18 CFR Part 440

4 sections.

§ 440.1
Purpose, authority, and relationship to other requirements
§ 440.2
Definitions
§ 440.3
High volume hydraulic fracturing (HVHF)
§ 440.4
Wastewater from high volume hydraulic fracturing and related activities

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.