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' D - high penetration (gas/liquid-nonpolar) <br /> Systemic Potency <br /> E - slight hazard - LD50 = 500-15,000 mg/kg <br /> lethal dose for 70 kg man = 1 pint-1 quart <br /> F - moderate hazard - LD50 = 50-500 mg/kg <br /> lethal dose for 70 kg man = 1 ounce-1 pint <br /> G - extreme hazard - LD Sg0 = 10-50 mg/kg <br /> lethal dose for 70 P9 man = drops to 20 rel <br /> Local Potency <br /> H -- slight - reddening of skin <br /> I - moderate - irritation/inflammation of skin <br /> J - extreme - tissue destruction/necrosis <br /> Acute Exposure Symptoms t <br /> f" A - abdominal pain <br /> B -- central nervous system depression <br /> C - comatose <br /> D - convulsions <br /> E confusion E <br /> kw F - dizziness <br /> G - diarrhea <br /> H - drowsiness <br /> L; I - eye irritation <br /> J - fever <br /> K - headache <br /> L - nausea <br /> M - respiratory system irritation <br /> N - skin irritation <br /> O - tremors ' <br /> P - unconsciousness t <br /> Q - vomiting a <br /> �^ R - weakness <br /> t <br /> - t <br /> � 1 <br /> � a <br /> b1 <br />