Back to the resource library Hydraulic Fracturing of Coalbed Methane Wells: A Threat to Drinking Water January 1, 2002 | Share: Download See All Related Resources Factsheet on Ammonia Cámara óptica de imágenes de gases (OGI) FLIR GasFinder 320 FLIR Gasfinder 320 Optical Gas Imaging Camera The Truth About Vale S.A. in Minas Gerais: Commitments and Abuses