Title 40

SECTION 420.93

420.93 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

§ 420.93 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

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 available technology economically achievable.

(a) Sulfuric acid pickling (spent acid solutions and rinse waters) - (1) Rod, wire and coil.

(2) Bar, billet and bloom.

(3) Strip, sheet and plate.

(4) Pipe, tube and other products.

(5) Fume scrubbers.

The above limitations shall be applicable to each fume scrubber associated with a sulfuric acid pickling operation.

(b) Hydrochloric acid pickling (spent acid solutions and rinse waters) - (1) Rod, wire and coil.

(2) Strip, sheet and plate.

(3) Pipe, tube and other products.

(4) Fume scrubbers.

The above limitations shall be applicable to each fume scrubber associated with a hydrochloric acid pickling operation.

(5) Acid regeneration (absorber vent scrubber).

The above limitations shall be applicable to the absorber vent scrubber wastewater associated with hydrochloric acid regeneration plants.

(c) Combination acid pickling (spent acid solution and rinse waters) - (1) Rod, wire, and coil.

(2) Bar, billet, and bloom.

(3) Strip, sheet, and plate - continuous.

(4) Strip, sheet, and plate - batch.

(5) Pipe, tube, and other products.

(6) Fume scrubbers.

The above limitations shall be applicable to each fume scrubber associated with a combination acid pickling operation. [47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21031, May 17, 1984; 49 FR 24726, June 15, 1984]

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