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QUALITATIVE ENVIRONMENTAL RISK ASSESSMENT FOR MINE DEVELOPMENT <br />STEPS IN QUALITATIVE <br />RISK ASSESSMENT ELEMENT <br />IDENTIFY POTENTIAL FAILURE MODES AND MECHANISMS <br />1 <br />HAZARD <br />ASSESSMENT <br />EXPOSURE <br />ASSESSMENT <br />CONSEQUENCE <br />ASSESSMENT <br />RISK <br />CHARACTERIZATION <br />DEVELOPMENT OF HAZARD DESCRIPTORS <br />NEGUCIBLE, VERY LOW, LOW, MEDIUM <br />AND HIGH) <br />QUALITATIVE HAZARD ASSESSMENT FOR <br />FAILURE MODES, BASED ON SITE AREA/ <br />COMPONENT /PHASE <br />- FAILURE MECHANISM <br />- INITIATING EVENTS <br />- MAGNITUDE OF RELEASE <br />- DURATION Of RELEASE <br />PATHWAYS <br />- ECOSYSTEM AT RISK <br />QUALITATIVE EXPOSURE ASSESSMENT FOR <br />- FAILURE MODES. BASED ON SITE AREA/ <br />COMPONENT /PHASE <br />QUAUTATIVE CONSEQUENCE ASSESSMENT <br />FOR FAD.URE MODES. BASED ON SITE <br />AREA / COMPONENT/PHASE <br />DEVELOPMENT OF RISK CHARACTERIZATION <br />DESCRIPTION BASED ON HAZARD EXPOSURE <br />AND CONSEQUENCE ASSESSMENT <br />QUALITATIVE RISK CHARACTERIZATION FOR <br />FAILURE MODES, BASED ON SITE AREA/ <br />COMPONENT/PHASE <br />Figure 1 <br />Schematic of proposed qualitative environmental risk assessment approach. <br />(TAILINGS <br />NO. 2 <br />TAILINGS <br />NO. I / DISTRIBUTION <br />ROAD <br />WATER STORAGE <br />EMBANKMENT" <br />MILL <br />WASTE ROCK <br />STOCKPILE <br />LOW GRADE ORE <br />STOCKPILE <br />WATER <br />TREATMENT PLANT- N. <br />WETLAND <br />TREATMENT <br />MUDSTONE <br />DUMP <br />Figure 2 <br />Components of example project. <br />21 <br />