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highly toxic |
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highly toxic
Occupational medicine adjective Referring to a chemical that 1. Has a median lethal dose–LD50 of ≤ 50 mg/kg when administered orally to 200-300 g albino rats 2. Has an LD50 of ≤ 200 mg/kg
when administered by continuous contact for 24 hrs on the shaved skin of 2.0-3.0 kg albino rabbits 3. Has an LD50 of ≤ 200 ppm of volume of gas or vapor, or ≤ 2 mg/L of mist or dust, when adminstered by continuous inhalation to
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