40 CFR Part 63, Table 6
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| For each . . . | You must . . . | And you must . . . |
|---|---|---|
| 1. Wastewater stream | a. Discharge to onsite or offsite wastewater treatment or hazardous waste treatment | i. Maintain records identifying each wastewater stream and documenting the type of treatment that it receives. Multiple wastewater streams with similar characteristics and from the same type of activity in a CMPU may be grouped together for recordkeeping purposes. |
| 2. Wastewater stream containing partially soluble HAP at a concentration ≥10,000 ppmw and separate organic and water phases | a. Use a decanter, steam stripper, thin film evaporator, or distillation unit to separate the water phase from the organic phase(s); or | i. For the water phase, comply with the requirements in Item 1 of this table, andii. For the organic phase(s), recycle to a process, use as fuel, or dispose as hazardous waste either onsite or offsite, andiii. Keep records of the wastewater streams subject to this requirement and the disposition of the organic phase(s). |
| b. Hard pipe the entire wastewater stream to onsite treatment as a hazardous waste, or hard pipe the entire wastewater stream to a point of transfer to onsite or offsite hazardous waste treatment. | i. Keep records of the wastewater streams subject to this requirement and the disposition of the wastewater streams. |
[77 FR 75761, Dec. 21, 2012]