulations (see Section 5 – Compliance) regarding the removal and repair of asbestos by Delaware-licensed contractors They are also exempt from the requirement to notify DNREC and the US EPA. Where Asbestos Hazards Might Be Found
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Sandblasting Water Tanks

Starting in January of 2019, an air quality permit is required for sandblasting of outdoor water tanks in Delaware. Projects removing lead-containing coatings from water tanks by use of dry abrasive blasting must obtain a permit from DNREC’s Division of Air Quality.
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Air Quality Permitting & Regulation

The Division of Air Quality oversees regulations and permits governing the control of air pollution, from all sources in the state, to ensure that Delaware’s air meets State and Federal Air Quality Standards created to protect public health and the environment. The Division provides guidance and technical assistance to regulated businesses and facilities.
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Citizens’ Guide to Residential Open Burning

Residential open burning, ceremonial open burning and several types of recreational open burning are permitted in Delaware except when prohibited by the State Fire Marshal or National Weather Service.
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Prescribed Burns

A prescribed burn is any fire intentionally ignited to meet specific land management objectives such as wildlife habitat improvement, disease or invasive species control, forest management, fuel suppression, and other recognized conservation practices. Gerald Mood 302-739-9402
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Agricultural Burning

Farmers may conduct agricultural burning for crop residue, field maintenance, and land clearing for agricultural operations. This does not include clearing land in order to construct structures, even those used in conjunction with agricultural operations. Gerald Mood 302-739-9402
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Open Burning by Fire Companies

Fire companies in Delaware are allowed to conduct certain open burning activities, including assisting farmers with agricultural burning and the intentional burning of structures for the purposes of firefighting instruction.
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Open Burning

Most open burning is prohibited in Delaware from May 1 through September 30, typically referred to as “Ozone Season.” Exemptions include camping, cooking, and ceremonial fires. Delaware’s Open Burning Regulations prohibit certain types of burning at all times, and provide guidance for authorized burning under specific conditions.
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Questions and Answers

You have questions about Open Burning. We have answers. If you have a question not answered below, please drop us a note and let us know. Burning of small amounts of cut or fallen branches, limbs, or shrubbery
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Division of Air Quality

The Division of Air Quality monitors and regulates all emissions to the air. It issues permits to construct and permits to operate air contaminant sources. It maintains emission inventories from business and industry. It develops the State’s implementation plan as required by the Clean Air Act. It adopts new regulations
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Clean Fuel and Transportation Initiatives

Alternative fuel vehicles help us get from here to there with cleaner air and lower fueling costs. Electric cars, propane and natural gas vehicles, and bi-fuel vehicles are driven by Delawareans across all three counties, and more hit the road in the US every day. Clean transportation is a crucial strategy in lowering our greenhouse
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Topic: Clean Air

Humans, plants, and animals all need clean air to survive. A variety of human activities can add pollutants to the air and harm our health. DNREC has several programs to help ensure Delaware’s air meets State and Federal Air Quality Standards. These standards protect public health and the environment. DNREC staff track air quality
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