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Ground Zero Analysis, Inc. <br /> SITE SAFETY PLAN <br /> FACILITY BACKGROUND <br /> A clandestine methamphetamine lab previously operated from a mobile home on the property. A <br /> septic system that served the mobile home has been found to be contaminated by various <br /> constituents of concern. <br /> WORK PLAN <br /> Task One: Use hand auger to collect soil samples from two feet beneath the septic tank, the <br /> distribution box and the ends of the two leach lines. <br /> Task Two: Transfer contained water into a large open topped container. Allow to evaporate. <br /> Sample the resulting sludge for constituents of concern. <br /> JOB HAZARD ANALYSIS AND SUMMARY <br /> Chemical Hazards <br /> PEL/STEL/IDLH KNOWN <br /> TASK(S) CHEMICAL (SOIL, WATER, AIR, SIGNS/SYMPTOMS <br /> ETC.) CONCENTRATION <br /> 1,2 Gasoline PEL 300 ppm 2,800 ppb Irritation of eyes, skin, <br /> STEL 500 ppm mucous membranes; <br /> dermatitis; head fatigue, <br /> blurred vision, dizziness, <br /> slurred speech, confusion, <br /> convulsion; chemical <br /> pneumonia; possible liver, <br /> kidney damage, carcinogen. <br /> 1,2 Benzene REL 0.1 ppm (NIOSH) 6.3 ppb Irritation of eyes, nose, <br /> PEL 1.0 ppm (OSHA) respiratory sys; giddiness, <br /> STEL 1.0 ppm (NIOSH) headaches, nausea, <br /> 5.0 ppm (OSHA) staggered gait, fatigue, <br /> IDLH 500 ppm anorexia, lassitude, <br /> dermatitis, human <br /> carcinogen. <br /> 1,2 Toluene STEL 150 ppm 21 ppb Fatigue, weakness; <br /> PEL 200 ppm confusion, euphoria, <br /> Celing 300 ppm dizziness, headache; dilated <br /> IDLH 500 ppm (10 min pupils, tearing, nervousness, <br /> max peak) muscular fatigue, insomnia, <br /> paresthesia, dermatitis. <br /> PAGE 4 <br />