RCRA Inspection Report 1) Inspector and Author of Report Brooke York Environmental Engineer york.brooke@epa.gov Robert Nakamoto Environmental Engineer nakamoto.robert@epa.gov 2) Facility Information U.S.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 4 ATLANTA FEDERAL CENTER 61 FORSYTH STREET ATLANTA, GEORGIA 30303-8960 ELECTRONIC MAIL CONFIRMATION OF RECEIPT EMAIL REQUESTED Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 DATE: SUBJECT: FROM: THRU: TO: August 19, 2021 CLEAN AIR ACT INSPECTION REPORT GCP Applied Technologies, Bedford Park, IL Brittany Cobb, Environmental Engineer AECAB (MI/WI) Sarah Marshall, Section Chief AECAB (MI/WI) File BASIC INFORMATION Facility Name: GCP Applied Technologies Facility Location: 6051 W 65th St., Bedford Park, IL 60638 Date of Inspection: 6/28/2021 EPA Inspector(s): 1.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 SUBJECT: FROM: THRU: TO: CLEAN AIR ACT INSPECTION REPORT Carlisle Construction Materials, Inc., Greenville, Illinois Tess Russell, Environmental Engineer AECAB (MN/OH) Brian Dickens, Section Supervisor AECAB (MN/OH) File BASIC INFORMATION Facility Name: Carlisle Construction Materials, Inc.

MEMORANDUM SUBJECT: CLEAN AIR ACT INSPECTION REPORT Essex Furukawa, Fort Wayne, Indiana FROM: Justin Smith, Environmental Engineer AECAB (IL/IN) THRU: Nathan Frank, Section Supervisor AECAB (IL/IN) TO: File BASIC INFORMATION Facility Name: Essex Furukawa Facility Location: 1601 Wall Street and 1700 West Swinney Ave, Fort Wayne, Indiana 46802 Date of Inspection: August 20, 2024 EPA Inspector(s): 1.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 SUBJECT: FROM: THRU: TO: CLEAN AIR ACT INSPECTION REPORT Evraz, Denver, Colorado Natalie Schulz, Environmental Engineer AECAB (MN/OH) Brian Dickens, Section Supervisor AECAB (MN/OH) File BASIC INFORMATION Facility Name: Evraz Facility Location: 5601 York Street, Denver, Colorado 80216 Date of Inspection: June 21, 2022 EPA Inspector(s): 1.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 DATE: SUBJECT: FROM: THRU: TO: See Date of Section Chief Signature Below CLEAN AIR ACT INSPECTION REPORT Mondelez Global LLC, Chicago, IL 60629 Karyn DeFranco, Inspector AECAB (MN/OH) Brian Dickens, Section Chief AECAB (MN/OH) File BASIC INFORMATION Facility Name: Mondelez Global LLC Facility Location: 7300 South Kedzie Avenue Date of Inspection: 08/10/2021 EPA Inspector(s): 1.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 SUBJECT: FROM: THRU: TO: CLEAN AIR ACT INSPECTION REPORT Seneca Foods, Baraboo, Wisconsin Emma Leeds, Environmental Engineer AECAB (IL/IN) Nathan Frank, Section Supervisor AECAB (IL/IN) File BASIC INFORMATION Facility Name: Seneca Foods Facility Location: 801 Sauk Ave, Baraboo, WI 53913 Date of Inspection: 5/12/2022 EPA Inspector(s): 1.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 SUBJECT: FROM: THRU: TO: CLEAN AIR ACT INSPECTION REPORT Gateway Energy & Coke Company, LLC c/o SunCoke Energy, Granite City, Illinois Carlo Demma, Physical Scientist (Env.)

SUBJECT: FROM: THRU: TO: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 CLEAN AIR ACT INSPECTION REPORT Vertex Chemical Company, Dupo, Illinois Charles Hall, Environmental Engineer AECAB (MN-OH) Brian Dickens, Section Chief AECAB (MN-OH) File, Vertex Chemical Company, Dupo, Illinois BASIC INFORMATION Facility Name: Vertex Chemical Company, Dupo, Illinois Facility Location: 3101 Carondelet Avenue, Dupo, Illinois 62239 Date of Inspection: April 28, 2022 EPA Inspector: 1.

CWA INSPECTION REPORT U.S.

U.S.

Andeavor Field Services LLC - Coyote Wash Compressor Station Off-Site Full Compliance Evaluation (FCE) Inspection Date: Inspection Report Date: EPA Representatives: Tribal Representatives: Company Representatives: Inspection Report Prepared By: Inspection Report Reviewed By: Last Inspection: Operating Status: Applicable Requirements: September 2, 2021 October 29, 2021 Sara Loiacono, Environmental Scientist, Enforcement and Compliance Assurance Division, Air and Toxics Enforcement Branch, US EPA Region 8 N/A Thomas Gibbons, HES Professional, MPLX Kenan Bisic, HES Professional, MPLX Sara Loiacono, Environmental Scientist, US EPA Region 8 Scott Patefield, Chief, Enforcement and Compliance Assurance Division, Air and Toxics Enforcement Branch Patefield, Scott Digitally signed by Patefield, Scott Date: 2021.10.29 16:22:55 -06'00' March 12, 2019 Operating Title V 40 CFR Part 60, Subpart JJJJ: Standards of Performance for New Stationary Sources (NSPS JJJJ) 40 CFR Part 63, Subpart ZZZZ: National Emissions Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (MACT ZZZZ) Consent Decree Case No. 2:08-CV-00167-TS-PMW Permit Number: V-UO-000015-2018.00 Replaces Permit No.: V-UO-000015-2006.00 Issue Date: May 13, 2020 Effective Date: June 12, 2020 Expiration Date: June 12, 2025 Facility Information and Emission Unit Identification Parent Company Name: Mailing Address: Facility Contact: Facility Operator & Name: MPLX LP (MPLX)1 1515 Arapahoe Street, Tower, Suite 1600, Denver, Colorado 80202 Thomas Gibbons, HES Professional (303) 454-6685 Andeavor Field Services LLC (Andeavor)2 1 MPLX is the parent company of Andeavor Field Services LLC. 2 According to information provided via email by Mr.

Arkoma Operations LLC- Helton Well Pad Full Compliance Evaluation (FCE) On-Site Clean Air Act (CAA) Inspections Inspection Date: June 27, 2022 Inspection Report Date: July 21, 2022 EPA Representatives: Alexis North Tribal Representatives: David Heermance, Meredith Breeden, Drew Switzer Company Representatives: None onsite during inspection.

DELIA GARCIA Digitally signed by DELIA GARCIA Date: 2022.02.02 09:11:12 -06'00' NICOLE MORAN Date: 2022.02.02 09:28:59 -06'00' Digitally signed by NICOLE MORAN