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I <br /> IN ORDER TO PROTECT AGAINST OVER—EXPOSURE TO THESE COMPOUNDS, THE <br /> AMBIENT AIR WILL BE MONITORED WITH A HANDIAELD PHOTO IONIZING <br /> DETECTOR cPID) . AS SOON AS VAPOR CONCENTRATIONS APPROACH 75% OF <br /> THE EXPOSURE LIMIT VALUE, WORE: WILL CEASE UNTIL ALL ONSITE <br /> PERSONNEL HAVE DONNED PROTECTIVE CLOTHING AND SUITABLE RESPIRATORY <br /> DEVICES. <br /> PERSONNEL EXPOSURES TO EXCESSIVE JOB—RELATED HAZARDS ARE EXPECTED <br /> TO BE MINIMAL USING THESE SAFEGUARDS. <br /> IT SHOULD HE NOTED THAT WINTER TIME COLDNESS MAY INITIATE WEATHER <br /> STRESS—RELATED PROBLEMS AND DECREASE PRODUCTIVITY ON THE JOB SITE. <br /> RISK ASSESSMENT <br /> THE PRIMARY SAFETY GOAL DURING THE CONTAMINATION ANALYSIS IS TO <br /> PROTECT THE SAMPLING TEAM AND SUPPORT STAFF WHILE 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, TOXIC VAPORS RELEASED DURING DRILLING OPERATIONS WILL BE <br /> SUFFICIENTLY DILUTED BY AMBIENT AIR SO THAT THE SURROUNDING <br /> COMMUNITY WILL BE EXPOSED TO NEGLIGIBLE RISK. IN ORDER TO ASSURE <br /> THAT VAPOR DISPERSAL IS ADEQUATE, A HANDHELD PHOTO IONIZING <br /> DETECTOR (PID) WILL BE USED TO MONITOR VAPOR CONCENTRATIONS. <br /> LI` WHILE THE FORMER REGAL STATION WILL NOT BE IN OPERATION DURING OUR <br /> " INVESTIGATIONS, IT IS OUR EXPERIENCE THAT PEOPLE WILL ATTEMPT TO <br /> GAIN ENTRY ONTO THE SITE. FOR THIS REASON BARRIERS OF VARIOUS <br /> TYPES WILL ENCOMPASS THE 140Rk AREA. <br /> EXPOSURE MONITORING PLAN <br /> ENVIROMENTAL EXPOSURE WILL BE MONITORED PERIODICALLY USING A <br /> HANDHELD PID, PERSONNEL EXPOSURE MONITORING CIN ADITION TO THE <br /> REQUIRED ANNUAL CHECK—UP) WILL NOT BE CONDUCTED. <br /> PERSONNEL PROTECTION EQUIPMENT <br /> ALL WEGE PERSONNEL ALONG WITH SUB—CONTRACTORS, VISITORS, ETC. WILL <br /> WEAR HARD HATS AND STEELTOED FOOTWEAR WHILE WORKING ON THIS SITE. <br /> IF DETECTED VAPOR CONCENTRATIONS EXCEED EXPOSURE LIMIT VALUES, <br /> THEN ALL WEGE PERSONNEL cAND SUBCONTRACTORS) WILL DON DISPOSABLE <br /> TYVEK COVERALLS, DISPOSABLE VINYL OR LATEX GLOVES, REUSABLE RUBBER <br /> BOOTS, AND NON—WOVEN HALF FACE RESPIRATORS WITH SUITABLE FILTER <br /> CARTRIDGES. <br /> ON SITE. REUSABLEITEMS <br /> ITEMS WILLDEPOSITED <br /> DECONTAMINATEDSTEEL <br /> DRUM <br /> AND <br /> caO <br /> STORED FOR REUSE. <br />