Saint Gobain Performance Plastics Variance Petition Slide

Welcome

Welcome. This website will be used to update interested parties on NHDES’ current investigation into the presence of Per- and Polyfluoroalkyl Substances (PFAS) in New Hampshire. You can access our previous webpage for archived information:  https://www.des.nh.gov/organization/commissioner/pfoa.htm.

Saint Gobain Performance Plastics Variance Petition Slide

Information Regarding the August 5, 2020 Public Hearing: Variance Petition from Saint-Gobain Performance Plastics

Information Regarding the August 5, 2020 Public Hearing Variance Petition from Saint-Gobain Performance Plastics What is the purpose of the variance petition? Saint-Gobain Performance Plastics (“Saint-Gobain”) requested a variance of the February 11, 2021, deadline (“Deadline”), set pursuant to RSA 125-C:10-e and the terms of Temporary Permit No. TP-0256 (the “Permit”) issued on February 11, Read More

Saint Gobain Performance Plastics Variance Petition Slide

NHDES Issues Comment Letter on Saint-Gobain Site Investigation Documents, June 16, 2020

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 Read More

Saint Gobain Performance Plastics Variance Petition Slide

Saint-Gobain Performance Plastics Notice of August 5, 2020 Public Hearing and Opening of Public Comment Period Request for a Variance Related to Air Permit

On June 4, 2020, Saint Gobain Performance Plastics (SGPP) submitted a request for a variance of the February 11, 2021 deadline for completing construction and installation of the PFAS air emission controls as required in RSA 125-C:10-e and the air permit TP-0256 issued by NHDES on February 11, 2020. In the variance request, SGPP cited Read More

Saint Gobain Performance Plastics Variance Petition Slide

Recording – Londonderry Town Council Meeting/PFAS and Drinkingwater Presentation and Discussion

Recording of the March 2, 2020 Londonderry Town Council Meeting. At the meeting, Clark Freise, NHDES Assistant Commissioner and Jeffrey Marts, P.G., Senior Hydrogeologist in the NHDES Hazardous Waste Remediation Bureau appeared to give a presentation on PFAS and other ground water and drinkingwater issues in the Town of Londonderry – and to answer questions. Read More

Saint Gobain Performance Plastics Variance Petition Slide

Issuance of Temporary Permit for Installation of Equipment to Control Air Emissions of PFAS – Saint-Gobain Performance Plastics, Merrimack, NH

On February 11th, the NHDES Air Resources Division issued a Temporary Permit (i.e. Permit to Construct) to Saint-Gobain Performance Plastics (SGPP) in Merrimack. The permit authorizes SGPP to install air pollution control equipment for the purposes of removing per- and polyfluoroalkyl substances (PFAS). As part of this decision, NHDES determined that the proposed control equipment Read More

Saint Gobain Performance Plastics Variance Petition Slide

Saint-Gobain Issues Letter on the Status of the Water Supply Well Sampling Program

Saint-Gobain sent a letter to NHDES on January 13, 2020 outlining how it intends to proceed with the Water Supply Well Sampling Program in light of the status of the PFAS Drinking Water Standards (MCLs) and Ambient Groundwater Quality Standards (AGQS). The Sampling Program is outlined in a Work Plan submitted on behalf of Saint-Gobain Read More