Per-and polyfluoroalkyl substances (PFAS) compounds have very low regulatory limits within groundwater, with concentrations in the parts per trillion. PFAS can be found in many products that we...
Click for full poster. Background/Objectives An industrial facility utilized metal finishing process lines (sulfuric acid, nitric acid and chromic acid) which were located adjacent to a degreaser pit...
Background/Objectives Historical chlorinated solvents (cVOC) were released during the period of the mid-1950 through mid-1990’s resulted in contamination of low permeable glacial fluvial and deltaic...
Background/Objectives A municipal fire department trained with Aqueous Film Forming Foams (AFFF) on an elementary school’s sports field, on two separate occasions. An investigation 7 to 13- years...
This course will present the Interstate Technology and Regulatory Council (ITRC) Optimizing Injection Strategies and In Situ Remediation Performance Technical Regulatory Guidance document as a 4-hour...
Click for full poster. Background/Objectives The Site operated as an aircraft parts manufacturing and metal plating facility (B.H. Aircraft) from approximately 1964 to 2000, it is located at...
Click for full poster. Background/Objectives From 1961 to 1983, a steel fabrication business utilized a sub-grade vapor degreaser in a manufacturing business that was located in a dense industrial...
April 26, 2022 is the 200th anniversary of the birth of Frederick Law Olmsted. Considered to be the father of landscape architecture, Olmsted pioneered the idea that public parks could benefit the...
This April, GZA officially reopened all its offices for regular working hours. While GZA staff have been working in the field during COVID-related closures due to the essential nature of our work, and...
The challenge ahead for the U.S. market is to develop enough marshalling area for long-term, large-scale, and economically efficient use by the OSW industry. The demand for investing in redeveloping...
On April 8, 2022, the Occupational Safety and Health Administration (OSHA) launched a National Emphasis Program to protect millions of workers in 70 high-risk industries from heat illness and injuries...
GZA has been actively monitoring the upcoming changes to the FERC’s Part 12D and associated Dam Safety regulations. We’ve attended multiple industry presentations, including the recent “Leveraging...