§ 421.152 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 40 CFR 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 technology currently available: (a) Solvent Extraction Raffinate from Bertrandite Ore. BPT Limitations for the Primary Beryllium Subcategory (b) Solvent Extraction Raffinate from Beryl Ore. BPT Limitations for the Primary Beryllium Subcategory (c) Beryllium Carbonate Filtrate. BPT Limitations for the Primary Beryllium Subcategory (d) Beryllium Hydroxide Filtrate. BPT Limitations for the Primary Beryllium Subcategory (e) Beryllium Oxide Calcining Furnace Wet Air Pollution Control. BPT Limitations for the Primary Beryllium Subcategory (f) Beryllium hydroxide supernatant. BPT Limitations for the Primary Beryllium Subcategory (g) Process water. BPT Limitations for the Primary Beryllium Subcategory (h) Fluoride furnace scrubber. BPT Limitations for the Primary Beryllium Subcategory (i) Chip treatment wastewater. BPT Limitations for the Primary Beryllium Subcategory (j) Beryllium Pebble Plant Area Vent Wet Air Pollution Control. BPT Limitations for the Primary Beryllium Subcategory (k) Beryl Ore Gangue Dewatering. BPT Limitations for the Primary Beryllium Subcategory (l) Bertrandite Ore Gangue Dewatering. BPT Limitations for the Primary Beryllium Subcategory (m) Beryl Ore Processing. BPT Limitations for the Primary Beryllium Subcategory (n) Aluminum Iron Sludge (AIS) Area Wastewater. BPT Limitations for the Primary Beryllium Subcategory (o) Bertrandite Ore Leaching Scrubber. BPT Limitations for the Primary Beryllium Subcategory (p) Bertrandite Ore Countercurrent and Decantation (CCD) Scrubber. BPT Limitations for the Primary Beryllium Subcategory