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C. HAZARD EVALUATION <br /> LISTS HAZARDS BY TASK. (Cross-reference task numbers in Section D). <br /> Task 1: Drilling(one soil boring) <br /> Task 2: <br /> Task 3: <br /> Task 4: <br /> Task 5• <br /> Task 6: <br /> CHEMICAL HAZARD EVALUATION: <br /> Route of Odor Odor <br /> Compound PEL•/TWA•• Exposure Acute Symptoms Threshold Description <br /> Benzene 1/0.1 Inhalation/Dermal Confusion, euphoria, vomiting, 1-5 ppm Aromatic <br /> dizziness <br /> Toluene 200/100 Inhalation/Dermal Confusion, euphoria, vomiting, 1-5 ppm Aromatic <br /> dizziness <br /> Ethylbenzene 100 Inhalation/Dermal Confusion, euphoria, vomiting, 1-5 ppm Aromatic <br /> dizziness <br /> Xylenes 100/100 Inhalation/Dermal Confusion, euphoria, vomiting, 1-5 ppm Aromatic <br /> dizziness <br /> Dust N/A Inhalation N/A N/A N/A <br /> Permissible exposure limit(maximum for any period) <br /> •• Time weighted average(concentration for 8 hour work day) <br /> D. SITE SAFETY WORK PLAN <br /> SITE CONTROL: ATTACH MAP OF SITE SHOWING HOT ZONE, CONTAMINATION REDUCTION ZONE, ETC. <br /> I I Perimeter Identified? [ I Site Secured? [X I Work Area Designated? [X I Zone(s)of Contamination Identified? <br /> ANTICIPATED LEVEL OF PROTECTION (cross-reference task numbers in Section C): <br /> A B C D <br /> Task 1 X <br /> Task 2 <br /> Task 3 <br /> Task 4 <br /> MODIFICATIONS: All site workers will have respirators on-site with organic vapor and hepa cartridges. <br /> 2140OSSPAN1 Page 2 <br />