UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III Four Penn Center - 1600 John F Kennedy Blvd Philadelphia, Pennsylvania 19103-2852 Report Title: Inspection Date(s): Regulatory Program(s): Clean Air Act Inspection of Aggregate Industries 12/08/2022 NSPS, SIP Company Name: Facility Name: Facility Location: Latitude: County/Parish: Aggregate Industries Aggregate Industries- Kirby Road Asphalt Facility 5411 Kirby Road Clinton, MD 20735 38.78183 Longitude: -76.91517 Prince George County AFS Number: Permit Number: NAICS Code: Unique Project #: MD0000002403300002 #033-0002 324121 3E23CA030A SIC: N/A Facility Representatives: Point of Contact Tim Bevard, Advisor Phone: 301-580-5206 Contact: Tim.bevard@holcim.com Bobby Bean, Area Manager Phone: 240-205-5424 Contact: Bobby.bean@aggregate-us.com Hakeem Bridgewater, Aggregate Industries Phone: 443-734-4415 Kathryn Gunkel, Environmental Consultant, Wilwood Environmental Engineering Phone: 443-340-9654 Contact: wildwoodenvironmental@comcast.net EPA Inspectors: Stafford Stewart, Environmental Engineer, 3ED21 Phone: 215-814-5352 Contact: stewart.stafford@epa.gov Bruce Augustine, Environmental Scientist, 3ED21 Phone: 215-814-2131 Contact: augustine.bruce@epa.gov State/Local Inspectors: Andrew Bena, MDE Inspector Phone: 443-202-6715 Contact: andrew.bena1@maryland.gov STAFFORD STAFFORD STEWART Digitally signed by EPA Lead Inspector STEWART Date: 2023.01.17 08:48:56 -05'00' Signature Stafford Stewart Four Penn Center - 1600 John F Kennedy Blvd (3ED21) Philadelphia, PA 19103-2852 PAUL Digitally signed by PAUL ARNOLD Supervisor ARNOLD Date: 2023.01.17 09:55:19 -05'00' Signature Paul Arnold Date Date Section Table of Contents Page I Introduction............................................................................ 3 A Summary of the Facility.................................................................................. 3 B Inspection Opening Conference...................................................................... 3 II Site Activity/Process Information.................................................................... 4 III Observations.................................................................................................... 5 IIII Records Review............................................................................................... 7 V Closing Conference......................................................................................... 8 VI List of Attachments.......................................................................................... 10 Unique Project #: 3E23CA030A Page 2 of 10 I.

Report Title: Inspection Date(s): Regulatory Program(s): Company Name: Facility Name: Facility Location: Latitude: County/Parish: AFS/ICIS-Air Number: Permit Number: NAICS Code: Unique Project #: Clean Air Act Inspection of Frederick County Regional Landfill 11/08-09/2023 SIP, NSPS, MACT N/A Frederick County Regional Landfill 280 Landfill Road Winchester, VA 22638 39.14513 Longitude: Frederick -78.10098 VA0000005106900127 VRO81312 562212 SIC: ECAD-52 4953 Facility Representatives*: Point of Contact Andrew Clark, Environmental Manager Phone: 540-665-5658 Email: aclark@fcva.us Ron Kimble, Landfill Manager Phone: 540-665-5658 Email: rkimble@fcva.us *Additional facility representatives identified in report body and/or on attached sign in sheet EPA Inspectors: Alex Everhart, Environmental Scientist, 3ED21 Phone: 215-814-2114 Email: Everhart.Alex@epa.gov Carly Joseph, Life Scientist, 3ED21 Phone: 215-814-2127 Email: Joseph.Carly@epa.gov State/Local Inspectors: Darren Shelhamer, Air Compliance Inspector, VADEQ Phone: 540-217-7027 Email: Darren.Shelhamer@deq.virginia.gov Unique Project #: 3E23CA9A EPA Lead Inspector Signature Supervisor Signature ALEX EVERHART Digitally signed by ALEX EVERHART Date: 2024.01.08 06:35:56 -05'00' Alex Everhart 1600 John F Kennedy Blvd Philadelphia, PA 19103-2852 KRISTEN Digitally signed by KRISTEN HALL HALL Date: 2024.01.08 06:33:06 -05'00' Kristen Hall Date Date 2 Unique Project #: 3E23CA9A Table of Contents I.

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: Facility Address: Latitude: County/Parish: Permit Number: NAICS Code: Unique Project #: Clean Water Act Compliance Inspection Report 09/02/2021 To or Blank Last day or Space National Pollutant Discharge Elimination System (NPDES) Industrial Stormwater Tri Gas & Oil Company, Inc.

ELECTRONIC MAIL DELIVERY RECEIPT REQUESTED Xinying Wang Senior Environmental Engineer LyondellBasell Industries Holdings 8805 North Tabler Road Morris, Illinois 60450 xinying.wang@LYB.com November 20, 2024 Re: Notice of Violation Equistar Chemicals LP Facility ID: ILD048296180 Morris, Illinois Dear Ms.

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Clean Water Act Section 404: Site Visit/Case Development For inspections authorized pursuant to Clean Water Act sections 308 and 404 (33 U.S.C. 1318 and 1344) This report includes only factual information gained by documentation, onsite observations, and/or onsite interviews.

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Petro-Hunt L.L.C. - Various Well Pads Partial Compliance Evaluation (PCE) On-Site Clean Air Act (CAA) Inspections Inspection Date(s): October 21-22, 2024 Inspection Report Date: December 27, 2024 US EPA Region 8 Representatives: Katelyn Bergl, Clean Air Act Inspector Youn Joo Kim, Clean Air Act Inspector Taylor Waanders, Clean Air Act Inspector North Dakota Division of Russel Martin, Inspector Air Quality Representatives: Myles Erb, Inspector Company Representatives: None Inspection Report Prepared Katelyn Bergl By: Youn Joo Kim Inspection Report Reviewed By: Applicable Rules: Scott Patefield, Manager, Enforcement and Compliance Assurance Division, Air and Toxics Enforcement Branch SCOTT PATEFIELD Date: 2024.12.27 15:19:10 -07'00' Digitally signed by SCOTT PATEFIELD North Dakota Administrative Code, Title 33.1, Article 15, as incorporated into North Dakota's EPA-approved State Implementation Plan at 40 C.F.R.