Category: Uncategorized

Saint-Gobain submitted Addendum 4 to the Water Supply Well Sampling Program on September 25, 2020. The Sampling Program is outlined in a Work Plan submitted on behalf of Saint-Gobain by Golder Associates, Inc. (Golder) on September 30, 2019 and in four addenda: Addendum 1 dated November 1, 2019 Addendum 2 dated December 16, 2019 Addendum Read More

On September 10th, the Director of the NHDES Air Resources Division (Director) issued a Findings of Fact and Director’s Decision (FOF/DD) in the matter of a Variance Petition (Petition) submitted by Saint-Gobain Performance Plastics (SGPP) in Merrimack, NH. After considering the information submitted in the Petition, written comments, and oral testimony received at an August Read More

On August 5, 2020, NHDES conducted a public hearing (utilizing the GoToWebinar platform, in accordance with the Governor’s Emergency Order) to solicit comments on the Saint-Gobain Performance Plastics variance petition. During the public hearing, NHDES extended the public comment period to receive written comments until 4:00 p.m. on Wednesday, August 12, 2020. Due to a Read More

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

Pursuant to the Laws of the State of New Hampshire, January Session of 2018 Chapter 306:2 (HB 1766), NHDES submitted a status report to the Legislature, through March 2020, on the occurrence of per- and polyfluoroalkyl substances (PFAS) in New Hampshire. To view the report: Statewide PFAS Occurrence Status Report Report tables: Table: Public Water Read More

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

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

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

The NHDES Environmental Health Program (EHP) has reviewed the 2018 Squam Lake Fish Tissue Results for per- and polyfluoroalkyl substances (PFAS) and has released the following Human Health Risk Assessment of Fish Consumption and Detected PFAS at Squam Lake, April 13, 2020.

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