compressed gas in solution) which is required to be shipped as UN Class 2.2 under 49 CFR 173.115 (b). This

means a "non-flammable, non-poisonous compressed gas" material (or mixture) which:

(a) Exerts in the packaging a pressure of 41 psia (280 kPa) or higher at 20oC (68oF), and

(b) Does not meet the definition of a Flammable Gas (HCC G2), a Poison Gas (HCC G1), a Corrosive Gas (HCC

G5), or an Oxidizing Gas (HCC G4).

(a) Meets the definition of a Nonflammable Gas (HCC G3), except is an oxidizer; and

(b) Does not meet the definition of Poison Gas (HCC G1) or Flammable Gas (HCC G2); and

(c) Requires an Oxidizer label and a Nonflammable Gas label for transportation under 49 CFR.

(a) Meets the definition of a Nonflammable Gas (HCC G3), except it is corrosive; and

(b) Does not meet the definition of Poison Gas (HCC G1) or Flammable Gas (HCC G2); and

(c) Requires a Corrosive label and a Nonflammable Gas label for transportation under 49 CFR.

mixture) which:

(a) Meets the definition of a Nonflammable Gas (HCC G3), except it is poisonous and corrosive; and

(b) Does not meet the definition of a Flammable Gas (HCC G2) or an Oxidizing Gas (HCC G4); and

(c) Meets the definition of a Poison Gas (HCC G1); and

(d) Requires a Corrosive label and a Poison Gas label for transportation under 49 CFR.

mixture) which:

(a) Meets the definition of a Nonflammable Gas (HCC G3), except it is oxidizing and poisonous; and

(b) Does not meet the definition of a Flammable Gas (HCC G2) or a Corrosive Gas (HCC G5); and

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