UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 10 1200 Sixth Avenue, Suite 155 Seattle, WA 98101 ENFORCEMENT & COMPLIANCE ASSURANCE DIVISION Clean Air Act - Section 112(r) Risk Management Program and EPCRA 312 - Tier II Facility Inspection Report FACILITY INFORMATION: Name: CHS Inc. - Walla Walla Physical Address: 111 9th Street, Walla Walla WA 99362 Phone Number: 5093864532 Latitude/Longitude: 46.064683/ -118.350638 RMP Facility ID# 1000 0005 8616 FRS ID#: 110070725918 EJ Concerns: Yes (96%) CONTACT INFORMATION (RMP Implementation): Name: Dan Andersen, EHS Director Phone Number: (509) 525-6690 E-mail: co.compliance@chsinc.com EMERGENCY CONTACT INFORMATION: Name: Richard Beckman Phone (24-hr): 509-629-1552 E-mail: richard.beckman@chsinc.com Website: https://www.chsinc.com/ TRIP DETAILS: Inspection Date: Inspection Time: Inspectors: May 18, 2023 09:00 through 12:00 Terry Garcia, US EPA Region 10 SEE Grantee, Lead RMP Inspector Peter Phillips, US EPA Region 10 SEE Grantee, RMP Inspector Edward Johannes, US EPA Region 10 SEE Grantee, RMP Inspector DATE AND PROGRAM LEVELS OF SUBMITTED RMP: Initial Submission Date: June 16, 2009 Date of Latest Update: August 2, 2021 Page 1 of 7 Process (Program 1, 2, 3) as reported in RMP: Process ID Description Process Chemical ID NAICS Code 1000118050 1000118050 NH3 reacting to Aqua Amm.

Clean Air Act Compliance Inspection Report United States Environmental Protection Agency Region 10 - Seattle, WA Clean Air Act Partial Compliance Evaluation Inspection Report Gas Transmission Northwest LLC Grass Valley, Oregon Madras, Oregon Bend, Oregon Inspection Dates: July 19-20, 2022 JOHN PAVITT Report Author Signature Digitally signed by JOHN PAVITT Date: 2022.09.16 11:26:08 -08'00' Date John Pavitt CAA Inspector EPA Region 10 DANIEL HEINS Peer Review Signature Digitally signed by DANIEL HEINS Date: 2022.09.16 12:36:50 -07'00' Date Daniel Heins CAA Inspector EPA Region 10 DERRICK TERADA Digitally signed by DERRICK TERADA Date: 2022.09.16 12:45:47 -07'00' Section Chief Signature Date Derrick Terada Acting ATES Section Chief EPA Region 10 GTN Compressor Stations 10-12 July 19-20, 2022 Table of Contents Contents I.

Clean Air Act Compliance Inspection Report United States Environmental Protection Agency Region 10 - Seattle, WA Clean Air Act Partial Compliance Evaluation Emission Test Observation City of Lynnwood Wastewater Treatment Facility Edmonds, Washington Inspection Date: October 12 and 13, 2022 Digitally signed by SARA SARA CONLEY CONLEY Date: 2023.02.13 10:27:48 -08'00' Report Author Signature Sara Conley Inspector EPA Region 10 ROYLENE CUNNINGHAM Date Digitally signed by ROYLENE CUNNINGHAM Date: 2023.02.13 11:58:08 -08'00' Peer Review Signature Roylene Cunningham Enforcement Officer EPA Region 10 DERRICK TERADA Manager Signature Derrick Terada Air Compliance Manager EPA Region 10 Date Digitally signed by DERRICK TERADA Date: 2023.02.13 12:56:07 -08'00' Date 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 East Side Plating, Inc.

Clean Air Act - Section 112(r) Risk Management Program and EPCRA 312 - Tier II Facility Desk Audit Report FACILITY INFORMATION: Name: CHS Inc. - Craigmont Physical Address: 707 E.

Clean Air Act Compliance Inspection Report United States Environmental Protection Agency Region 10 - Seattle, WA Clean Air Act Full Compliance Evaluation Inspection Report Timber Products Company Limited Partnership ("Timber Products") Medford, OR 97501 Inspection Date: July 13 - 14, 2022 Steve Rapp Report Author Signature Steven Rapp Senior Engineer Eastern Research Group, Inc.

July 15, 2024 Charisse Soucie Burns Paiute Tribe 100 Pasigo St.

February 9, 2024 Bob Smith Hoh Tribe P.O.

REGION 10 SEATTLE, WA 98101 RETURN RECEIPT REQUESTED Mr.

February 16, 2024 Gary Pierce Yakama Nation Land Enterprise Po Box 151 Toppenish, WA 98948 Failure to Monitor and/or Report January 2024 Total Coliform and Disinfectant Residual, B & D Mobile Court, PWS ID 105300073 Dear Mr.

Colleen Zimmerman Public Employees for Environmental Responsibility 962 Wayne Avenue, Suite 610 Silver Spring, MD 20910 Re: Freedom of Information Act Request 2025-EPA-06517 Dear Ms.

EPA Region 10 Enforcement and Compliance Assurance Division Clean Water Act (CWA) Inspection Report Inspection Entry Date/Time Inspection Exit Date/Time Media Statute(s)/Program(s) Type of Inspection 05/17/2023 9:00 AM (PT) Announced: Yes 05/17/2023 11:30AM (PT) Water Clean Water Act, NPDES, Wastewater - Industrial CEI - Compliance Evaluation Inspection Permittee Name Facility Physical Address City, State, Zip Code Facility GPS Coordinates Facility Owner Facility Owner Address City, State, Zip Code Sierra Pacific Industries - Eugene Plant 90201 Highway 99 North Eugene, Oregon 97402 44.110581 N -123.179096 W Sierra Pacific Industries P.O.

NPDES Compliance Inspection Report Entiat National Fish Hatchery NPDES Permit Tracking Number # WAG130002 Inspection Date: July 19, 2023 Prepared by: Vanessa Oquendo U.S.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 10 1200 Sixth Avenue, Suite 155 Seattle, WA 98101 WATER DIVISION February 6, 2023 Ms.

Washington CAFO Evaluations | 2024 WASHINGTON CAFO INSPECTION REPORT GENERAL INFORMATION Facility ID #: N/A - unpermitted CAFO Inspector: Sirese Jacobson and Chris Pardo (ERG) Facility Name: Riverview Ranch Inspection Date: August 23, 2024 Facility Owner: Gary Visser, DVM Time in: 8:40 AM Facility Operator: Jason Smeenk Time out: 11:45 AM Mailing Address: 1220 Vance Rd, Weather: Cloudy, approx. 70 F Mabton, WA 98935 GPS Coordinates Physical Address: 1220 Vance Rd, North: 46.229368 Mabton, WA 98935 West: -119.983434 County: Yakima Contact Person: Jason Smeenk Phone: (office): (509) 728-5008 E-mail: smeenkdairy@gmail.com Persons Present During Inspection: Jason Smeenk (Riverview Ranch); Obadiah Sheriff (Washington State Department of Agriculture [WSDA]); Sirese Jacobson and Chris Pardo (Eastern Research Group [ERG], EPA contractors); Jon Klemesrud (U.S.