DUNCKLEE & DUNHAM


ENVIRONMENTAL CONSULTANTS

 

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Innovative Methods

 CLICK HERE TO VIEW SLIDESHOW ON USE OF INNOVATIVE METHODS  

For those projects requiring rapid cleanup, location of an unknown contaminant source area, or for quickly reducing uncertainty (brownfields sites), conventional assessment methods may not produce satisfactory plume definition, and more sophisticated techniques are now commonly needed.  For those sites, Duncklee and Dunham utilizes newer methods such as membrane interface probe (MIP) techniques, x-ray fluorescence (XRF), field test kits, and field gas chromatography services to map soil or ground water plumes in more detail.  Most of these methods provide real time data so that our personnel can adjust the site sampling plan while in the field.

MIP methods enable ground water plumes to be mapped in real time with much greater accuracy, including the locating of dense non-aqueous phase liquid (DNAPL) zones.  This allows for the more accurate placement of additional monitoring wells in both horizontal and vertical directions. 

Just as important on many projects, MIP methods show the best target zones for the placement of in-situ chemical oxidants.  For sites requiring a high degree of plume definition, such as an in-situ chemical oxidation project, MIP methods will provide real-time data in three dimensions that allow for quicker and more cost effective remediation.

Furthermore, using MIP and other innovative methods, we are able to deliver the remediation chemicals to specific contaminated zones allowing more cleanup with less expenditures for remediation chemicals.

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Latest News at Duncklee & Dunham
 

November  2009

Duncklee & Dunham's Jay Bennett and Bryson Trexler are using innovative techniques to develop site specific soil clean-up levels and develop a ground water variance for site metals restoration. The site is under the REC program and currently being managed on a fast track basis to accommodate expedited clean-up of soil and groundwater once plant modifications are made.

Duncklee & Dunham is preparing to implement full scale injection plan involving sodium persulfate into shallow groundwater under and adjacent to a former manufacturing building. A corrective action plan and an injection permit were submitted and approved under the Ga DEP HIS program.

November  2009

Congratulations to Jayson Kilcoyne on his promotion to Project Environmental Scientist II. His efforts are currently concentrating on the assessment and remediation of agrichemical and petroleum UST projects.

October  2009

In partnership with a local law firm, Duncklee & Dunham has recently provided pro bono professional assistance to Hope Elementary Charter School in Raleigh, North Carolina. Work was conducted to assess and dispose approximately three tons of soil, potentially contaminated with lead-based paint, from the school property. The closure report was submitted to the school in October 2009.

April  2009

Duncklee & Dunham is performing our third GIS brownfield inventory project for a local NC municipality. This project is being performed for several hundred parcels and will be completed in approximately five weeks time start to finish.

March 2009

Duncklee & Dunham has completed a 1,700 parcel GIS brownfields inventory for a local NC municipality. Muti-parcel Phase I ESAs are currently being performed under this US EPA brownfields grant funded project. To our knowledge, this is the second GIS brownfields inventory completed in NC, both of which have been performed by the firm. Dr. Trexler is currently working with US EPA Region 4 to finalize a QAPP so that phase II assessment tasks can be implemented using the brownfield grant funds.

February 2009

In a joint effort with Rodak Engineering, Duncklee & Dunham is in the process of performing over one hundred SPCC plans across the US. Duncklee & Dunham has prepared over 900 spill plans across the US over the past ten years.

December  2008
 
Cary Office - Office renovations are complete and the Duncklee & Dunham office is back to a full house. Feel free to stop by and take a look. See the Contact page for a before and after photo!


 


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     Duncklee and Dunham
     511 Keisler Drive - Suite 102
     Cary, NC 27518

 

     (919)858-9898
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