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 Pages Tagged With: "Health and Safety"

Protecting Yourself from Ticks

Ticks live in several different habitat types and can be found throughout Delaware in forests, meadows and wetlands. They are also found in yards and residential areas. Ticks are active year-round if temperatures are above freezing.

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Dr. Ashley


Tick Management

There are a few simple measures you can take to help keep you safe from ticks around the home.

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Dr. Ashley Kennedy Tick Biologist 302-601-6408
In the


Ticks of Delaware

There are five species of tick commonly found in Delaware. Identifying which tick has bitten you can help you take steps to protect yourself. There are also a handful of arthropods that are sometimes mistaken for ticks.

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Dr.


Tick Program

DNREC’s tick program conducts year-round, statewide active and passive surveillance for ticks and tick-borne pathogens. Knowing when and where different tick species occur in the state, and whether or not they’re infected with pathogens such as the agent of Lyme disease, helps protect public health.
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Tick-Associated Diseases in Delaware

While Lyme disease is the most common tick-borne infection in Delaware, there are other tick-associated diseases to be aware of in case you suffer a tick bite.

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Dr. Ashley Kennedy Tick Biologist 302-601-6408


Mosquito Control Spraying Calendar

The DNREC Mosquito Control Section provides multiple communication channels to share information about planned mosquito control spraying in Delaware. These include the mosquito control spraying calendar (below), the online Spray Zone Map and the Spray Zone Notification System. https://calendar.google.com/calendar/embed?src=glasgowmosquito%40gmail.com&ctz=America%2FNew_York


Episodic Events for Hazardous Waste Generators

A facility may incur an episodic event — planned or unplanned — wherein an increase in the generation of hazardous wastes exceeds the calendar month quantity limits for the generator’s usual category. Under the regulations, Very Small Quantity Generators and Small Quantity Generators are allowed episodic events.
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PFAS Investigation Sites

This page contains a list of sites being investigated by DNREC for per- and polyfluoroalkyl substances (PFAS) in drinking water, groundwater or surface water in Delaware.

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DNREC Division of Waste and Hazardous Substances Todd Keyser 302-395-2600


Exposure Assessment Near New Castle Air National Guard Base

In 2019, the Centers for Disease Control and Prevention (CDC) and the Agency for Toxic Substances and Disease Registry (ATSDR) initiated an exposure assessment for perf- and polyfluoroalkyl substances (PFAS) in the community near the New Castle Air National Guard Base in New Castle County.
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K-9s – DNREC’s Natural Resources Police Superpower

They find lost children and suspects, sniff out illegal drugs and perform many other law enforcement tasks. But instead of two legs, they have four. They’re enforcement officers like any other with our Natural Resources Police.


Dam Safety

The Delaware Dam Safety Program works to reduce the risk of failure of dams and to prevent injuries, property damage, and loss of reservoir storage due to dam failure. It oversees the design and construction, operation and maintenance, and inspection of regulated dams in Delaware.
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Solid and Hazardous Waste Transporter Permits

The transportation of non-hazardous solid waste (including scrap tires and infectious waste), and hazardous waste (including used oil), is subject to regulation in Delaware.

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Compliance and Permitting Section 89 Kings Highway Dover, DE 19901 302-739-9403


Accidental Release Prevention

The Accidental Release Prevention (ARP) Program ensures that facilities that use Extremely Hazardous Substances (EHS) maintain Risk Management Plans (RMP).

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Eileen Butler Program Manager II Prevention and Preparedness Branch 302-395-2520



Floodplain Management

The DNREC floodplain management program works to preserve public health, safety, and well-being and protect property by reducing flood hazard risks statewide.

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David J. Warga, CFM State Floodplain Manager 302-739-9921
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Floodplain Mapping

The DNREC Floodplain Management Program works with FEMA to improve the accuracy of Flood Insurance Rate Maps, which were originally created in the 1970s, and to provide technical support pertaining to flood risk.

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Gina Tonn, PhD, PE, CFM Engineer


The National Flood Insurance Program

Homeowners’ insurance does not cover flood damage. Flood insurance is available through the National Flood Insurance Program (NFIP).

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David J. Warga, CFM State Floodplain Manager 302-739-9921
Floodplain Management


PCB Mass Loading Studies

The DNREC Division of Waste and Hazardous Substances and Division of Watershed Stewardship are working together to study polychlorinated biphenyls (PCBs) and how they enter surface waters from hazardous substance release sites around the state.
Phase I Summary


A Watershed Approach

The Watershed Approach to Toxics Assessment and Restoration (WATAR) is a watershed-scale approach to evaluating where contamination comes from, how it gets into Delaware’s waterways and water bodies, and what effects it has on watershed health.

