REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At Clean Harbors Environmental Services, Inc. 2247 South Highway 71 Kimball, Nebraska 69145 (308) 235-8260 EPA ID Number: NED981723513 On August 27-29, 2024 By U.S.

U.S.

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

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At FEDERAL-MOGUL IGNITION LLC 3009 Sylvania Drive Burlington, Iowa 52601 319-768-5907 EPA ID Number: IAD000805143 On January 12, 2022 By TOEROEK ASSOCIATES, INC.

REPORT OF CONSTRUCTION STORMWATER COMPLIANCE EVALUATION INSPECTION (CEI) AT Cedar Grove Research Park Drive and Legends Drive Lawrence, KS 66049 NPDES NO: KSR113296 February 22, 2021 BY U.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At BARRETT PLATING 2100 NE 60th Avenue Des Moines, Iowa 50313 (515) 262-4072 EPA RCRA ID No.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At Amazon.Com Services LLC - SNE1 3860 South 24th Street Council Bluffs, Iowa 51501 800-575-0171 EPA ID Number: IAR000527465 On October 21, 2024 By TOEROEK ASSOCIATES, INC.

VIA ELECTRONIC TRANSMITTAL RETURN RECEIPT REQUESTED Email: fitzpatrick.timmery@cleanharbors.com Timmery Fitzpatrick Clean Harbors Environmental Services, Inc.

NPDES Inspection Report - Pretreatment Categorical Industrial User National Database Information Inspection Entry Date/Time: March 27, 2024 / 14:00 Inspection Closing Date/Time: March 27, 2024 / 15:08 Inspection Type: Pretreatment Categorical Industrial User (CIU) NPDES ID Number: MTPF00104 Inspection ID: 202403_MTPF00104 Lead inspector and affiliation: Lisa-kay Prideaux / EPA Region 8 Montana Operations Office Facility Location Information (Name/Location/ Mailing Address) Site/Facility Name & Location: Mail Report (Electronic Delivery) to: Boulder River Foundry Randy Rembold, Owner 151 Centennial Drive Boulder River Foundry Big Timber, Montana 59011 randy@boulderriverfoundry.com 45.838424N; -109.940753W Contact Information Person/Company meeting definition of Owner/Operator Facility Contacts: Name(s)/Title Boulder River Foundry Randy Rembold / Boulder River Foundry / Owner (present during inspection) Kirk Bryan / Boulder River Foundry / Owner (not present) Robert Bryan / Boulder River Foundry / Owner (not present) Phyllis Bryan / Boulder River Foundry / Owner (not present) Lucinda Bryan / Boulder River Foundry / Owner (not present) Authorized Official(s) Randy Rembold / Boulder River Foundry / Owner Areas Evaluated During Inspection Permit Effluent/Receiving Waters Records/Reports Flow Measurement Facility Site Review Self-Monitoring Program Stormwater Operations and Maintenance Compliance Schedule Pollution Prevention Laboratory Pretreatment Boulder River Foundry - permit #MTPF000104 NPDES Pretreatment Categorical Industrial User Page 1 of 6 Report Review and Signature Drafter Name Address/Phone Number Prideaux Prideaux, LisaKay Operations Office Digitally signed by U.S.

NPDES Inspection Report - Wastewater Treatment Facility National Database Information Inspection Date: September 10, 2024 Inspection Type: CEI - Wastewater Treatment Facility Entry/Exit Time: NPDES ID Number: Opening Conference: 8:00 a.m. - 9:00 a.m.

U.S.

Monitoring Violations Annual Notice IMPORTANT INFORMATION ABOUT YOUR DRINKING WATER Monitoring Requirements Not Met for PWS ID# WY5601513 Our water system violated drinking water requirements over the past year.

Ref: 8WD-SDR February 20, 2025 SENT VIA EMAIL Ryan Brandt, Owner Chief Joseph RV Park (Mountain Man, LLC) 1191 Road 9 Powell, Wyoming 82435 mountainmllc@gmail.com Re: Notice of Noncompliance Nitrate Rule Failure to Monitor PWS ID# WY5601552 NC Dear Ryan Brandt: The purpose of this letter is to inform you that Chief Joseph RV Park (Mountain Man, LLC) has failed to conduct the required monitoring of nitrate water samples at facility/sample point(s) SS01/SP01.

Ref: 8WD-SDR November 15, 2024 SENT VIA EMAIL Nathan Ferrell, General Manager Targhee Village Golf Course P.

Ref: 8WD-SDR June 28, 2024 SENT VIA EMAIL Robert Woodbrey, Facilities Manager LDS - Buffalo Ridge Church P.O.