U.S. Code of Federal Regulations

Regulations most recently checked for updates: Nov 30, 2022

§ 428.100 - Applicability; description of the latex-dipped, latex-extruded, and latex-molded rubber subcategory.

The provisions of this subpart are applicable to process waste water discharges resulting from the manufacture of latex-dipped, latex-extruded, and latex-molded products with the exception of those discharges from textile plants subject to the provisions of part 410 of this chapter.

§ 428.101 - 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.

(b) The term “chromium” shall mean total chromium.

(c) The term “raw material” shall mean all latex solids used in the manufacture of latex-dipped, latex-extruded, and latex-molded products.

§ 428.102 - 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 raw material)
Oil and grease2.00.73
BOD53.722.20
TSS6.962.90
pH( 1)( 1)
English units (lb/1,000 lb of raw material)
Oil and grease2.00.73
BOD53.722.20
TSS6.962.90
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 plants employing the chromic acid form-cleaning operation, 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 § 428.102(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 raw material)
Chromium0.00860.0036
English units (lb/1,000 lb of raw material)
Chromium0.00860.0036
[40 FR 2344, Jan. 10, 1975, as amended at 60 FR 33964, June 29, 1995]

§ 428.103 -

(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 raw material)
Oil and grease2.00.73
BOD53.722.20
TSS6.962.90
pH( 1)( 1)
English units (lb/1,000 lb of raw material)
Oil and grease2.00.73
BOD53.722.20
TSS6.962.90
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 plants employing the chromic acid form-cleaning operation, 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 § 428.103(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 raw material)
Chromium0.00860.0036
English units (lb/1,000 lb of raw material)
Chromium0.00860.0036

§ 428.104 - [Reserved]

§ 428.105 - 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 raw material)
Oil and grease2.00.73
BOD53.722.20
TSS6.962.90
pH( 1)( 1)
English units (lb/1,000 lb of raw material)
Oil and grease2.00.73
BOD53.722.20
TSS6.962.90
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 plants employing the chromic acid form-cleaning operation, which may be discharged by a new source subject to the provisions of this subpart, in addition to the limitations set forth by § 428.102(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 raw material)
Chromium0.00860.0036
English units (lb/1,000 lb of raw material)
Chromium0.00860.0036

§ 428.106 - 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.
BOD5 Do.
TSS Do.
Oil and grease100 mg/l daily maximum.

(b) The following pretreatment standard establishes the quantity or quality of pollutant properties controlled by this section and attributable to plants employing the chromic acid form-cleaning operation, 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 § 428.106(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 raw material)
Chromium0.00860.0036
English units (lb/1,000 lb of raw material)
Chromium0.00860.0036
[40 FR 2344, Jan. 10, 1975, as amended at 60 FR 33964, June 29, 1995]