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Todd Keyser,


PCB Mass Loading Studies: Phase II Report

The phase II report from the DNREC initiative to study polychlorinated biphenyls (PCBs) and how they enter surface waters from hazardous substance release sites around the state. PCB Mass Loading from Hazardous Substance Release Sites to Surface Waters in New Castle, Kent and Sussex Counties Part 1 — Summary


PCB Mass Loading Studies: Phase I Report

The phase I report from the DNREC initiative to study polychlorinated biphenyls (PCBs) and how they enter surface waters from hazardous substance release sites around the state. PCB Mass Loading from Hazardous Substance Release Sites to Surface Waters of the Christina River Basin Report Summary Figure 1 Evaluated


State Emergency Response Team

The State Emergency Response Team (SERT) responds to releases of oil and hazardous materials including non-fixed facility radiological releases in the State of Delaware. Incidents can range from transportation-related spills to major threats such as weapons of mass destruction. The SERT consists of the DNREC Emergency Response Team, the Delaware Emergency Management Agency (DEMA),


Responding to Environmental Emergencies

The Emergency Response Branch is responsible for responding to petroleum and hazardous materials incidents in the state. Incidents can range from transportation-related spills to major threats such as weapons of mass destruction.

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Jamie Bethard State Emergency Prevention and Response


Emergency Response and Strategic Services

The Emergency Response and Strategic Services Section oversees emergency response, accidental release prevention, emergency planning and community right-to-know, and boiler safety programs. It assists with public communications and manages financial and paralegal support for the Division of Waste and Hazardous Substances.

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Large Quantity Generators

If a facility generates hazardous waste in quantities greater than 1,000 kilograms (≈2,200 pounds) or generates acutely hazardous waste in quantities greater than 1 kilogram (≈2.2 pounds) in a calendar month, that facility is defined, under Delaware’s Regulations Governing Hazardous Waste, as a Large Quantity Generator (LQG).
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Electronic Waste

In this world of rapidly changing technology, disposal of electronic waste (e-waste) has created a growing waste stream. The Division of Waste and Hazardous Substances provides guidance for the management of these wastes by businesses under the state’s hazardous waste regulations.

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Universal Waste Rule

Universal wastes are items that are generated by a large number of businesses in relatively small quantities. Five hazardous wastes are identified as universal wastes under Section 273 of Delaware’s Regulations Governing Hazardous Waste. They are batteries, mercury-containing equipment, obsolete agricultural pesticides, lamps and aerosol cans.
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Solvent-Contaminated Cloth Wipes

The Delaware Department of Natural Resources and Environmental Control, Compliance and Permitting Section provides the following guidance on the management of cloth wipes, including shop towels, and rags contaminated with hazardous wastes identified via characteristic or listing in the Delaware Regulations Governing Hazardous Waste (7 DE Admin. Code 1302).



Managing Fluorescent Lamps

The following are answers to commonly asked questions regarding the management of waste fluorescent lamps that exceed the regulatory limit for mercury via the Toxicity Characteristic Leaching Procedure (TCLP).

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Compliance and Permitting Section 302-739-9403



Very Small Quantity Generators

If a facility generates hazardous waste in quantities of less than 100 kilograms (≈220 pounds or approximately 25 gallons) or is the generator of acutely hazardous waste in quantities of less than 1 kilogram (≈2 pounds) in a calendar month, that facility is defined, under Delaware’s Regulations Governing Hazardous Waste, as a Very Small Quantity


Salvage Yards

Salvage yards are an important part of the economy. They provide a valuable service, helping recycle what can be recycled and dispose of what cannot.

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Compliance and Permitting Section 302-739-9403



Managing Waste

The Division of Waste and Hazardous Substances is responsible for controlling the storage, transport and disposal of solid, infectious and hazardous waste in Delaware. The Division also coordinates recycling and yard waste management.
Solid Waste  Hazardous


Auto Repair Shop Waste

Auto Repair Shops generate hazardous waste that must be managed in accordance with Delaware’s Regulations Governing Hazardous Waste. Hazardous waste mismanagement adversely impacts human health and the environment.

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Compliance and Permitting Section 302-739-9403



Solid Waste

Solid Waste is any garbage, refuse, refuse-derived fuel, waste wood from demolition or construction, sludge from treatment plants, or other discarded material. It can include wastes resulting from industrial, commercial, mining and agricultural operations, and from community activities.

