CEGIS Health.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 1650 Arch Street Philadelphia, Pennsylvania 19103-2029 Report Title: Inspection Date(s): Regulatory Program(s): Type of Activity: Facility Name: Permittee(s): Facility Operator: Permittee Address: Facility Address: Facility Latitude: Facility Longitude: County/Parish: Permit No: NAICS Code: SIC: Unique Project #: Clean Water Act Compliance Inspection Report 09/29/2021 National Pollutant Discharge Elimination System (NPDES) Industrial Stormwater Chemalloy Co., Inc.

This was an EPA lead inspection. 8) Facility Description CERF Shelby is a subsidiary of Archaea Energy.

ELECTRONIC MAIL CONFIRMATION OF EMAIL RECEIPT REQUESTED The Honorable Dexter Hinton Mayor of City of Marion P.O.

RCRA COMPLIANCE EVALUATION INSPECTION REPORT 1) Inspector and Author of Report Brooke York Environmental Engineer (404) 562-8025 york.brooke@epa.gov RCRA Enforcement Section EPA Region 4, AFC-10th Floor 61 Forsyth Street, SW Atlanta, Georgia 30303 2) Facility Information TAV Holdings, Inc. 3311 Empire Boulevard SW Atlanta, Georgia 30354 EPA ID # GAD033537663 3) Primary Contact Alex Camozzi, Director of Operations acamozzi@tavholdingsinc.net 4) Inspection Participants Heli Tello, TAV, Fabrication Inventory Manager Alex Camozzi, TAV, Director of Operations Bob Brown, TAV Richard Posey, GAEPD Solid Waste Lina Yazbak, GAEPD Industrial Stormwater Jaliyl Collins, GAEPD Industrial Stormwater Faney Foster, GAEPD Hazardous Waste Jeffrey Hargrove, GAEPD District Office David Champagne, EPA, Region 4 Brooke York, EPA, Region 4 5) Date of Inspection October 6, 2021 6) Applicable Regulations Chapter 391-3-11 of the Georgia Hazardous Waste Management Act, adopts and incorporates by reference 40 CFR Parts 260 - 266, 268, 270, 273 & 279.

This was an EPA lead inspection.

NPDES Inspection Report - Water Treatment Plant National Database Information Inspection Date: September 2, 2021 Inspection Type: CEI - Traditional Minor Entry/Exit Time: 13:10 / 18:40 NPDES ID Number: NDDW0004I NAICS Code: 22131 Inspection ID: 202109_NDDW0004I Lead inspector and affiliation: Lisa-kay Prideaux, EPA Inspector and affiliation: Emilio Llamozas, EPA Facility Location Information (Name/Location/ Mailing Address) Site/Facility Name & Location: White Shield Water Treatment Plant 1026 B 61 Avenue NW White Shield, ND 58540 Mail Report to: Fort Berthold Rural Water Attention: Pem Hall phall@mhanation.com Contact Information Facility Contacts: (indicate primary lead and present during inspection) Person/Company meeting definition of "Operator" per the permit type and relevant citation here Authorized Official(s) (Per NOI or SWPPP?)

. / Director / Crow Tribe Environmental Protection Program (not present) Harold Male Bear / Wyola District Representative / Crow Tribe Legislative Branch (present) To be determined (see report narrative for additional information) To be determined (see report narrative for additional information) Permit / Facility Information Permit on site and available: N/A - unpermitted Permit Application Date: N/A - unpermitted Permit Effective Date: N/A - unpermitted Permit Expiration Date: N/A - unpermitted Facility Latitude and Longitude: 45.133097, -107.391904 (lagoon) Receiving Water(s): N/A - non-discharging Weather Conditions: Partly cloudy Inspector's sources of information: ANHA representatives, AWWWA representatives, Crow Tribe representatives, IHS representatives, EPA records and databases, ANHA records, IHS records and databases, Google Maps aerial imagery, and inspection observations Areas Evaluated During Inspection Permit Self-Monitoring Program Records Compliance Schedule Facility Site Review Laboratory Effluent/Receiving Waters Operations and Maintenance Flow Measurement Sludge Handling/Disposal Pretreatment Pollution Prevention Stormwater Combined Sewer Overflow Sanitary Sewer Overflow Page 2 of 14 Report Review and Signature Lead Inspector Name/Signature/Final Date AKASH JOHNSON Digitally signed by AKASH JOHNSON Date: 2023.04.27 15:52:54 -06'00' Draft Date April 17, 2023 NPDES and Wetlands Enforcement Section Reviewer Name Review Date Stephanie Passarelli April 26, 2023 NPDES and Wetlands Enforcement Section Supervisor Reviewer Name/Signature/Approval Date EMILIO LLAMOZAS Digitally signed by EMILIO LLAMOZAS Date: 2023.04.27 14:39:02 -06'00' NPDES and Wetlands Enforcement Section Supervisor Contact Information U.S.

POSITION | CHEMICAL POLICY | RESTRICTION PFAS-Restriction Evaluation of the restriction proposal 24 April 2023 Background On 13 January 2023, the competent authorities from Germany, the Netherlands, Denmark, Sweden and Norway submitted a restriction dossier to restrict all PFAS (per- and polyfluoroalkyl substances).

