Back to the resource library Earthworks 2016 990 Form November 2, 2017 | Share: Download See All Related Resources Comments on Allegheny County Board of Health EQT Leto Dehydrator Air Quality Permit Comments on Colorado’s Air Toxics Rules Filtered Tailings in Indonesia: The Catastrophic Failure of a Disruptive Technology Tailing yang Difilter di Indonesia: Kegagalan Katastropik dari Sebuah Teknologi Disruptif