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K. Dermal Toxicity data is summarized in the following three categories: <br /> Skin penetration <br /> A - negligible penetration (solid-polar) <br /> B - slight penetration (solid-nonpolar) <br /> C - moderate penetration(liquid-nonpolar) <br /> D - high penetration (gas/liquid-nonpolar) <br /> r—; <br /> s <br /> s <br /> Systemic Potency <br /> k <br /> j f^. <br /> E - slight hazard - LDr = 500-15,000 mg/kg <br /> I lethal dose for 70 kg man = 1 pint-1 quart <br /> F - moderate hazard - LDSO = 50-500 mg/kg <br /> lethal dose for 70 kg man = 1 ounce-1 pint <br /> G - extreme hazard - LD50 = 10-50 mg/kg <br /> f <br /> lethal dose for 70 kg man = drops to 20 ml <br /> a <br /> f Local Potency <br /> p� H - slight - reddening of skin <br /> -� I - moderate - irritation/inflammation of skin <br /> c W- J - extreme -tissue destruction/necrosis <br /> L. Acute Exposure Symptoms <br /> A - abdominal pain <br /> B - central nervous system depression <br /> �^ C - comatose <br /> D - convulsions <br /> E - confusion <br /> F - dizziness <br /> G - diarrhea <br /> i H - drowsiness <br /> I - eye irritation <br /> J -fever <br /> K- headache <br /> L - nausea <br /> M - respirator; system irritation <br /> i N - skin irritation <br /> i O - tremors <br /> ~4 P - unconsciousness <br /> t Q -vomiting <br /> R - weakness <br />