21.3.1 Products are deemed to be hazardous and subject to
chapter 17
of the IBC Code if they meet one or more of the following criteria:
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.1 inhalation LC50/ATE ≤ 20 mg/L/4h (see paragraph
21.7.1.3) (C3 = 1, 2, 3 or 4);
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.2 dermal LD50/ATE ≤ 2000 mg/kg (see paragraph 21.7.1.2)
(C2 = 1, 2, 3, or 4);
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.3 oral LD50/ATE ≤ 2000 mg/kg (see paragraph 21.7.1.1) (C1
= 1, 2, 3, or 4);
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.4 toxic to mammals by prolonged exposure (see paragraph 21.7.2) (D3
= C, M, R, N, T, or I);
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.5 cause skin sensitization (see paragraph 21.7.3) (D3 = Ss);
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.6 cause respiratory sensitization (see paragraph 21.7.4) (D3 = Sr);
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.7 corrosive to skin (see paragraph 21.7.5) (D1 = 3, 3A, 3B, or 3C);
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.8 with a Water Reactive Index (WRI) of ≥ 1 (see paragraph 21.7.6);
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.9 require inertion, inhibition, stabilization, temperature control or
tank environmental control in order to prevent a hazardous reaction (see
definitions in paragraph 21.7.10);
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.10 flashpoint < 23°C; and have an explosive/flammability range
(expressed as a percentage by volume in air) of ≥ 20%;
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.11 auto-ignition temperature of ≤ 200°C; and
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.12 classified as pollution category X or Y or meeting the criteria
for rules 11 to 13 in table 2 in paragraph 21.4.5.2.