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i <br /> 1 <br /> i iE �7 <br /> TETRAETHYL LEAD 0 .0067PPM N.A. 3. 6ppm <br /> I <br /> # TETRACHLOROETHYLENE 25ppm ( 8hr) N.A.500 PPM/CARCINOGEN <br /> 1 ,2 ,-DICHLOROETHYLENE 200 ppm ( 8hrs ) N.A. 4000 ppm <br /> I TRICHLOROETHYLENE 25 ppm short term N.A. CARCINOGEN <br /> i, PROLONGED EXPOSURES TO CONCENTRATIONS ABOVE THE LIMITS NOTED MAY <br /> ' AFFECT THE CENTRAL NERVOUS SYSTEM, CARDIOVASCULAR SYSTEM, <br /> I ' RESPIRATORY SYSTEM, EYES, SKIN, KIDNEYS , BONES AND BONE MARROW . <br /> i RESEARCH HAS SHOWN THAT BENZENE, TETRACHLOROETHYLENE, CIS 1 . 2 .- <br /> DICHLOROETHYLENE AND TRICHLOROETHYLENE ARE KNOWN CARCINOGENS . <br /> { IMMEDIATE SYMPTOMS OF OVER--EXPOSURE INCLUDE: EYE IRRITATION, NOSE <br /> I AND THROAT IRRITATION, HEADACHE, TREMORS , NAUSEA, DIZZINESS , <br /> DROWSINESS , WEAKNESS , CONFUSION, EUPHORIA, EXCITEMENT, STAGGERED <br /> GAIT, ABDOMINAL PAIN, RESPIRATORY DIFFICULTIES , MUSCLE FATIGUE, <br /> COMA, CARDIAC ARRHYTHMIAS AND PARESTHESIA. <br /> DUE TO THE INHERENT PHYSICAL DANGER OF WORKING IN THE VICINITY OF <br /> MOVING HEAVY MACHINERY, ALL PERSONNEL WILL WEAR HARDHATS AND STEEL <br /> TOED FOOTWARE AT ALL TIMES . <br /> I PERSONNAL EXPOSURES TO EXCESSIVE JOB-RELATED HAZARDS ARE EXPECTED <br /> TO BE MINIMAL USING THESE SAFEGUARDS . <br /> IT SHOULD BE NOTED THAT SUMMER TIME HEAT MAY INITIATE WEATHER <br /> STRESS-RELATED PROBLEMS AND DECREASE PRODUCTIVITY ON THE JOB SITE. <br /> SMOKING IS PROHIBITED AROUND OR NEAR THE WORK AREA. <br /> E RISK ASSESSMENT <br /> HAZARDOUS LEVELS OF CONTAMINATION MAYBE ENCOUNTERED DURING FLUID <br /> i REMOVAL FROM THE CONDENSATE TRAPS AND VAPOR SAMPLING OF THE <br /> EXTRACTION SYSTEM OF THIS PROJECT. <br /> I <br /> THE PRIMARY SAFETY GOAL DURING THE CONTAMINATION ANALYSIS IS TO <br /> PROTECT THE SAMPLING TEAM, DRILLING TEAM AND SUPPORT STAFF WHILE <br /> ' I THE THEY ACQUIRE REPRESENTATIVES SAMPLES , REMOVE FLUIDS AND <br /> MONITOR AIR QUALITY. IF PROPER LEL VALUES ARE MAINTAINED, THEN <br /> THE RISK OF EXPLOSION AND RESULTING FIRE WILL BE MINIMAL. DUE TO <br /> j THE UNCONFINED NATURE OF THE PROJECT SITE, VAPORS RELEASED DURING <br /> OPERATIONS WILL BE SUFFICIENTLY DILUTED BY AMBIENT AIR SO THAT THE <br /> I <br /> SURROUNDING COMMUNITY WILL NOI BE EXPOSED. in ORDER TO ASS'iE <br /> THAT VAPOR DISPERSAL IS ADEQUATE, A HANDHELD PHOTO IONIZING <br /> DETECTOR (PID) OR A PORTABLE PID-GC WILL BE USED TO MONITOR VAPOR <br /> CONCENTRATIONS . <br /> Common sense in regards to the drilling rig and equipment is a <br /> must. <br />