UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 1 5 Post Office Square, Suite 100 BOSTON, MA 02114-2023 Dated via electronic signature stamp Jean-Pascal Mill Seqens - Polycarbon Industries, Incorporated 67 Buena Vista Street Devens, MA 01434 RE: NOTICE OF VIOLATION of the Resource Conservation and Recovery Act Act of 1976 (RCRA), the Hazardous and Solid Waste Amendments of 1984 (HSWA), 42 U.S.C. 6622(a) and 6924(d) through (m), and Massachusetts General Law, Chapter 21C, Sections 4 and 6.

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 07/29/2024 09:30 AM (AT) Announced: Yes 07/29/2024 01:40 PM (AKT) Access: Granted 55F, Overcast Water Clean Water Act, NPDES, WWTP Compliance Evaluation Inspection Permittee Name Facility Name Facility Physical Address City, State, Zip Code Borough Facility GPS Coordinates Mailing Address City, State, Zip Code City of Petersburg Petersburg WWTP 1404 14th Street Petersburg, Alaska 99833 Petersburg 56.817036, -132.932961 P.O.

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 04/13/2023 10:05 AM (PT) Announced: No 04/13/2023 01:10 PM (PT) Access: Granted Overcast, 40F Water Clean Water Act, NPDES, Stormwater - Construction Compliance Evaluation Inspection Permittee Name Site Name Site Physical Address City, State, Zip Code County Facility GPS Coordinates Mailing Address City, State, Zip Code Saybr Contractors, Inc.

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 09/10/2024 11:25 AM (PT) Announced: No 09/10/2024 01:45 PM (PT) Access: Granted 75F, Sunny Water Clean Water Act, NPDES, Stormwater - Industrial Compliance Evaluation Inspection Permittee Name Site Name Site Physical Address City, State, Zip Code County Facility GPS Coordinates Mailing Address City, State, Zip Code Zanetti Bros., Inc.

February 12, 2024 Michael Roberts Sauk-Suiattle Indian Tribe 5318 Chief Brown Lane Darrington, WA 98241 Failure to Monitor or Report Contaminants, Sauk-Suiattle, PWS ID 105311106 Dear Michael Roberts: The Environmental Protection Agency (EPA) has not received sample results for the following regulated drinking water contaminants, which constitutes a violation of the National Primary Drinking Water Regulations [40 CFR 141.23(a)], [40 CFR 141.24(f)]: Analyte Nitrate VOCs Compliance Period January 2023 December 2023 January 2023 December 2023 Sample Site ID SS-15 SS-15 Sample Site Name WELL #4 FINISHED TAP WELL #4 FINISHED TAP Sauk-Suiattle is required to monitoring for these drinking water contaminants during the compliance periods listed in the monitoring and compliance schedule.

August 12, 2024 David Lucas Makah Tribe P.O.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 10 1200 Sixth Avenue, Suite 155 Seattle, WA 98101 WATER DIVISION February 9, 2023 Mr.

Inspection Date(s): Time: Program: Regulatory Program(s): If Access is Denied: REGION 10 Enforcement Division INSPECTION REPORT 06/07/2022 - 06/07/2022 Announced: No Entry: 08:10 AM (AKT) Exit: 10:48 AM (AKT) RCRA Title 40 - ENVIRONMENTAL PROTECTION AGENCY Company Name: Facility or Site Name: Facility/Site Physical Address: (City, state, zip code) Type of Operation: Size of Facility: Length of Facility at Location: Geographic Coordinates: Mailing address: (Secondary Address) (City, state, zip code) County: Alyeska Pipeline Service Company Alyeska TAPS Pump Station 1 Dalton Highway Milepost 1 Prudhoe Bay, AK 99734 Crude oil transportation Facility sits on a 100-acre site Since 1974/1975 70.2572, -148.618 Mr.

RCRA Compliance Inspection Report IHS Yakama Service Unit Toppenish, Washington WAR000200113 November 29, 2022 JENNIFER Digitally signed by JENNIFER PARKER P__A_R__K_E__R_________-0_8_'00_'__________________ Date: 2023.01.10 11:26:56 Jennifer Parker Environmental Scientist U.S.

October 9, 2024 SENT VIA EMAIL - REQUEST DELIVERY RECEIPT mfoglia@williamsportsteelcontainer.com Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 2 290 BROADWAY NEW YORK, NY 10007-1866 December 19, 2022 VIA EMAIL Municipality of San Juan P.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 2 290 BROADWAY NEW YORK, NY 10007-1866 March 1, 2023 VIA ELECTRONIC MAIL Mr.

Resource Conservation and Recovery Act (RCRA) Compliance Evaluation Inspection (CEI) RYDER MEMORIAL HOSPITAL INC - HUMACAO PRR000026997 US Environmental Protection Agency - Region 2 Caribbean Environmental Protection Division (CEPD) Response and Remediation Branch (RRB) Resource Conservation and Recovery Act (RCRA) Compliance Evaluation Inspection (CEI) Facility Name: EPA ID Number: Completion Date: RYDER MEMORIAL HOSPITAL INC - HUMACAO PRR000026997 August 29, 2023 Generator Status in Record: RCRA Permitted: Corrective Action: Project ID Basis for Inspection: Non-Notifier1 No No CEPD-RCRA-23-0437 Core Program (COVID-19 protocols were in place while conducting this CEI)2 3 Facility Personnel: Name: Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III FOUR PENN CENTER - 1600 JOHN F.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 1600 John F.