COMMONWEALTH OF MASSACHUSETTS DEPARTMENT OF ENVIRONMENTAL PROTECTION NOTICE PUBLIC NOTICE IS HEREBY GIVEN OF A HAZARDOUS WASTE MANAGEMENT FACILITY TEMPORARY EMERGENCY LICENSE FOR TREATMENT OF HAZARDOUS WASTE PURSUANT TO 310 CMR 30.861. FACILITY HAZARDOUS WASTE ID NUMBER: MAC300099199 Agios Pharmaceuticals Inc a Small Quantity Generator of hazardous waste located at 88 Sidney Street, Cambridge, MA 02139 recently applied to the Department for a temporary emergency license for the on-site treatment of one (1) container of self-reactive explosive material, regulated hazardous waste. Agios Pharmaceuticals Inc is not licensed to treat hazardous waste. Therefore, the Department is issuing a temporary license to Agios Pharmaceuticals Inc effective 11/21/2025, for a 30-day period that will enable Veolia Environmental Services, a hazardous waste treatment specialist hired by Agios Pharmaceuticals Inc to perform a one-time on-site hazardous waste treatment action. Veolia Environmental Services specialists shall perform a chemical stabilization procedure in accordance with procedures set forth in the documentation enclosed with the license application. Once treated, the hazardous waste will be safely transported offsite and disposed at an authorized hazardous waste management facility. Any person wishing to review the temporary emergency license and other pertinent data may do so by writing or calling: Killian Talley Department of Environmental Protection Business Compliance Division Bureau of Air & Waste 100 Cambridge Street Boston, MA 02114 (857) 286-5530 December 4 2025 LNEO0414034