NHDES issued a comment letter to Saint-Gobain Performance Plastics (SGPP) on June 16, 2020 in reference to four reports that address the ongoing site investigation work in the vicinity of the SGPP Facility in Merrimack, New Hampshire. An overview of the site investigation is provided in this previous NHDES blog post: https://www4.des.state.nh.us/nh-pfas-investigation/?p=736.
The four reports addressed in the comment letter include:
In the letter, NHDES requests submission of a Supplemental Site Investigation Report within 120 days that includes a preliminary screening of remedial alternatives. A full copy of the letter can be found at this link: http://www4.des.state.nh.us/IISProxy/IISProxy.dll?ContentId=4851650.