Effluent limitations 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 which represent the application of BPT: Effluent Limitations Regulated parameter Maximum daily 1 Maximum monthly avg. 1 BOD 5 220 56 TSS 88 27 Ammonia (as N) 10 4.9 α-Terpineol 0.042 0.019 Aniline 0.024 0.015 Benzoic acid 0.119 0.073 Naphthalene 0.059 0.022 p -Cresol 0.024 0.015 Phenol 0.048 0.029 Pyridine 0.072 0.025 Arsenic 1.1 0.54 Chromium 1.1 0.46 Zinc 0.535 0.296 pH ( 2 ) ( 2 ) 1 Milligrams per liter (mg/L, ppm). 2 Within the range 6 to 9. [65 FR 3048, Jan. 19, 2000; 65 FR 14344, Mar. 16, 2000]