Subpart AD. Subpart AD—Calcium Carbonate Production Subcategory

• § 415.300 - Applicability; description of the calcium carbonate production subcategory.
• § 415.301 - Specialized definitions.
• § 415.302 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).