Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Effluent Guidelines and Standards
  6. Timber Products Processing Point Source Category
  7. Wet Process Hardboard Subcategory
  8. Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

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§ 429.61 Effluent limitations 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) The following limitations apply to plants which produce smooth-one-side (S1S) hardboard:

Expand Table

Subpart E (S1S)

Pollutant or pollutant property BPT Effluent Limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
kg/kkg (lb/1000 lb) of gross production
BOD5 20.5 10.7
TSS 37.3 24.6
pH (1) (1)

1 Within the range 6.0 to 9.0 at all times.

(b) The following limitations apply to plants which produce smooth-two-sides (S2S) hardboard:

Expand Table

Subpart E (S2S)

Pollutant or pollutant property BPT Effluent Limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
kg/(kkg (lb/1000 lb) of gross production
BOD5 32.9 21.4
TSS 54.2 37.1
pH (1) (1)

1 Within the range 6.0 to 9.0 at all times.

[46 FR 8285, Jan. 26, 1981, as amended at 46 FR 11972, Feb. 12, 1981]


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