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- i <br /> RISK ASSESSMENT <br /> NO HAZARDOUS LEVELS OF CONTAMINATION SHOULD BE ENCOUNTERED DURING <br /> THE COURSE OF THIS PROJECT. <br /> THE PRIMARY SAFETY GOAL DURING THE CONTAMINATION ANALYSIS IS TO <br /> PROTECT THE SAMPLING TEAM AND SUPPORT STAFF WHILE THE THEY ACQUIRE <br /> REPRESENTATIVES SAMPLES AND MONITOR AIR QUALITY. IF PROPER LEL <br /> VALUES ARE MAINTAINED, THEN THE RISK OF EXPLOSION AND RESULTING <br /> FIRE WILL BE MINIMAL. DUE TO THE UNCONFINED NATURE OF THE PROJECT <br /> SITE, VAPORS RELEASED DURING OPERATIONS WILL BE SUFFICIENTLY <br /> DILUTED BY AMBIENT AIR SO THAT THE SURROUNDING COMMUNITY WILL NOT <br /> BE EXPOSED. IN ORDER TO ASSURE THAT VAPOR DISPERSAL IS ADEQUATE, <br /> A HANDHELD PHOTO IONIZING DETECTOR (PID) WILL BE USED TO MONITOR <br /> VAPOR CONCENTRATIONS. <br /> EXPOSURE MONITORING PLAY <br /> ENVIROMENTAL EXPOSURE WILL BE MONITORED PERIODICALLY USING A <br /> HANDHELD PID. PERSONNEL EXPOSURE MONITORING (IN ADITION TO THE <br /> REQUIRED ANNUAL CHECK-UP) WILL NOT BE CONDUCTED. <br /> + PERSONNM PROTECTION EQUIPMENT <br /> ALL WEGE PERSONNEL WILL WEAR HARD HATS AND STEELTOED FOOTWEAR <br /> WHILE WORKING ON THIS SITE. IF DETECTED VAPOR CONCENTRATIONS <br /> EXCEED EXPOSURE LIMIT VALUES, THEN ALL WEGE PERSONNEL (AND <br /> SUBCONTRACTORS ) WILL DON DISPOSABLE TYVEK COVERALLS, DISPOSABLE <br /> VINYL OR LATEX GLOVES, REUSABLE RUBBER BOOTS, AND NON-WOVEN HALF <br /> FACE RESPIRATORS WITH SUITABLE FILTER CARTRIDGES. DISPOSABLE <br /> ITEMS WILL BE DEPOSITED INTO A STEEL DRUM CONTAINER ON SITE. <br /> REUSABLE ITEMS WILL BE DECONTAMINATED AND STORED FOR REUSE. <br /> WORK ZONES AND SECURITY MEASURES <br /> THE WORK AREA WILL BE RESTRICTED TO THE RST TREATMENT UNIT AND <br /> IMMEDIATE VICINITY. SITE ACCESS WILL BE RESTRICTED BY TEMPORARY <br /> TRAFFIC CONES AND BARRICADE TAPE. <br />