Regulations last checked for updates: Feb 12, 2026

Title 40 - Protection of Environment last revised: Dec 22, 2026
§ 463.14 - New source performance standards.

(a) NSPS for bis(2-ethylhexyl) phthalate are reserved.

(b) Any new source subject to this subpart must achieve performance standards (i.e., mass of pollutant discharged), which are calculated by multiplying the average process water usage flow rate for the contact cooling and heating water processes at a new source times the following pollutant concentrations:

Subpart A

[Contact cooling and heating water]

Concentration used to calculate NSPS
Pollutant or pollutant property Maximum for any 1 day (mg/l)
BOD526
Oil and grease29
TSS19
pH( 1)

1 Within the range of 6.0 to 9.0 at all times.

The permit authority will obtain the average process water usage flow rate for the new source contact cooling and heating water processes from the permittee.
source: 49 FR 49047, Dec. 17, 1984, unless otherwise noted.
cite as: 40 CFR 463.14