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 Presented at the 10th Annual Geo3T2 Conference Hosted by the NCDOT

Matt Flinchum, P.G., R.S.M. presented at the 10th Geo3T2 Conference hosted by the North Carolina Department of Transportation (NCDOT) in Cary, North Carolina.  The Geo3T2 Conference is aimed at those involved in transportation, investigation, design, construction, management, and research in the geotechnical and geoenvironmental fields.  Mr. Flinchum was among over 50 other speakers who showcased innovative developments, techniques and research at this conference.  Mr. Flinchum...

AEG presents Mr. Rick Kolb with the Floyd T. Johnston Service Award

The Association of Environmental & Engineering Geologists has named Mr. Rick Kolb the recipient of the 2019 Floyd T. Johnston Service Award. Mr. Kolb was nominated for this award based on his years of active service with AEG. AEG will honor Rick on September 19th at their annual banquet.

Design and Installation of a Solar-Powered DNAPL Recovery System

Duncklee & Dunham conducted an extensive high-resolution site assessment to determine the extent and magnitude of a dense non-aqueous phase liquid (DNAPL) beneath a former wastewater pond that was impacted with chlorinated solvents.  The results of this assessment showed the extent of the DNAPL was concentrated in a relatively small area and was extractable.  Therefore, we designed a DNAPL recovery system that limits the amount of dissolved-phase contaminants recovered and...

Duncklee & Dunham First to Achieve NFA Status for a Site Using NCDEQ’s Quick Cleanup Procedures

  A municipality in the Coastal Plain of eastern North Carolina contracted with Duncklee & Dunham to provide our professional input regarding the design and implementation of a remedial action plan (RAP) to remediate impacted soil and groundwater at a former Manufactured Gas Plant (MGP) site. At the request of the City, we provided the following services: Identified deficiencies in the RAP, one of which was the lack of vertical delineation of soil contamination, which could have...

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 Standard

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...

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...

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...

MESSAGE US

6 + 8 =

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