CWA COMPLIANCE EVALUATION INSPECTION REPORT U.S.

EPA REGION 5 Enforcement and Compliance Assurance Division INSPECTION REPORT Inspection Entry Date/Time Inspection Exit Date/Time Weather Media Statute(s)/Program(s) Type of Inspection 09/06/2023 12:22 PM (CT) Announced: Yes 09/06/2023 03:45 PM (CT) Access: Granted Cloudy/rain Water Clean Water Act, NPDES, WWTP Compliance Evaluation Inspection (CEI) Permittee Name Facility Names Facility Physical Address City, State, Zip Code County Facility GPS Coordinates Mailing Address (If different) City, State, Zip Code Forest County Potawatomi Community 1) Crandon Recirculating Sand Filter/Stone Lake WWTP; and 2) Carter Wastewater Treatment Facility 1) Hwy 8 East; 2) Hwy 32 S 1) Crandon, WI; 2) Carter, WI Forest County 1) 45.56948, -88.85437499; 2) 45.40145833, -88.62622499 Forest County Potawatomi Community P.O.

CWA COMPLIANCE EVALUATION INSPECTION REPORT U.S.

CAA112(r) INSPECTION REPORT Name: Agricultural Services Address: 205 S. 5th Street, Page, NE 68766 Date of Inspection: September 20, 2023 County: Holt Case No: 23NE0920 Phone: 402-338-5580 RMP No: 1000 0011 2594 (deregistered) High Risk: No FRS No: 1100 3827 6503 CAA Title V: No Program Level: Not applicable Mailing Address: P.O.

United States Environmental Protection Agency Region 7 Enforcement and Compliance Assurance Division Air Branch Inspection Report Unannounced Full Compliance Evaluation Mahle Engine Components USA, Inc.

Devon Energy Corporation - Various Well Pads Partial Compliance Evaluation (PCE) On-Site Clean Air Act (CAA) Inspections Inspection Date(s): October 22, 2024 Inspection Report Date: December 27, 2024 US EPA Region 8 Representatives: Katelyn Bergl, Clean Air Act Inspector Youn Joo Kim, Clean Air Act Inspector Taylor Waanders, Clean Air Act Inspector North Dakota Division of Russel Martin, Inspector Air Quality Representatives: Myles Erb, Inspector Company Representatives: None Inspection Report Prepared Katelyn Bergl By: Youn Joo Kim Inspection Report Reviewed By: Applicable Rules: Scott Patefield, Manager, Enforcement and Compliance Assurance Division, Air and Toxics Enforcement Branch SCOTT PATEFIELD Date: 2024.12.27 14:54:36 -07'00' Digitally signed by SCOTT PATEFIELD North Dakota Administrative Code, Title 33.1, Article 15, as incorporated into North Dakota's EPA-approved State Implementation Plan at 40 C.F.R.

United States Environmental Protection Agency Region 7 Enforcement and Compliance Assurance Division Air Branch Inspection Report Unannounced Partial Compliance Evaluation Doe Run - Buick Resources Recycling Facility 18594 Highway KK Boss, MO 65440 FRS# 110017990478 Inspection Date(s): June 6, 2023 Luke Rodriguez, Inspector, ECAD, Air Branch Authorized for Release by: Tracey Casburn, Air Branch Chief, ECAD 11201 Renner Boulevard Lenexa, Kansas 66219 Page 1 of 12 CONTENTS INSPECTION OVERVIEW........................................................................................................... 3 INSPECTION OBJECTIVE....................................................................................................... 3 FACILITY CONTACT INFORMATION ................................................................................. 3 FACILITY OVERVIEW ............................................................................................................ 3 FACILITY OPERATIONS SUMMARY................................................................................... 4 FIELD ACTIVITIES SUMMARY............................................................................................. 5 INVESTIGATION OBSERVATIONS AND POTENTIAL FINDINGS...................................... 6 TABLES Table 1.

REPORT OF COMPLIANCE SAMPLING INSPECTION (CSI) & INDUSTRIAL STORMWATER COMPLIANCE SAMPLING INSPECTION(CSI) AT CIRCLE D CORPORATION 613 NORTH ASH STREET HILLSBORO, KANSAS 67063 KANSAS PRETREATMENT PERMIT: KSP000034 BY U.S.

REPORT OF COMPLIANCE SAMPLING INSPECTION (CSI) & INDUSTRIAL STORMWATER COMPLIANCE EVALUATION INSPECTION (CEI) AT Lehigh Cement Company, LLC 700 25th Street NW Mason City, IA 50401 NPDES NO: IA0001945 STATE PERMIT NO: 1700100 & NPDES NO: IA0072907 STATE PERMIT NO: 1700113 November 14-17, 2022 BY U.

REPORT OF COMPLIANCE EVALUATION INSPECTION (INDUSTRIAL STORMWATER) Metro Ready Mix, LLC. 800 64th Avenue Court SW Cedar Rapids, Iowa 52404 Authorization Number: GP #3 IA43087-42696 BY U.S.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At SUTHERLAND PRINTING 525 N.

REPORT OF RCRA COMPLIANCE EVALUATION INSPECTION At CHEMTREAT INC. 200 East Trails Road Eldridge, Iowa 52748 563-203-1506 EPA ID Number: IAD000004242 On October 15, 2024 By TOEROEK ASSOCIATES, INC.

NPDES Inspection Report - Pretreatment Categorical Industrial User National Database Information Inspection Entry Date/Time: August 16, 2022 / 08:12 Inspection Closing Date/Time: August 16, 2022 / 15:21 Inspection Type: Pretreatment Categorical Industrial User (CIU) NPDES ID Number: MTPF00102 Inspection ID: 202208_MTPF00102 Lead inspector and affiliation: Lisa-kay Prideaux / EPA Region 8 Montana Operations Office Inspector and affiliation: Emilio Llamozas / EPA Region 8 Facility Location Information Site/Facility Name & Location: C.

Kraken Operating, LLC - Various Well Pads and Facilities Partial Compliance Evaluation (PCE) On-Site Clean Air Act (CAA) Inspections Inspection Date(s): October 22, 2024 Inspection Report Date: December 3, 2024 EPA Representatives: US EPA Region 8 Clean Air Act Inspectors: Alexis North, Joe Wilwerding, Bob Gallagher State Representatives: Jamin Grantham, Adam Bradley, Saloma Lentz Company Representatives: Stacy Aguirre Inspection Report Prepared By: Alexis North, Joe Wilwerding Inspection Report Reviewed By: Applicable Rules: Scott Patefield, Manager, Enforcement and Compliance Assurance Division, Air and Toxics Enforcement Branch SCOTT PATEFIELD Date: 2024.12.03 09:21:56 -07'00' Digitally signed by SCOTT PATEFIELD Administrative Rules of Montana, Title 17 Environmental Quality, Chapter 8 (link) 40 C.F.R.

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