Who We Are

Meet our founders and business unit leaders to learn more about what makes Duncklee & Dunham exceptional in the field of environmental consulting.

Serving You For Over 20 Years

Located in the comfortable business district of Cary, North Carolina we continue to flourish and exceed expectations in the environmental consulting industry. Our area of service covers the greater triangle area and substantial portions of the Southeastern United States.

Mold and Asbestos Industrial Hygiene Services

Because of the dangerous impacts of flooding from recent Hurricanes Matthew and now Florence, Duncklee & Dunham teams are currently at the coast to help our clients reopen schools, hotels, and other commercial or municipal buildings.

Company News

Duncklee & Dunham Respirable Crystalline Silica Standard Symposium

    The Duncklee & Dunham Respirable Crystalline Silica Standard Symposium was a huge success! Thanks to everyone who was able to attend the symposium at Park Alumni Center at North Carolina State University Centennial Campus on August 23rd. The pdf links to the slideshows are posted below. OSHA Silica Rule - Construction Effects of Silica Regulations on the Demolition and Environmental Abatement Industry DOL - Respirable Crystilline Silica The Legal View - Silica...

Duncklee & Dunham Attends Registered Environmental Consultant Program Update Meeting and Training Session at NCDEQ

    Dave Duncklee, PG, RSM; Don Malone, PE, RSM; and Matt Flinchum, PG, RSM attended the REC Program Update Meeting and Training session hosted by the Department of Environmental Quality’s REC Program staff within the Inactive Hazardous Sites Branch (IHSB).  Dave, Don and Matt are registered site managers (RSMs) with the IHSB and Duncklee & Dunham is a Registered Environmental Consultant (REC) with the IHSB.  RSMs are key persons approved by DEQ to manage all site activities and make...

Duncklee & Dunham Attends Annual ITRC Meeting

    Matt Flinchum, PG, RSM, attended the annual 2018 Interstate Technology & Regulatory Council (ITRC) meeting in Anaheim, California.  Mr. Flinchum is a contributing member of the ITRC Advanced Site Characterization Tools team.  The annual meeting allows members of ITRC teams and other environmental professionals from across the country to meet face to face and collaborate to develop guidance documents and implement training opportunities.  These guidance documents and training...

Duncklee & Dunham Attends NC Chamber Environmental Compliance Conference

    Chris Bagley, PE, CIH, and Rick Kolb, LG, attended the North Carolina Chamber’s Environmental Compliance Conference at the Sheraton Imperial Hotel and Convention Center in Durham on February 1, 2018.  The speakers at the conference provided updates to regulatory programs in North Carolina.  These speakers included Michael Regan, Secretary of the North Carolina Department of Environmental Quality (NCDEQ); Michael Abraczinskas of NCDEQ’s Division of Air Quality; Linda Culpepper of NCDEQ’s...

New OSHA Regulations on Silica Dust

    On September 23, 2017, the Occupational Safety and Health Administration (OSHA) released the final rule for occupational exposure to respirable silica dust.  This rule is designed to eliminate the harmful effects of respirable crystalline silica dust to workers in the construction industry. In this rule, OSHA reduced the Permissible Exposure Limit (PEL) from 250µg/cubic meter to 50 µg/cubic meter for an 8-hour Time Weighted Average (TWA).  Respirable crystalline silica is produced by the...

Duncklee & Dunham Welcomes Tyler Mericka

Duncklee & Dunham is pleased to welcome Tyler Mericka to our Industrial Hygiene Program.  Tyler joined us in September of this year as an Environmental Technician to assist Raymond and Doug in our new upcoming projects involving Asbestos, Mold and Indoor Air Quality.  Since joining Duncklee & Dunham Tyler has been involved in multiple AREM related projects, and plans to persue certifications in the field of Industrial Hygiene.

Vapor Intrusion Symposium a Major Success!

Duncklee & Dunham hosted a symposium on Vapor Intrusion in North Carolina – Factors Affecting Assessment, Mitigation and Redevelopment on August 24th at the Park Alumni Center on North Carolina State University’s Centennial Campus.  Attendees included attorneys, EHS managers, and engineers from across the state as well as local and state regulators.  Attendees were provided an excellent overview of the state of vapor intrusion and emerging trends. We would like to acknowledge and thank...

Vapor Intrusion Symposium

Duncklee & Dunham is hosting an upcoming Vapor Intrusion Symposium for our clients and colleagues.  The symposium will be held on August 24, 2017 at the Park Alumni Center on North Carolina State’s Centennial Campus.    The Symposium will focus on regulatory, legal and social issues (historical, current, and future) in dealing with VI in Brownfields and other contaminated property re-developments, environmental factors affecting VI, and innovative assessment and mitigation...

Risk-based Remediation Training

Five employees from Duncklee & Dunham attended the Risk-Based Remediation Training hosted by North Carolina Department of Environmental Quality in Raleigh, North Carolina on May 26, 2017.  The focus of the 4-hour training session was an introduction to the different tiers of site evaluation and the use of NCDEQ’s Risk Calculator Tool to determine the risk of exposure at a site.  Duncklee & Dunham is implementing risk-based strategies and using these and similar tools at various...

North Carolina Bar Association Event

Raymond Childress, Rick Kolb, and Dave Duncklee attended the North Carolina Bar Association Section meeting in Atlantic Beach, North Carolina on May 12-13, 2017. Excellent presentations were given regarding the North Carolina Brownfields Program, the problems being posed by trichloroethene (for indoor air especially), and changes to state and federal environmental programs. For more information regarding this event and to download a brochure check out this link to...


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Duncklee & Dunham, P.C.

511 Keisler Dr #102 Cary, NC 27518
Over the years, I have been tasked with hiring environmental consultants for various projects. Duncklee and Dunham continues to be at the top of our list for preferred environmental consulting contractors. I have used them for over 15 years. We can depend on working with a competent, honest and stable technical staff that is sized appropriately to allow for internal expertise without excessive overhead.” – Corporate Environmental Engineering Manager, Greensboro, NC
“My colleagues and I have worked with the principals and staff at Duncklee & Dunham on a number of brownfields and other environmental assessment and remediation projects over many years. Without exception, each of our clients that have retained Duncklee & Dunham have been extremely pleased with their services. The principals there are known for looking for innovative solutions, and for providing very cost effective services. In particular, they have extensive depth with all aspects of addressing a brownfields site, including assessment, remediation and the grant application process. You will be very pleased if you decide to retain them.” – Environmental Attorney,  Raleigh, NC
“It is my pleasure to recommend the Duncklee & Dunham team. The City has a long standing relationship with the firm and has always been pleased with their work ethic and professionalism. They are nimble and responsive to our needs and always willing to go the extra mile to ensure our satisfaction.” – Director, Planning and Development Services, Eastern NC Municipality
“We recommend the firm of Duncklee & Dunham for brownfields and environmental remediation projects. We have utilized Duncklee & Dunham since 2006 on a variety of EPA-funded brownfields projects and at one time the volume of work resulted in having a Duncklee & Dunham employee working part-time out of our office in Raleigh.” – Leading Private Equity Brownfields Redevelopment Firm, Raleigh, NC
“I have personally worked with Duncklee & Dunham on a variety of significant and complex projects to the complete satisfaction of the city. I particularly appreciate their experience and knowledge of the complexities of working with local and state regulators on any number of environmental issues and their fiscal concerns and controls over the costs of their services. I especially appreciate and value the personal involvement of the owners in my projects.” – Special Projects Director, Fayetteville, NC