| Source 14 Startup Notification | Start-Up Notification | MAR-20-2019 |
| Source #14 Amendment #1 | Old Permit | OCT-12-2018 |
| source 14, Electroplating machine to coat steel struts with zinc | Letter | AUG-23-2018 |
| Source 14 Electroplating Machine zinc coating and chromium conversion with a Wet Packed-Bed Scrubber Control | Old Permit | MAR-14-2018 |
| Source 14: PM Agreement Letter
| Letter | FEB-14-2018 |
| Source 14: zinc electroplating machine | Public Notice Document | JAN-04-2018 |
| Source 14: zinc electroplating machine Complete letter | Letter | DEC-21-2017 |
| Source 14 Additional Information Received | Application | NOV-21-2017 |
| Proof of Receipt | Certified Mail Receipt | NOV-20-2017 |
| Source 14: 2 electroplating machines. Incomplete letter | Letter | NOV-16-2017 |
| Source 14: Two (2) electroplating machines to coat steel strut with zinc. | Application | SEP-28-2017 |