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Division of


Hazardous Waste

Hazardous wastes are solid wastes that are inherently dangerous to handle or dispose. They include chemicals such as solvents, mercury in thermometers, and lead in paint. The Division of Waste and Hazardous Substances regulates transporters, businesses and industry so that hazardous wastes are managed properly and cleaned up in the event of a spill or


Mercury and Mercury-Containing Equipment

Elemental mercury is liquid at room temperature, with a metallic and shiny appearance. It is conductive and highly volatile. Mercury can have serious health impacts on humans.

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Compliance and Permitting Section 302-739-9403



Used Oil Management

The following provides an overview related to commonly asked questions about the proper management and disposal of used oil regulated by Part 279 of Delaware’s Regulations Governing Hazardous Waste.

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Compliance and Permitting Section 302-739-9403


Small Quantity Generators

If a facility generates hazardous waste in quantities between 100 kilograms (≈220 pounds) and 1,000 kilograms (≈2,200 pounds) and generates acutely hazardous waste in quantities of less than 1 kilogram (≈2.2 pounds) in a calendar month, that facility is defined, under Delaware’s Regulations Governing Hazardous Waste, as a Small Quantity Generator (SQG). [column md=”5″


Solid Waste Facilities

DNREC’s Compliance and Permitting Section (CAPS) issues permits for all solid and hazardous waste facilities, such as operating and closed landfills and transfer stations, recycling, composting and resource recovery facilities.

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Compliance and Permitting Section 302-739-9403



Managing Used Aerosol Cans

For businesses, aerosol cans pose a unique hazardous waste determination problem because they consist of three different types of materials, each of which may be classified as hazardous waste — the can itself, liquid product contained in the can, and the gaseous propellant.

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Managing Common Household Wastes

Many types of hazardous waste items used by households can be disposed of in household trash, taken to a Delaware Solid Waste Authority (DSWA) recycling drop-off center, or taken to a DSWA Household Hazardous Waste Collection Event.
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Infectious Waste

The Division of Waste and Hazardous Substances regulates the treatment, packaging, storage, transportation, and disposal of infectious waste in the state.

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Lindsey Douglas Environmental Scientist 302-739-9403



Scrap Tire Management

Delaware produces over 750,000 scrap tires a year. How to keep them from fouling the environment is a serious consideration. The Department of Natural Resources and Environmental Control (DNREC) offers two programs to help — the Scrap Tire Facility Compliance Program and the Scrap Tire Removal Program.
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Information About Vibrio Bacteria

Vibrio are bacteria that occur naturally in brackish waters such as the Delaware Bay, the Inland Bays and tributaries, especially during warm weather months. Vibrio infections are relatively rare in Delaware and nationwide. However, when Vibrio or other bacteria come into contact with an open wound, they can cause serious infections. Vibrio infections can be


What is a Red Tide?

“Red Tide” is the common term for a particular type of harmful algal bloom made up of large concentrations of toxic red dinoflagellates called Karenia brevis (K. Brevis). These are tiny red-colored, naturally-occurring aquatic microorganisms which, in sufficient concentrations, can cause a reddish tint to the water. At very high concentrations, they can cause toxic


PFAS in Delaware

DNREC and the DHSS Division of Public Health are working with federal agencies to protect the environment and public health in Delaware from the effects of a group of synthetic chemicals known as PFAS.

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DNREC Division of Waste


DNREC Coronavirus Updates

Throughout the coronavirus (COVID-19) pandemic, the health and safety of our employees, visitors and volunteers has been paramount. Due to the unique and unprecedented challenges associated with the pandemic, the Delaware Department of Natural Resources and Environmental Control (DNREC) has developed temporary policies and modified or suspended existing policies, in accordance with rapidly evolving guidance


Fish Consumption Advisories

DNREC and the Department of Health and Social Services (DHSS) work together to monitor the presence of chemical toxins in the flesh of finfish and shellfish in Delaware waters. They issue periodic fish consumption advisories to guide anglers on the amount of fish they can safely consume.
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2018 Fish Consumption Advisory Information

Delaware fish consumption advisories issued February 20, 2018, by the Department of Natural Resources and Environmental Control (DNREC) and the Department of Health and Social Services’ Division of Public Health (DHSS/DPH) show that the concentration of chemical contaminants found in fish caught from Delaware waterways continues to decline, indicating water quality is improving across the


Blades Groundwater Site

On Sept. 1, 2020, the U.S. Environmental Protection Agency (EPA) announced the addition of the Blades Groundwater Site to the Superfund National Priorities List (NPL). The NPL is EPA’s list of priority sites with releases of hazardous substances, pollutants or contaminants requiring evaluation for possible remediation. The public announcement of the listing appears in the


Reporting Requirements

In 1986,





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