U.S. Code of Federal Regulations

Regulations most recently checked for updates: Nov 30, 2022

§ 427.70 - Applicability; description of the asbestos floor tile subcategory.

The provisions of this subpart are applicable to discharges resulting from the process in which asbestos, polyvinyl chloride resin, chemical stabilizers, limestone, and other fillers are used in the manufacture of asbestos floor tile.

§ 427.71 - Specialized definitions.

For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

(b) The abbreviation “mpc” shall mean 1000 pieces of floor tile.

(c) The term “pieces” shall mean floor tile measured in the standard size of 12″ × 12″ × 3/32″.

(d) COD shall mean COD added to the process waste water.

§ 427.72 - 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):

Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed -
Metric units (kg/mpc of product)
COD0.140.09
TSS0.06.04
pH( 1)( 1)
English units (lb/mpc of product)
COD0.300.18
TSS0.13.08
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

[39 FR 7527, Feb. 26, 1974, as amended at 60 FR 33961, June 29, 1995]

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

The following limitations establish the quantity or quality of pollutants or pollutant properties which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable: There shall be no discharge of process waste water pollutants to navigable waters.

§ 427.74 - Pretreatment standards for existing sources.

Any existing 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, 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 point source subject to the provisions of this subpart.

Pollutant or pollutant property Pretreatment standard
pHNo limitation.
COD Do.
TSS Do.
[40 FR 6445, Feb. 11, 1975, as amended at 60 FR 33962, June 29, 1995]

§ 427.75 - Standards of performance for new sources.

The following standards of performance establish the quantity or quality of pollutants or pollutant properties which may be discharged by a new source subject to the provisions of this subpart: There shall be no discharge of process waste water pollutants to navigable waters.

§ 427.76 - 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.

[60 FR 33962, June 29, 1995]