| #D001 | | direct | A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans. | high |
| #D002 | | indirect | A facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant). | high |
| #D003 | | Battery manufacturing | the production of modular electric power sources where part or all of the fuel is contained within the unit and electric power is generated directly from a chemical reaction. | medium |
| #D004 | | NAICS | North American Industry Classification System | high |
| #D005 | | TSS | total suspended solids | high |
| #D006 | | COD | chemical oxygen demand | high |
| #D007 | | direct discharger | A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans. | high |
| #D008 | | BOD | biochemical oxygen demand | high |
| #D009 | | BPT | Best Practicable Pollutant Control Technology Currently Available | high |
| #D010 | | NSPS | New Source Performance Standards | high |
| #D011 | | direct discharger | A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans. | high |
| #D012 | | NAICS | North American Industry Classification System | high |
| #D013 | | BOD | biochemical oxygen demand | high |
| #D014 | | TSS | total suspended solids | high |
| #D015 | | BPT | Best Practicable Pollutant Control Technology Currently Available | high |
| #D016 | | NSPS | New Source Performance Standards | high |
| #D017 | | Carbon black | derived from petrochemicals and is an important family of industrial carbons used primarily as reinforcing agents in rubber and as black pigments in inks, coatings, and plastics. | high |
| #D018 | | BAT | Best Available Technology Economically Achievable | high |
| #D019 | | PSNS | Pretreatment Standards for New Sources | high |
| #D020 | | NAICS | North American Industrial Classification System | high |
| #D021 | | direct | A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans. | high |
| #D022 | | indirect | A facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant). | high |
| #D023 | | Carbon black | derived from petrochemicals and is an important family of industrial carbons used primarily as reinforcing agents in rubber and as black pigments in inks, coatings, and plastics. | high |
| #D024 | | NAICS | North American Industrial Classification System | high |
| #D025 | | BAT | Best Available Technology Economically Achievable | high |
| #D026 | | PSNS | Pretreatment Standards for New Sources | high |