CFR › Title 30 › Part 550 › §550.12130 CFR §550.121Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe Director may require additional measures to ensure the use of Best Available and Safest Technology (BAST) as identified by BSEE:(a)To avoid the failure of equipment that would have a significant effect on safety, health, or the environment;(b)If it is economically feasible; and(c)If the incremental benefits justify the incremental costs.