40 CFR 408.172: 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) Any mechanized salmon processing facility located in population or processing centers including but not limited to Anchorage, Cordova, Juneau, Ketchikan, Kodiak, and Petersburg shall meet the following limitations:

Effluent characteristic Effluent limitations

Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—

Metric units (kilograms per 1,000 kg of seafood)

TSS 44 26

Oil and grease 29 11

pH (1) (1)

English units (pounds per 1,000 lb of seafood)

TSS 44 26

Oil and grease 29 11

pH (1) (1)

1 Within the range 6.0 to 9.0.

(b) Any mechanized salmon processing facility not covered under § 408.172(a) shall meet the following limitations: No pollutants may be discharged which exceed 1.27 cm (0.5 inch) in any dimension.