Mason City Plant — Inspections
Total: 210 inspections
| Begin | End | Operator | Hours | Inspectors |
|---|---|---|---|---|
| 01/21/2026 | 02/18/2026 | Heidelberg Materials US Cement... | 198.25 | 4 |
| 01/20/2026 | 01/20/2026 | Heidelberg Materials US Cement... | 6.25 | 1 |
| 05/27/2025 | 06/12/2025 | Heidelberg Materials US Cement... | 185.75 | 2 |
| 02/24/2025 | 02/24/2025 | Heidelberg Materials US Cement... | 4.25 | 1 |
| 02/21/2025 | 02/24/2025 | Heidelberg Materials US Cement... | 10.50 | 1 |
| 01/29/2025 | 01/29/2025 | Heidelberg Materials US Cement... | 3.25 | 1 |
| 01/21/2025 | 01/21/2025 | Heidelberg Materials US Cement... | 7.25 | 1 |
| 01/13/2025 | 01/13/2025 | Heidelberg Materials US Cement... | 5.50 | 1 |
| 12/02/2024 | 01/07/2025 | Heidelberg Materials US Cement... | 171.25 | 1 |
| 10/21/2024 | 01/08/2025 | Heidelberg Materials US Cement... | 21.50 | 2 |
| 09/11/2024 | 09/12/2024 | Heidelberg Materials US Cement... | 5.00 | 1 |
| 08/19/2024 | 08/30/2024 | Heidelberg Materials US Cement... | 164.00 | 2 |
| 04/15/2024 | 04/16/2024 | Heidelberg Materials US Cement... | 4.25 | 1 |
| 04/10/2024 | 04/15/2024 | Heidelberg Materials US Cement... | 12.75 | 1 |
| 04/09/2024 | 04/10/2024 | Heidelberg Materials US Cement... | 19.50 | 1 |
| 04/01/2024 | 04/04/2024 | Heidelberg Materials US Cement... | 8.25 | 1 |
| 03/11/2024 | 03/28/2024 | Heidelberg Materials US Cement... | 224.50 | 3 |
| 09/25/2023 | 09/25/2023 | Heidelberg Materials US Cement... | 9.50 | 1 |
| 08/21/2023 | 08/24/2023 | Heidelberg Materials US Cement... | 5.50 | 1 |
| 08/21/2023 | 08/24/2023 | Heidelberg Materials US Cement... | 21.25 | 1 |
| 07/13/2023 | 07/13/2023 | Heidelberg Materials US Cement... | 0.75 | 1 |
| 07/12/2023 | 07/13/2023 | Heidelberg Materials US Cement... | 13.00 | 1 |
| 06/14/2023 | 06/15/2023 | Heidelberg Materials US Cement... | 3.25 | 1 |
| 05/21/2023 | 06/07/2023 | Heidelberg Materials US Cement... | 230.00 | 4 |
| 04/25/2023 | 04/25/2023 | Heidelberg Materials US Cement... | 4.50 | 1 |
| 04/10/2023 | 04/10/2023 | Heidelberg Materials US Cement... | 3.50 | 1 |
| 03/27/2023 | 03/27/2023 | Heidelberg Materials US Cement... | 4.25 | 1 |
| 03/24/2023 | 03/24/2023 | Heidelberg Materials US Cement... | 1.50 | 1 |
| 03/23/2023 | 03/24/2023 | Heidelberg Materials US Cement... | 8.75 | 1 |
| 02/27/2023 | 02/27/2023 | Heidelberg Materials US Cement... | 7.25 | 1 |
| 02/15/2023 | 02/16/2023 | Heidelberg Materials US Cement... | 3.50 | 1 |
| 01/03/2023 | 01/26/2023 | Heidelberg Materials US Cement... | 223.50 | 3 |
| 10/19/2022 | 10/24/2022 | Heidelberg Materials US Cement... | 13.25 | 1 |
| 06/23/2022 | 06/28/2022 | Heidelberg Materials US Cement... | 12.75 | 1 |
| 06/23/2022 | 07/21/2022 | Heidelberg Materials US Cement... | 125.50 | 1 |
| 06/22/2022 | 06/23/2022 | Heidelberg Materials US Cement... | 7.25 | 1 |
| 04/07/2022 | 04/08/2022 | Heidelberg Materials US Cement... | 5.25 | 1 |
| 03/22/2022 | 03/23/2022 | Heidelberg Materials US Cement... | 24.75 | 1 |
| 02/07/2022 | 03/03/2022 | Heidelberg Materials US Cement... | 122.25 | 1 |
| 08/24/2021 | 08/31/2021 | Heidelberg Materials US Cement... | 28.50 | 1 |
| 08/05/2021 | 08/05/2021 | Heidelberg Materials US Cement... | 0.50 | 1 |
| 08/02/2021 | 08/19/2021 | Heidelberg Materials US Cement... | 92.25 | 1 |
| 12/18/2020 | 01/06/2021 | Heidelberg Materials US Cement... | 75.50 | 1 |
| 10/14/2020 | 10/15/2020 | Heidelberg Materials US Cement... | 3.50 | 1 |
| 09/03/2020 | 09/04/2020 | Heidelberg Materials US Cement... | 9.25 | 1 |
| 06/01/2020 | 06/01/2020 | Heidelberg Materials US Cement... | 5.50 | 1 |
| 05/18/2020 | 05/18/2020 | Heidelberg Materials US Cement... | 4.00 | 1 |
| 04/27/2020 | 05/12/2020 | Heidelberg Materials US Cement... | 93.50 | 1 |
| 04/15/2020 | 04/15/2020 | Heidelberg Materials US Cement... | 3.50 | 1 |
| 04/06/2020 | 04/06/2020 | Heidelberg Materials US Cement... | 3.50 | 1 |