43 CFR § 3809.591 - What are the limitations on the amount by which BLM may reduce my financial guarantee?
(a) This section applies to your financial guarantee, but not to any funding mechanism established under § 3809.552(c) to pay for long-term treatment of effluent or site maintenance. Calculation of bond percentages in paragraphs (b) and (c) of this section does not include any funds held in that kind of funding mechanism.
(b) BLM may release up to 60 percent of your financial guarantee for a portion of your project area when BLM determines that you have successfully completed backfilling; regrading; establishment of drainage control; and stabilization and detoxification of leaching solutions, heaps, tailings, and similar facilities on that portion of the project area.
(c) BLM may release the remainder of your financial guarantee for the same portion of the project area when -
(2) Any effluent discharged from the area has met applicable effluent limitations and water quality standards for one year without needing additional treatment, or you have established a funding mechanism under § 3809.552(c) to pay for long-term treatment, and any effluent discharged from the area has met applicable effluent limitations and water quality standards water for one year with or without treatment.