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.

REPORT OF CONSTRUCTION STORMWATER COMPLIANCE EVALUATION INSPECTION (CEI) At DeVerger Lake (b) (6) De Soto, MO 63020 NPDES Permit: unpermitted On October 12, 2023 By U.

REPORT OF COMPLIANCE EVALUATION INSPECTION AT Greene County - Kansas Expressway Extension Phase 2 Right of Way Corridor from Plainview Road to Farm Road 190 Springfield, Missouri, 65810 Greene County NPDES Permit # MOR100040 ON August 12 and 13, 2024 BY U.S.

OFF-SITE PARTIAL COMPLIANCE INSPECTION FOR THE CLEAN AIR ACT (CAA) NON-FINANCIAL RECORDS REVIEW FOR THE RESOURCE CONSERVATION AND RECOVERY ACT (RCRA) September 10, 2020 BASIC INFORMATION Facility Name: Sinclair Casper Refining Company Date of Opening Conference: June 26, 2020 CAA ID: WY000000560200005 RCRA ID: WYD048743009 Date Records Received: July 14, 2020 Facility Location: 5700 E Highway 20/26 Casper, Wyoming, 82609 Date Records Review Completed: August 12, 2020 Facility Contact: Bruce Sowers, Environmental, Health, and Safety Manager; bsowers@sinclairoil.com Date Evaluation Completed: September 9, 2020 CAA Status: Title V Major Source, National Emissions Standards for Hazardous Air Pollutants (NESHAP) Major Source RCRA Notification Status: Treatment, storage, and disposal facility, Large Quantity Generator Lead Inspector: Cindy Schafer, Environmental Engineer, U.S.

REPORT OF PRETREATMENT COMPLIANCE INSPECTION (PCI) City of Iowa City, Iowa 4366 Napoleon Street NE Iowa City, Iowa, 52240 NPDES Permit No.: IA0070866 BY U.S.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At TITAN TIRE CORPORATION 2345 E.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At UNIVERSITY OF IOWA - MAIN CAMPUS 200 Newton Road 107 HLHS Iowa City, Iowa 52242 (319) 335-4625 EPA ID Number: IAD062761671 On May 30 and 31, 2024 By TOEROEK ASSOCIATES, INC.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At INDUSTRIAL LAMINATES/NORPLEX INC. 665 Lybrand Street Postville, Iowa 52162 563-864-4232 EPA ID Number: IAD073489288 On June 14, 2022 By TOEROEK ASSOCIATES, INC.

From: To: Cc: Subject: Date: Attachments: Harris, Jamie S.

Pretreatment Audit Report City and County of Butte-Silver Bow MT-0022012 Butte, Montana August 14, 2023 to August 16, 2023 Prepared by: Al Garcia, Pretreatment Coordinator U.S.

NPDES Inspection Report - Wastewater Treatment Facility National Database Information Inspection Date: May 16, 2023 Inspection Type: CEI - Wastewater Treatment Facility Entry/Exit Time: 9:00 am / 12:10 pm NPDES ID Number: NDG589205 NAICS Code: 221320 Inspection ID: 202305_NDG589205 Lead inspector and affiliation: Stephanie Meyers / EPA Region 8 Inspector and affiliation: Brit Rustad / EPA Region 8 Facility Location Information (Name/Location/ Mailing Address) Site/Facility Name & Location: Tokio Wastewater Treatment Facility NE1/4 NW1/4 S11 T151N R64W Tokio, ND 58379 Email Report to: Alfred Thompson Jr.

NPDES Inspection Report - Wastewater Treatment Facility National Database Information Inspection Date: May 16, 2023 Inspection Type: CEI - Wastewater Treatment Facility Entry/Exit Time: 9:00 am / 3:30 pm NPDES ID Number: NDG589201 NAICS Code: 221320 Inspection ID: 202305_NDG589201 Lead inspector and affiliation: Stephanie Meyers / EPA Region 8 Inspector and affiliation: Brit Rustad / EPA Region 8 Facility Location Information (Name/Location/ Mailing Address) Site/Facility Name & Location: West Acres Wastewater Treatment Lagoon P.O.

