Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) May 17-19, 2022 Air Clean Air Act Section 112(r) and 40 Code of Federal Regulations (C.F.R.)

EPA Inspection Report - Page 1 of 7 Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 04/18/2022 Air SIP, Title V Company Name: Facility Name: Facility Physical Location: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Evonik Corporation Reserve Plant 474 West 19th Street Reserve, LA, 70084 St.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 March 8, 2023 Corey Blanchard, Environmental Coordinator DuPont Specialty Products USA, LLC. 586 Highway 44 Laplace, Louisiana 70068 Sent via email to: corey.w.blanchard@dupont.com Re: Clean Air Act Notice of Violation and Opportunity to Confer Dear Mr.

Clean Air Act Asbestos NESHAP Compliance Evaluation Inspection Report Key Financial Center 702 West Idaho Street Boise, Idaho Inspection Date: November 6, 2024 Digitally signed by ALYSON ALYSON SKEENS SKEENS Date: 2025.01.14 08:09:09 -07'00' Report Author Signature Alyson Skeens Air Compliance Inspector EPA Region 8 ANDREW GREGORY Date: 2025.01.14 08:20:39 -09'00' Digitally signed by ANDREW GREGORY Peer Review Signature Andrew Gregory Air Compliance Inspector EPA Region 10 ELIZABETH WALTERS Date: 2025.01.14 21:59:47 -08'00' Digitally signed by ELIZABETH WALTERS Air Enforcement Section (AES) Manager Signature Elly Walters AES Section Manager EPA Region 10 Page 1 of 7 CAA Asbestos NESHAP Inspection Report - Key Financial Center, Boise, Idaho Table of Contents 1.

Clean Air Act Compliance Inspection Report United States Environmental Protection Agency Region 10 - Seattle, WA Clean Air Act Partial Compliance Evaluation Inspection Report NW Pipeline Compressor Stations Sumner, WA Snohomish, WA Inspection Dates: February 28 and March 1, 2024 JOHN PAVITT Date: 2024.03.26 08:37:39 -08'00' Digitally signed by JOHN PAVITT Report Author Signature Date John Pavitt Air Compliance Inspector, Region 10 Digitally signed by ALYSON ALYSON SKEENS SKEENS Date: 2024.03.26 09:42:34 -07'00' Peer Review Signature Date Alyson Skeens Air Compliance Inspector, Region 10 Digitally signed by JUSTIN JUSTIN SPENILLO SPENILLO Date: 2024.03.26 13:37:03 -07'00' Branch Manager Signature Date Justin Spenillo Air & Toxics Enforcement Acting Manager, Region 10 Page 1 of 21 NW Pipeline Compressor Stations, Sumner and Snohomish, WA Table of Contents Contents 1.

NPDES Compliance Inspection Report River City Redemix Salmon, Idaho NPDES Permit Tracking Number #IDR053220 Inspection Date: May 2, 2023 Prepared by: Charissa Bujak U.S.

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 11/22/2024 10:13 AM (PT) Announced: No 11/22/2024 03:50 PM (PT) Access: Granted 50F, Partly Cloudy Water Clean Water Act, NPDES, Stormwater - Industrial Compliance Evaluation Inspection Permittee Name Facility or Site Name Facility Physical Address City, State, Zip Code County Facility GPS Coordinates Rosboro, LLC Rosboro Lumber Company - Springfield Facility 2509 Main Street Springfield, Oregon 97477 Lane 44.043527, -122.991031 FRS ID Permit Number SICs 110000771200 ORR227182 2411 (Log Storage & Handling) 2421 (General Sawmills & Planing Mills) 2439 (Structural Wood Members, not elsewhere classified) Lead Inspector: RAYMOND ANDREWS Date: 2025.01.14 07:49:29 -08'00' Digitally signed by RAYMOND ANDREWS Raymond Andrews EPA Region 10 andrews.raymond@epa.gov (206) 553-4252 Supervisor Review: Contreras, Peter Peter Contreras EPA Region 10 Digitally signed by Contreras, Peter Date: 2025.01.14 08:03:42 -08'00' contreras.peter@epa.gov (206) 553-6708 Rosboro Lumber Company - Springfield Facility Permit # ORR227182 SECTION I - Opening Conference I arrived at the Rosboro Lumber Company - Springfield Facility (the "Site" or "Facility"), located at 2509 Main Street, Springfield, Oregon, at 10:13 AM (PT) on 11/22/2024 for an unannounced inspection.

Clean Air Act Compliance Inspection Report United States Environmental Protection Agency Region 10 - Seattle, WA Full Compliance Evaluation Washington Beef Yakama Nation Reservation Toppenish, WA Inspection Dates: March 19-20, 2024 Digitally signed by ZACHARY ZACHARY HEDGPETH HEDGPETH Date: 2024.05.28 13:30:24 -07'00' Report Author Signature Date Zach Hedgpeth, PE Environmental Engineer EPA Region 10 SARA CONLEY Peer Review Signature Digitally signed by SARA CONLEY Date: 2024.05.29 08:25:03 -07'00' Date Sara Conley Compliance Officer EPA Region 10 JUSTIN SPENILLO Date: 2024.05.29 10:11:36 -07'00' Digitally signed by JUSTIN SPENILLO Manager Signature Date Justin Spenillo Acting Supervisor, Air Enforcement Section EPA Region 10 Table of Contents 1.

July 29, 2024 Shane Parlette BIE Chemawa Indian School 3700 Chemawa Road N.E.

February 8, 2024 (b) (6) Big Sky N.

May 13, 2024 Ron Toulou Colville Confederated Tribes P.O.

November 22, 2024 Mr.

January 14, 2025 Jonalee Squeochs Yakama Nation Farms 8351 Mcdonald Rd Wapato, WA 98951 Failure to Monitor and/or Report December 2024 Total Coliform and Disinfectant Residual, Pepperfield Village, PWS ID 105307402 Dear Ms.

NPDES Compliance Inspection Report Federal Cartridge Company (Speer/CCI) Lewiston, Idaho NPDES Permit Tracking Number # IDR053179 Inspection Date: March 29, 2023 Prepared by: Vanessa Oquendo U.S.

NPDES Compliance Inspection Report Knife River Corporation Boise, Idaho NPDES Tracking Number: #IDR053188 Inspection Date: 9/16/2024 Prepared by: CJ Langlois U.S.