 VIRGINIA CITY, Nev., Sept. 22, 2021 GLOBE NEWSWIRE -- Comstock Mining Inc. NYSE: LODE Comstock and the Company and Mercury Clean Up LLC MCU today announced that Clean Mercury Remediation Technologies CMRT, MCUs Philippine Inc.s joint venture, has received its remaining permit and commenced full operations in the ventures first commercial mercury remediation system in the province of Davao D Oro, Philippines. 