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40 CFR 430.62 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (§ 425.01 To Parts 611-699) — Environmental Protection Agency (Continued) (§ 425.01 To Parts 611-699) — Effluent Guidelines And Standards (Continued) (§ 425.01 To § 471.106) — The Pulp, Paper, And Paperboard Point Source Category (§ 430.00 To Appendix A To Part 430) — Semi-Chemical Subcategory (§ 430.60 To § 430.67) — Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

4 Aug 2016

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):

Subpart F

[BPT effluent limitations for ammonia base mills]

Pollutant or pollutant property Kg/kkg (or pounds per 1,000 lb) of product
Maximum for any 1 day Average of daily values for 30 consecutive days
BOD5 8.0 4.0
TSS 10.0 5.0
pH ( 1) ( 1)

1 Within the range of 6.0 to 9.0 at all times.

Subpart F

[BPT effluent limitations for sodium base mills]

Pollutant or pollutant property Kg/kkg (or pounds per 1,000 lb) of product
Maximum for any 1 day Average of daily values for 30 consecutive days
BOD5 8.7 4.35
TSS 11.0 5.5
pH ( 1) ( 1)

1 Within the range of 6.0 to 9.0 at all times.

40 CFR 430.62