Virtual public hearing WR Grace ‘s air quality permit

With Delegate Jen Terressa and our office’s effort, we will have a public hearing on this project.

Date and Time Monday, April 29, 2024, at 6:00 p.m.

The Department of the Environment, Air and Radiation Administration (ARA) has completed its review of an application for a Permit to Construct submitted by W.R. Grace & Company on September 21, 2023 for one (1) pilot plant line. The proposed installation will be located at 7500 Grace Drive, Columbia, MD 21044. The issuance of the Permit-to-Construct for this facility will be the subject of a Virtual Public Hearing to be held on April 29, 2024 at 6:00 p.m. To attend the hearing, please register using the following link no later than April 26, 2024:

https://forms.gle/rp2FbG77LWTBtz7F9

The purpose of this letter is to inform you that the Department has scheduled a virtual public
hearing concerning an air quality Permit to Construct application submitted by a company to be located near your jurisdiction. The Department has completed its evaluation of the permit application and has made a tentative determination that the Permit to Construct can be issued.
The Department has required the applicant to publish the enclosed notice at least once a week
for two consecutive weeks in the legal section of a daily or weekly newspaper of general circulation in
the geographical area in which the proposed installation will be located. The notice provides the following information about the permit application:

Applicant: WR Grace & Company
7500 Grace Drive
Columbia MD 21044

Proposal: Installation of a new research-scale pilot plant including small, R&D-scale reactors, chillers, separators, feeders, and samplers with an exhaust gas stream, cleaned by an electric, flameless thermal oxidizer.

The public hearing will be held virtually. Please see the enclosed notice for information on how
to register to attend the hearing. Interested persons may submit written or oral comments at the hearing. An extension to the comment period was requested and granted. Written comments may be submitted to the Department no later than July 29, 2024. Your participation in this proceeding is welcome.

Sincerely,
Angelo Bianca, Deputy Director
Air and Radiation Administration