420.22—Effluent limitations guidelines 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).

(a) Sintering operations with wet air pollution control system. The following table presents BPT limitations for sintering operations with wet air pollution control systems:

Subpart B—Effluent Limitations (BPT)

Pollutants or pollutant property	BPT effluent limitations
Pollutants or pollutant property	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1000 lb) of product
TSS	0.0751	0.0250
O&G	0.0150	0.00501
pH	(1)	(1)
1 Within the range of 6.0 to 9.0.

(b) Sintering operations with dry air pollution control system. There shall be no discharge of process wastewater pollutants to waters of the U.S.

[67 FR 64264, Oct. 17, 2002]