U.S. Code of Federal Regulations

Regulations most recently checked for updates: Nov 26, 2022

§ 428.90 - Applicability; description of the pan, dry digestion, and mechanical reclaimed rubber subcategory.

The provisions of this subpart are applicable to process waste water discharges resulting from the production of reclaimed rubber except when produced by the wet digestion process.

§ 428.91 - Specialized definitions.

For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.

§ 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]

§ 428.93 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

(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 available technology economically achievable:

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 rubber process, which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable in addition to the limitations set forth by § 428.93(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

§ 428.94 -

§ 428.95 - Standards of performance for new sources.

(a) The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:

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 standards of performance 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 rubber process, which may be discharged by a new source subject to the provisions of this subpart, in addition to the limitations set forth by § 428.95:

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

§ 428.96 - Pretreatment standards for new sources.

Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403, in addition to the limitations set forth in paragraphs (a) and (b) of this section.

(a) The following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged to a publicly owned treatment works by a new point source subject to the provisions of this subpart:

Pollutant or pollutant property Pretreatment standard
pHNo limitation.
TSS Do.
Oil and grease100 mg/l daily maximum.

(b) The following pretreatment standard establishes the quantity or quality 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 rubber process, which may be discharged to a publicly owned treatment works by a new point source subject to the provisions of this subpart, in addition to the limitations set forth by § 428.96(a):

Pollutant or pollutant property Pretreatment standards
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]