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// DEFINITION

Highly Toxic Material

  • A chemical that is lethal at the following doses or concentrations:
    1. A chemical that has a median lethal dose (LD50) of 50 milligrams or less per kilogram of body weight when administered orally to albino rats weighing between 200 and 300 grams each;
    2. A chemical that has a median lethal dose (LD50) of 200 milligrams or less per kilogram of body weight when administered by continuous contact for 24 hours (or less if death occurs within 24 hours) with the bare skin of albino rabbits weighing between 2 and 3 kilograms each; or
    3. A chemical that has a median lethal concentration (LC50) in air of 200 parts per million by volume or less of gas or vapor, or 2 milligrams per liter or less of mist, fume or dust, when administered by continuous inhalation for 1 hour (or less if death occurs within 1 hour) to albino rats weighing between 200 and 300 grams each.
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    Related Code Sections

    2702.2.10 Electrical, Highly Toxic and Toxic Materials
    Emergency power shall be provided for occupancies with highly toxic or toxic materials in accordance with the New York City Fire Code ...
    2702.2.10 Electrical, Highly Toxic and Toxic Materials
    Emergency power shall be provided for occupancies with highly toxic or toxic materials in accordance with the New York City Fire Code ...