U.S.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At Wellman Dynamics 1746 Commerce Road Creston, IA 50801 (641) 782-0283 EPA ID Number: IAD065218737 On December 15, 2021 By Eastern Research Group, Inc.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At CLIMAX MOLYBDENUM COMPANY 2598 Hwy. 61 South Fort Madison, Iowa 52627 (319) 463-2245 EPA RCRA ID No.

REPORT OF OVERSIGHT PRETREATMENT INDUSTRIAL USER COMPLIANCE EVALUATION INSPECTION (IU-CEI) The Durham Company 1435 N.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At ADVANCED HEAT TREAT CORPORATION 2839 Burton Avenue Waterloo, Iowa 50703 319-291-3384 EPA ID Number: IAD056504186 On August 13, 2024 By TOEROEK ASSOCIATES, INC.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At WINDSOR WINDOWS & DOORS 900 S 19th Street West Des Moines, Iowa 50265 515-223-6660 EPA ID Number: IAD005301684 On January 30, 2024 By U.S.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At VAN DIEST SUPPLY COMPANY 1434 220th Street Webster City, Iowa 50595 (515) 832-7091 EPA RCRA ID No.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At New Heaven Chemicals Iowa LLC 1585 380th Street Manly, Iowa 50456 (507) 402-7256 EPA ID Number: Administrative On November 30, 2021 By U.S.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 8 1595 Wynkoop Street Denver, CO 80202-1129 Phone 800-227-8917 www.epa.gov/region08 Ref: 8ENF-W-NW SENT VIA EMAIL DIGITAL READ RECEIPT REQUESTED David Garrity Environmental Engineer National Institute of Standards and Technology david.garrity@nist.gov Re: Inspection Report for U.S.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 8 RESOURCE CONSERVATION AND RECOVERY ACT GENERAL INFORMATION Facility Name: Lexmark International Inc.

Ref: 8 Montana SENT VIA EMAIL DIGITAL READ RECEIPT REQUESTED Christopher M.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 8 1595 Wynkoop Street Denver, CO 80202-1129 Phone 800-227-8917 www.epa.gov/region08 Ref: 8ENF-W-NW SENT VIA EMAIL DIGITAL READ RECEIPT REQUESTED Patrick Maher Owner Maher Cattle LLC (b) (6) Re: Inspection Report for Maher Cattle LLC, Unpermitted Site Dear Mr.

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: 9:00 a.m.-9:51 a.m. on 8/20/2024 NPDES ID Number: SDG589508 NAICS Code: 221320 Inspection ID: 202408_SDG589508 Lead inspector and affiliation: Brit Rustad / EPA Region 8 Inspector and affiliation: Jennifer Ferrando / EPA Region 8 Facility Location Information Site/Facility Name & Location: Potato Creek Wastewater Treatment Facility Lat/Long: 4332'8.10"N, 10159'31.90"W (lagoon) Potato Creek Housing, Interior, SD 57750 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?

Ref: 8WD-SDB February 17, 2024 SENT VIA EMAIL DIGITAL READ RECEIPT REQUESTED Steven Terry, Water Specialist Hilliard Ward 50 East North Temple Street, 12th Floor Salt Lake City, Utah 84150-0012 drinkingwater@churchofjesuschrist.org Re: Notice of Noncompliance Revised Total Coliform Rule Failure to Complete Corrective Action from Level 2 Assessment PWS ID# WY5601491 NC Dear Steven Terry: The purpose of this letter is to inform you that Hilliard Ward has failed to complete the corrective action specified during your June 29, 2023, Level 2 Assessment as required by 40 C.F.R. 141.859141.860 of the National Primary Drinking Water Regulations (NPDWR).

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 8 1595 Wynkoop Street Denver, CO 80202-1129 Phone 800-227-8917 www.epa.gov/region8 Ref: 8WD-SDB September 4, 2023 SENT VIA EMAIL Mr.