74 S T A T. ]
PUBLIC LAW 86-613-JULY 12, 1960
(h)(1) The term "highly toxic" means any substance which falls within any of the following categories: (a) Produces death within fourteen clays in half or more than half of a group of ten or more laboratory white rats each weighing between two hundred and three hundred grams, at a single dose of fifty milligrams or less per kilogram of body weight, when orally administered; or (b) produces death within fourteen days in half or more than half of a group of ten or more laboratory white rats each weighing between two hundred and three hundred grams, when inhaled continuously for a period of one hour or less at an atmospheric concentration of two hundred parts per million by volume or less of gas or vapor or two milligrams per liter by volume or less of mist or dust, provided such concentration is likely to be encountered by man when the substance is used in any reasonably foreseeable manner; or (c) produces death within fourteen days in half or more than half of a group of ten or more rabbits tested in a dosage of two hundred mifligrams or less per kilogram of body weight, when administered by continuous contact with the bare skin for twenty-four hours or less. (2) If the Secretary finds that available data on human experience with any substance indicate results different from those obtained on animals in the above-named dosages or concentrations, the human data shall take precedence. (i) The term "corrosive" means any substance which in contact with living tissue will cause destruction of tissue by chemical action; but shall not refer to action on inanimate surfaces. (j) The term "irritant" means any substance not corrosive within the meaning of subparagraph (i) which on immediate, prolonged, or repeated contact with normal living tissue will induce a local mflammatory reaction. (k) The term "strong sensitizer" means a substance which will cause on normal living tissue through an allergic or photodynamic process a hypersensitivity which becomes evident on reapplication of the same substance and which is designated as such by the Secretary. Before designating any substance as a strong sensitizer, the Secretary, upon consideration of the frequency of occurrence and severity of the reaction, shall find that the substance has a significant potential for causing hypersensitivity. (1) The term "extremely flammable" shall apply to any substance which has a flash point at or below twenty degrees Fahrenheit as determined by the Tagliabue Open Cup Tester, and the term "flammable" shall apply to any substance which has a flash point of above twenty degrees to and including eighty degrees Fahrenheit, as de' ermined by the Tagliabue Open Cup Tester; except that the flammability of solids and of the contents of self-pressurized containers shall be determined by methods found by the Secretary to be generally applicable to such materials or containers, respectively, and established by regulations issued by him, which regulations shall also define the terms "flammable" and "extremely flammable" in accord with such methods. (m) The term "radioactive substance" means a substance which emits ionizing radiation. (n) The term "label" means a display of written, printed, or graphic matter upon the immediate container of any substance; and a requirement made by or under authority of this Act that any word, statement, or other information appear on the label shall not be considered to be complied with unless such word, statement, or other information also appears (1) on the outside container or wrapper, if any there be, unless it is easily legible through the outsicje container or wrapper and (2) on all accompanying literature wl>ere there are directions for use, written or otherwise.
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