30 CFR §250.1632
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Each sulphur deposit shall be produced at rates that will provide economic development and depletion of the deposit in a manner that would maximize the ultimate recovery of sulphur without resulting in waste (e.g., an undue reduction in the recovery of oil and gas from an associated hydrocarbon accumulation).