U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 04, 2022

§ 428.92 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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) The following limitations establish the quantity or quality of pollutants or pollutant properties controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best practicable control technology currently available:

Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed -
Metric units (kg/kkg of product)
Oil and grease0.400.144
TSS0.3840.192
pH( 1)( 1)
English units (lb/1,000 lb of product)
Oil and grease0.400.144
TSS0.3840.192
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

(b) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section and attributable to pan, dry digestion, and mechanical reclaimed rubber processes which are integrated with a wet digestion reclaimed process, which may be discharged by a point source subject to the provisions of this subpart after application of the best practicable control technology currently available, in addition to the limitations set forth by § 428.92(a):

Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed -
Metric units (kg/kkg of product)
COD6.72.8
English units (lb/1,000 lb of product)
COD6.72.8
[40 FR 2342, Jan. 10, 1975, as amended at 60 FR 33964, June 29, 1995]