Rivera, BSCE Date Lead Environmental Engineer Clean Water Act Team Multimedia Permits and Compliance Tel.: (787) 977-5842 Email: rivera.jose@epa.gov Tropical Shipping Construction Company Limited, LLC Inspection Report - March 29, 2023 NPDES Stormwater Reconnaissance Inspection Page 2 of 15 1.

Rivera, BSCE Date Lead Environmental Engineer Clean Water Act Team Multimedia Permits and Compliance Tel.: (787) 977-5842 Email: rivera.jose@epa.gov Tropical Shipping Construction Company Limited, LLC Inspection Report - September 8, 2022 NPDES Stormwater Reconnaissance Inspection Page 2 of 16 1.

Sincerely, EMILIO LLAMOZAS Date: 2021.10.12 11:45:50 -06'00' Digitally signed by EMILIO LLAMOZAS Emilio Llamozas NPDES and Wetlands Enforcement Section Enforcement and Compliance Assurance Division Enclosures: 1) NPDES Stormwater Inspection Report - Construction 2) Photo Log cc: The Honorable Mark Fox, Chairman, MHA Nation (via email) Lisa Lone Fight, Senior Scientific Advisor, MHA Nation (via email) Roger White Owl, Policy Advisor, Four Bears Segment (via email) Lane Vocu, Energy Liaison, Four Bears Segment (via email) Josh Cunningham, Water Quality Specialist, MHA Nation Environmental Department (via email) NPDES Stormwater Inspection Report - Construction National Database Information Inspection Date: September 2, 2021 Inspection Type: Stormwater Construction Entry/Exit Time: 8:00 am / 11:15 am NPDES ID Number: NDR10I01I NAICS Code: 212321 Inspection ID: 202109_NDR10I01I Lead inspector and affiliation: Emilio Llamozas, EPA Region 8 Inspector and affiliation: Lisa-kay Prideaux, EPA Region 8 Facility Location Information (Name/Location/ Mailing Address) Site/Facility Name & Location: Lakeview Aggregates 207 Highway 23 New Town, North Dakota 58763 Mail Report to: Edmund Baker MHA Nation Environmental Department edmundbaker@mhanation.com Contact Information Facility Contacts: (indicate primary lead and present during inspection) Person/Company meeting definition of "Operator" Authorized Official(s) (Per NOI or SWPPP?)

The inspectors met with Leonhard Wiegandt, Plant Manager; Brent Levey, Environmental Health Safety (EHS) Manager; Bill William Huston, Wastewater Treatment Plant Lead; and Paula Jacobs, New York State Department of Environmental Conservation (NYDEC), Environmental Program Specialist.

This inspection report and attachments present the results of the CEI. 2.0 PARTICIPANTS Keystone Electrical Manufacturing: Christopher Gendron, EHS Director - via video conference call (6 years with company) Patrick Oberg, Manufacturing Engineer (2 years with company) Jeffery Conroy, Operations Manager (6 months with company) Chris List, Director of Quality Assurance - Systems Control (5 years with company) Jonathan Eike, Paint Lead (1 year with company) Joe Maize, Maintenance (5 months with company) EPA: Mark Holcomb, Civil Investigator/Inspector (SEE) Amy Thompson, Inspector/Case Officer Koba Butkovich, Inspector/Case Officer 3.0 INSPECTION PROCEDURES On February 27, 2024, we arrived unannounced at the facility's main entrance at about 0900 hours.

Report Title: Inspection Date(s): Regulatory Program(s): Type of Activity: Facility Name: Permittee(s): Facility Operator: Facility Address: Lat/Long: County/Parish: Permit Number: NAICS & SIC Codes: Unique Project #: Clean Water Act Compliance Inspection Report 08/30/2023 National Pollutant Discharge Elimination System (NPDES) Pretreatment - POTW Inspection Butler Area Sewer Authority Wastewater Treatment Plant Butler Area Sewer Authority (BASA) Butler Area Sewer Authority (BASA) 100 Litman Rd, Butler, PA 16001 40.839183/ -79.920039 Butler PA0026697 221320/4952 3E23WN056A Facility Representative(s): Point of Contact Mason Miller - Pretreatment Coordinator - BASA Phone: (724) 282-1978 x 120 Email: mmiller@basapa.org EPA Inspectors: Aaron Thomson - EPA Inspector (3ED33) Phone: 215-814-2116 Email: Thomson.aaron@epa.gov Report Preparer Signature/Date AARON THOMSON Digitally signed by AARON THOMSON Date: 2024.01.23 09:39:20 -05'00' Aaron Thomson, Enforcement Officer NPDES Enforcement Section 2 (3ED33) Date Supervisor Signature/Date JESSICA DUFFY Digitally signed by JESSICA DUFFY Date: 2024.01.24 13:55:00 -05'00' Jessica Duffy, Section Chief NPDES Enforcement Section 2 (3ED33) Date Butler Area Sewer Authority Pretreatment Compliance Inspection 08/30/2023 Table of Contents I.