About Us

Phoenix Consulting, LLC (Phoenix) is a full-service environmental management company that provides turnkey solutions for the remediation of soil and groundwater resulting from leaking residential fuel oil tanks. Phoenix was established in 1998 by the owner and principal geologist, Daniel Yonker. Our main office is located in Phoenixville, Pennsylvania, and we have three remote offices in New Jersey. Phoenix is licensed by the New Jersey Department of Environmental Protection (NJDEP) to perform site remediation activities and achieve case closure at the State-level and can assist with the same in various states in the mid-Atlantic region.  

What can Phoenix Consulting do for you?


We will help you sort through the paperwork, provide direction and recommendations for the various moving parts, and keep you informed throughout the process.

Insurance Providers

Phoenix proudly provides consulting service to multiple insurance companies and their insureds.

Contact Us

Contact us to find out what more we can do for you!

About Phoenix

The highly capable Phoenix team has handled over 2,500 oil tank incidents which include homeowner’s insurance claims, State-funded cleanups, and direct service to the homeowner/responsible party. Our incident closure rate exceeds 99 percent.  

Phoenix field personnel are fully trained and up to date on evolving State regulations. Our staff includes a Licensed Site Remediation Professional (LSRP), certified Subsurface Evaluators, and a certified low-flow groundwater sampling technician. Field staff has completed a 40-hour OSHA Health and Safety course that is renewed annually with an 8-hour refresher. They also stay current on industry practice through continuing education courses. Both criminal background checks and drug testing have been performed on all field personnel. 

Our Vision and Values

At Phoenix, we strive to make a difficult process much easier for our clients. Our team of experienced project managers, licensed professionals and office staff are here to assist you every step of the way. Our goal is to operate efficiently yet effectively and provide minimal disruption with maximum results all while respecting and caring for your property as if it were our own.  In short, we are here to make things easier for you!