NPDES Inspection Report - Wastewater Treatment Facility National Database Information Inspection Date: September 11, 2024 Inspection Type: CEI - Wastewater Treatment Facility Entry/Exit Time: 11:30 am - 12:50 pm NPDES ID Number: SDG589801 NAICS Code: 221320 Inspection ID: 202409_SDG589801 Lead inspector and affiliation: Stephanie Passarelli / EPA Region 8 Inspector and affiliation: Stephanie Meyers / EPA Region 8 Facility Location Information Site/Facility Name & Location: Dakota Sioux Casino WWTF Lake Traverse Reservation, South Dakota Lat/Long: 45 0' 12.67" N, 97 9' 17.10" W Email Report to: Chad Frevert, Compliance Safety Officer Dakota Sioux Casino & Hotel cfrevert@dakotasioux.com Contact Information Facility Contacts: Person/Company meeting definition of "Operator" Authorized Official(s) Name(s)/Title Chad Frevert / Compliance Safety Officer / Dakota Sioux Casino & Hotel Tim Peters / Facilities Manager / Dakota Sioux Casino & Hotel Dakota Sioux Casino & Hotel Chad Frevert / Compliance Safety Officer / Dakota Sioux Casino & Hotel Permit Information Is the permit on site and available?

NPDES Inspection Report - Wastewater Treatment Facility National Database Information Inspection Date: August 23, 2023 Inspection Type: CEI - Wastewater Treatment Facility Entry/Exit Time: Opening Conference: 08:30 am-10:30 am, August 22, 2023 Site Review: 9:06 am-10:48 am, August 23, 2023 NPDES ID Number: NDG589410 NAICS Code: 221320 Inspection ID: 202308_NDG5890410 Lead inspector and affiliation: Brit Rustad / EPA Region 8 Inspector and affiliation: Akash Johnson / EPA Region 8 Facility Location Information Site/Facility Name & Location: Ojibwa Millennium School Wastewater Treatment Facility Lat/Long: 48 48' 38.30" N, 99 46' 49.14" W Rolette County, ND 58316 Email Report to: Kenny Azure, Director, TMPUC puckenny@utma.com Contact Information Name(s)/Title Kenny Azure / Director / TMPUC / present for part of opening conference Facility Contacts: Person/Company meeting definition of "Operator" Authorized Official(s) (Per NOI?)

NPDES Inspection Report - Wastewater Treatment Facility National Database Information Inspection Date: August 20, 2024 Inspection Type: CEI - Wastewater Treatment Facility Entry/Exit Time: Opening Conference: 9:15 a.m.-1:30 p.m. on 8/19/2024 Site Review: 10:49 a.m.-11:55 a.m. on 8/20/2024 NPDES ID Number: SDG589514 NAICS Code: 221320 Inspection ID: 202408_SDG589514 Lead inspector and affiliation: Brit Rustad / EPA Region 8 Inspector and affiliation: Jennifer Ferrando / EPA Region 8 Facility Location Information Site/Facility Name & Location: Wanblee Community Wastewater Treatment Facility Lat/Long: 4334'19.30"N, 10138'45.50"W (lagoon) Wanblee, SD 57577 Email Report to: Ernie Abold, Director, Oglala Sioux Tribe (OST) Water & Sewer h20sewer@gwtc.net Contact Information Facility Contacts: Person/Company meeting definition of "Operator" Authorized Official(s) Name(s)/Title Ernie Abold / Director / OST Water & Sewer / present during the opening and closing conferences as well as the inspection James Begeman / Tribal Utility Consultant / Indian Health Service (IHS) / present during the opening and closing conferences as well as the inspection Oglala Sioux Tribe, Water and Sewer (OST Water & Sewer) Ernie Abold / Director / OST Water & Sewer Permit Information Is the permit on site and available?