| #R001 | design | operational | mandatory | Intermodal tank container capacity threshold | wastewater | requirement | > 3000 liter | Definition of intermodal tank containers covered by the regulation | Containers used to transport materials or cargos that come into direct contact with the interior | high |
| #R002 | operational | treatment | mandatory | Annual TEC process wastewater discharge exclusion threshold | wastewater | requirement | < 100000 gallons per year | Exclusion criteria for facilities discharging small volumes of regulated TEC process wastewater | Only wastewater generated from a regulated TEC subcategory | high |
| #R003 | design | operational | mandatory | Intermediate bulk container (IBC) capacity minimum | wastewater | requirement | 450 liter | Definition of excluded intermediate bulk containers (totes) | Containers used for portable storage or transport | high |
| #R004 | design | operational | mandatory | Intermediate bulk container (IBC) capacity maximum | wastewater | requirement | 3000 liter | Definition of excluded intermediate bulk containers (totes) | Containers used for portable storage or transport | high |