| Source 04, Excess HCl Emissions | Letter | JUN-29-2023 |
| Source 00, Polysilicon Production - Emission Summary | Emission Summary | JUN-29-2023 |
| Source 00, Polysilicon Production AA2 | Permit | JUN-29-2023 |
| source 25, Silicon Grinding Process | Email | JUN-05-2023 |
| source 25, Silicon Grinding Process | Letter | MAY-22-2023 |
| Source 00, Polysilicon Manufacturing Emission Summary | Emission Summary | MAY-02-2023 |
| Source 25 A1 | Old Permit | MAY-02-2023 |
| Source 00, Polysilicon Manufacturing - AA1 | Old Permit | MAY-02-2023 |
| source 25, Silicon Grinding Process | Application | FEB-27-2023 |
| source 00- polysilicon production | Emission Summary | MAR-31-2022 |
| source 00- polysilicon production | Old Permit | MAR-31-2022 |
| source 00- polysilicon production (comments summary) | Form | MAR-31-2022 |
| source 00- polysilicon production (EPA response to APC comments response & revised draft permits) | Email | MAR-22-2022 |
| source 00-polysilicon production (transmittal-response to comments) | Email | MAR-18-2022 |
| source 00- polysilicon production (revision per EPA comments) | Emission Summary | MAR-17-2022 |