UNITED STATES ENVIRONMENTAL PROTECTION AGENCY New England Regional Laboratory Laboratory Services and Applied Science Division 11 Technology Drive, North Chelmsford, MA 01863 Report Memorandum Drafted Date: Finalized Date: March 5, 2021 March 9, 2021 Subject: Stack Emission Testing Observations Algonquin Gas Transmission LLC (AGT) From: William Osbahr, Environmental Engineer /WAO/ Field Services Branch (FSB) Through: Jerry Keefe, Team Leader /JCK/ FSB To: Christine Sansevero, Air Technical Unit Chief Office of Environmental Stewardship Facility Information A.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 5 POST OFFICE SQUARE, SUITE 100 BOSTON, MASSACHUSETTS 02109-3912 URGENT MATTER - EARLY WARNING NOTICE CERTIFIED MAIL: RETURN RECEIPT REQUESTED February 15, 2023 Daniel Welch, Sr.

Office of Enforcement and Compliance Assurance EPA-300-F-21-002 January 2022 The United States Environmental Protection Agency provides an array of resources to help small businesses understand and comply with federal and state environmental laws.

EPA Region 10 Enforcement and Compliance Assurance Division INSPECTION REPORT Inspection Entry Date/Time Inspection Exit Date/Time Weather Media Statute(s)/Program(s) Type of Inspection 11/15/2022 09:30 AM (PT) Announced: No 11/15/2022 02:45 PM (PT) Access: Granted Sunny, 50F Water Clean Water Act, NPDES, Stormwater - Industrial ISI - Industrial Stormwater Inspection Permittee Name Facility or Site Name Facility Address City, State, Zip Code Count Facility GPS Coordinates WestRock CP LLC WestRock 9930 N Burgard Way Portland, OR 97203 Multnomah County 45.61298, -122.77831 FRS ID Permit Number SIC 110069567846 ORR242301 2653 (Corrugated & Solid Fiber Box mfg) Regulatory Representatives Participating in Inspection: Title Name Environmental Manager Stacy Hibbard Organization City of Portland Lead Inspector: RAYMOND ANDREWS Raymond Andrews EPA Region 10 Digitally signed by RAYMOND ANDREWS Date: 2023.01.23 13:22:05 -08'00' andrews.raymond@epa.gov (206) 553-4252 Supervisor Review: PETER CONTRERAS Peter Contreras EPA Region 10 Digitally signed by PETER CONTRERAS Date: 2023.01.23 13:51:31 -08'00' contreras.peter@epa.gov (206) 553-6708 SECTION I - INTRODUCTION Site Entry and Inspection Objectives I arrived at WestRock ("Site" or "Facility"), located at 9930 N Burgard Way, Portland, OR 97203, at 9:30 AM (PT) on 11/15/2022 for an unannounced inspection.

February 12, 2024 Ronald Palmer Warm Springs Tribes P.O.

July 15, 2024 David Lucas Makah Tribe P.O.

January 10, 2025 Reggie Peone, Sr Spokane Tribe Of Indians 6195 Ford-Wellpinit Rd Wellpinit, WA 99040 Failure to Complete Tier 2 Public Notification Requirements, Martha Boardman, PWS ID 105311103 Dear Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 10 1200 Sixth Avenue, Suite 155 Seattle, WA 98101-3123 WATER DIVISION March 13, 2023 Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 10 1200 Sixth Avenue, Suite 155 Seattle, WA 98101-3123 WATER DIVISION June 14, 2023 Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 10 1200 Sixth Avenue, Suite 155 Seattle, WA 98101-3123 WATER DIVISION March 13, 2023 Mr.

Inspection Entry Date/Time Inspection Exit Date/Time Regulatory Program Type of Inspection EPA REGION 10 Enforcement Division INSPECTION REPORT 11/06/2023 10:20 AM (PT) Announced: No 11/06/2023 12:14 PM (PT) Access: Granted RCRA Compliance Evaluation Inspection (CEI) Company Name Facility or Site Name Facility/Site Identifier Facility/Site Physical Address City, State, Zip Code County/Borough Generator Status NAICS Type of Operation Geographic Coordinates Mailing Address/Secondary Address City, State, Zip Code Walmart, Inc.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 10 1200 Sixth Avenue, Suite 155 Seattle, WA 98101 ENFORCEMENT & COMPLIANCE ASSURANCE DIVISION Reply To: 20-C04 CERTIFIED MAIL - RETURN RECEIPT REQUESTED Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 10 1200 Sixth Avenue, Suite 155 Seattle, WA 98101 WATER DIVISION April 27, 2023 Mr.

Report Prepared by: Report Approved by: NPDES Compliance Sampling Inspection Report Aguirre Power Complex Salinas, Puerto Rico PR0001660 September 14, 2022 ROBERT Digitally signed by ROBERT MORRELL _M_O__R_R_E__L_L________Da_te_: 2_02_2._11_.0_9 1_0:_55_:2_4 -_05_'00_' _ Robert Morrell, Geologist Monitoring Operations Section Date: ________________ Digitally signed by PHILIP PHILIP COCUZZA COCUZZA _________________D_ate_: 2_0_22_.11_.0_9_09_:4_9:4_5_-0_5'0_0'_ Phil Cocuzza, Chief Monitoring Operations Section Date: ________________ Aguirre Power Complex PR0001660 Inspection Date: September 14, 2022 Page 2 of 12 Aguirre Power Complex PR0001660 Inspection Date: September 14, 2022 1.0 OBJECTIVE On September 14, 2022, at the request of the Caribbean Environmental Protection Division, a National Pollutant Discharge Elimination System (NPDES) Compliance Sampling Inspection (CSI) was conducted at the Aguirre Power Complex in Salinas, Puerto Rico.

Inspection Date(s): RCRA Compliance Branch INSPECTION REPORT 05/07/2025 Inspection Announced: No Facility or Site Name: Facility/Site Physical Location: (city, state, zip code) Mailing address (if different from above): (city, state, zip code) Facility/Site Contact: Starfire Systems Inc. 8 Sarnowski Drive Schenectady, NY 12302 Jeremy Pratten Chemical Operator Jeremy.pratten@starfiresystems.com (845) 443-3119 RCRA ID Number: NYR000227108 Facility/Site Personnel Participating in Inspection: Jeremy Pratten Above Alex Blair EHS and Production Manager Above Alex.blair@starfiresystems.com/ (347) 7339961 Inspector(s): William Chernes Supervisor: Derval Thomas WILLIAM CHERNES Digitally signed by WILLIAM CHERNES Date: 2025.07.15 12:29:29 -04'00' DERVAL THOMAS Digitally signed by DERVAL THOMAS Date: 2025.07.14 19:51:21 -04'00' SECTION I - INTRODUCTION Purpose of the Inspection Objective The purpose of the inspection was to determine the facility's compliance with the Resource Conservation and Recovery Act.