Organic Carbon plus Zero Valent Iron for Residual DNAPL Remediation with Minimal Daughter Product Migration

Karen Kinsella, Edward Summerly, Stephen Andrus and John Hartley
Mon, 06/10/2013 - 12:00am

Paper given at Battelle's Second International Symposium on Bioremediation and Sustainable Environmental Technologies, June 10-13, 2013, Jacksonville, FL.  ABSTRACT:  A former electroplating facility in a heavily developed urban area had source area tetrachloroethene (PCE) concentrations of 9,180 micrograms per liter (µ/L).  This is approximately 6% of PCE's aqueous solubility, implying the presence of residual dense, non-aqueous phase liquid (DNAPL).  The dissolved-phase plume had migrated offsite.   READ

For more information:
Karen Kinsella
Edward Summerly

GZA to Participate in EBC Dam Management & Climate Change Program

Sun, 04/07/2013 - 8:00pm

GZA's Matt Taylor is Program Chair for the "EBC Dam Management & Climate Change Program:  Dam Safety and Removal Legislation, Regulations and Permitting.  Tom Jenkins will be a guest speaker.

Details:  Monday, April 8, 2013, 7:30 am to 12:00 p.m.McLane Graf Raulerson & Middleton, 300 World Trade Center, Suite 7000, Woburn, MA

Contact Name: 
Matthew Taylor, P.E.
Contact Phone: 

GZA Participates in Pequonnock Plant-A-Thon

Sat, 05/10/2014 - 12:00am

As part of a habitat restoration project sponsored by Save the Sound and Connecticut Fund for the Environment, several volunteers, including several GZA staff members, planted native plants and shrubbery along the Pequonnock River banks in Glenwood Park, located in Bridgeport, CT,  surrounding the new fishway to filter runoff from the nearby roadway as well as provide a more desirable habitat.  Save the Sound recently constructed a new fishway on the river for migratory fish to swim up, to get to their spawning habitat.


Consulting Opportunities

Laurel Oil & Gas Corp. takes great pride in the people we work with and the services our independent consultants provide to our clients.  We have a great team of consultants.  We provide them with opportunities that best fit their skill set.


Below is the list of requirements to be considered for the Laurel Independent Consultant Team:


GZA is Awarded the NAWIC Region 4 Safety Excellence Award

Mon, 04/28/2014 - 12:00am

The National Association of Women in Construction (NAWIC) Safety & HealthAwareness Committee awarded the Region 4 Safety Excellence award to GZA GeoEnvironmental, Inc.  The Safety Excellence Award recognizes three NAWIC member companies each year (General Contractor, Subcontractor, and Construction-Related) that demonstrate that safety is a corporate value andcommitment and who have implemented excellent safety and loss prevention programs.  GZA demonstrated our commitment to safety through our recent safety program innovations and


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