Ottawa Plant — Inspections
Total: 164 inspections
| Begin | End | Operator | Hours | Inspectors |
|---|---|---|---|---|
| 11/06/2025 | 11/06/2025 | U. S. Silica Company | 4.50 | 1 |
| 10/23/2025 | 10/23/2025 | U. S. Silica Company | 11.00 | 1 |
| 10/23/2025 | 10/23/2025 | U. S. Silica Company | 1.50 | 1 |
| 10/06/2025 | 10/14/2025 | U. S. Silica Company | 116.75 | 3 |
| 09/02/2025 | 09/03/2025 | U. S. Silica Company | 12.50 | 1 |
| 08/12/2025 | 08/20/2025 | U. S. Silica Company | 118.50 | 2 |
| 02/21/2025 | 02/27/2025 | U. S. Silica Company | 115.25 | 5 |
| 01/22/2025 | 01/22/2025 | U. S. Silica Company | 7.00 | 1 |
| 11/27/2024 | 12/02/2024 | U. S. Silica Company | 8.50 | 1 |
| 08/05/2024 | 08/05/2024 | U. S. Silica Company | 2.00 | 1 |
| 07/01/2024 | 07/03/2024 | U. S. Silica Company | 22.00 | 1 |
| 06/10/2024 | 06/10/2024 | U. S. Silica Company | 5.00 | 1 |
| 06/03/2024 | 06/03/2024 | U. S. Silica Company | 5.25 | 1 |
| 05/22/2024 | 05/23/2024 | U. S. Silica Company | 5.00 | 1 |
| 05/22/2024 | 05/22/2024 | U. S. Silica Company | 0.50 | 1 |
| 05/22/2024 | 05/23/2024 | U. S. Silica Company | 12.25 | 1 |
| 04/01/2024 | 04/10/2024 | U. S. Silica Company | 126.50 | 3 |
| 02/05/2024 | 02/05/2024 | U. S. Silica Company | 3.00 | 1 |
| 01/23/2024 | 02/01/2024 | U. S. Silica Company | 181.50 | 4 |
| 06/07/2023 | 06/15/2023 | U. S. Silica Company | 111.25 | 2 |
| 05/17/2023 | 05/17/2023 | U. S. Silica Company | 0.75 | 1 |
| 01/18/2023 | 01/30/2023 | U. S. Silica Company | 159.50 | 2 |
| 01/03/2023 | 01/03/2023 | U. S. Silica Company | 9.75 | 1 |
| 01/03/2023 | 01/03/2023 | U. S. Silica Company | 2.50 | 1 |
| 06/23/2022 | 07/15/2022 | U. S. Silica Company | 97.00 | 3 |
| 02/16/2022 | 02/16/2022 | U. S. Silica Company | 1.00 | 1 |
| 02/14/2022 | 02/23/2022 | U. S. Silica Company | 64.75 | 1 |
| 09/07/2021 | 09/13/2021 | U. S. Silica Company | 88.75 | 3 |
| 09/01/2021 | 09/01/2021 | U. S. Silica Company | 7.75 | 1 |
| 04/12/2021 | 04/12/2021 | U. S. Silica Company | 1.75 | 1 |
| 02/08/2021 | 02/08/2021 | U. S. Silica Company | 10.00 | 1 |
| 01/29/2021 | 02/17/2021 | U. S. Silica Company | 48.25 | 1 |
| 01/22/2021 | 03/10/2021 | U. S. Silica Company | 235.00 | 3 |
| 10/28/2020 | 10/28/2020 | U. S. Silica Company | 5.25 | 1 |
| 09/30/2020 | 10/13/2020 | U. S. Silica Company | 83.00 | 1 |
| 09/04/2020 | 09/11/2020 | U. S. Silica Company | 30.00 | 1 |
| 08/18/2020 | 08/18/2020 | U. S. Silica Company | 4.25 | 1 |
| 04/09/2020 | 04/09/2020 | U. S. Silica Company | 3.00 | 1 |
| 01/06/2020 | 02/27/2020 | U. S. Silica Company | 115.00 | 1 |
| 07/15/2019 | 07/23/2019 | U. S. Silica Company | 55.00 | 1 |
| 07/15/2019 | 07/15/2019 | U. S. Silica Company | 5.50 | 1 |
| 12/17/2018 | 01/07/2019 | U. S. Silica Company | 59.00 | 1 |
| 09/25/2018 | 09/25/2018 | U. S. Silica Company | 15.00 | 1 |
| 09/17/2018 | 09/19/2018 | U. S. Silica Company | 66.00 | 2 |
| 08/21/2018 | 08/21/2018 | U. S. Silica Company | 5.25 | 1 |
| 03/20/2018 | 03/28/2018 | U. S. Silica Company | 57.50 | 1 |
| 12/21/2017 | 12/21/2017 | U. S. Silica Company | 4.50 | 1 |
| 07/19/2017 | 07/19/2017 | U. S. Silica Company | 6.75 | 1 |
| 06/19/2017 | 06/19/2017 | U. S. Silica Company | 3.25 | 1 |
| 06/12/2017 | 06/12/2017 | U. S. Silica Company | 1.25 | 1 |