No-Migration Variance From Land Disposal Restrictions for Clean Harbors Grassy Mountain, Utah
What happened
The Environmental Protection Agency (EPA) approved, with conditions, no-migration variances for four categories of wastes at Clean Harbors' Grassy Mountain facility in Utah. This approval, effective July 23, 2026, allows the facility to temporarily store up to 250 "put piles" of treated hazardous wastes within its hazardous waste landfill. The petitioner, Clean Harbors, demonstrated that hazardous constituents would not migrate from these piles for as long as the wastes remain hazardous, and the approval was signed by Donald Trump.
Why it matters
This approval allows Clean Harbors to streamline its waste management process by temporarily holding treated hazardous waste before final disposal. It provides flexibility for verifying compliance with Land Disposal Restrictions, potentially impacting the efficiency of hazardous waste treatment and disposal at this facility.
Who it affects
- ›Clean Harbors Grassy Mountain facility in Tooele County, Utah
- ›Hazardous waste treatment, storage, and disposal industry
- ›Environmental Protection Agency (EPA)
- ›Utah DEQ
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