40 CFR 429.151 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 09, 2024

View all text of Subpart N [§ 429.150 - § 429.156]

§ 429.151 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart N

Pollutant or pollutant property	BPT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Average of daily values for 30 consecutive days
	kg/kkg (lb/1000 lb) of gross production
BOD5	8.13	4.32
TSS	5.69	2.72
pH		( ¹)

¹ Within the range 6.0 to 9.0 at all times.