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Ground Zero Analysis, Inc. <br /> SITE SAFETY PLAN <br /> FACILITY BACKGROUND <br /> The site is a residential property. Limited fueling activities formerly occurred on the property. <br /> WORK PLAN <br /> Task One: Advance up to three (3) soil borings using a truck mounted Geoprobe 5400 direct <br /> push drilling rig to maximum depths of approximately 20 feet below ground surface. Collect soil <br /> samples from each boring at minimum 5-foot intervals for logging and field screening. Submit <br /> selected samples to a state-certified laboratory for analysis. <br /> JOB HAZARD ANALYSIS AND SUMMARY <br /> Chemical Hazards <br /> PELISTEL/1pLH KNOWN <br /> TASK(S) CHEMICAL (SOIL, WATER, AIR, SIGNS/SYMPTOMS <br /> ETC.) CONCENTRATION <br /> 1 Benzene PEL 0.1 ppm (NIOSH)/ Unknown if present Irritation of eyes, nose, <br /> 1 ppm (OSHA) respiratory sys; giddiness, <br /> STEL 1 ppm (NIOSH)/ headaches, nausea, <br /> 5 ppm (OSHA) staggered gait, fatigue, <br /> IDLH 3,000 ppm anorexia, lassitude, <br /> dermatitis, human <br /> carcinogen. <br /> 1 Toluene PEL 100 ppm Unknown if present Fatigue, weakness; <br /> STEL 150 ppm confusion, euphoria, <br /> IDLH 2,000 ppm dizziness, headache; dilated <br /> pupils, tearing, nervousness, <br /> muscular fatigue, insomnia, <br /> paresthesia, dermatitis. <br /> 1 Ethylbenzene PEL 100 ppm Unknown if present Irritation of eyes, mucous <br /> STEL 125 ppm membranes; headache, <br /> IDLH 2,000 ppm dermatitis, narcosis, coma. <br /> 1 Xylenes PEL 100 ppm Unknown if present Dizziness, excitement, <br /> STEL 150 ppm drowsiness, incoordination, <br /> IDLH 10,000 ppm staggering gait, irritation of <br /> eyes, nose, throat; corneal <br /> vacuolization; anorexia, <br /> nausea, vomiting, <br /> PAGE 2 <br />