In this subchapter, the term "upper atmosphere" means that portion of the Earth's sensible atmosphere above the troposphere.

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Historical and Revision Notes


Source (U.S. Code) Source (Statutes at Large)
20162 42 U.S.C. 2482. Pub. L. 85–568, title IV, §402, as added Pub. L. 94–39, §8, June 19, 1975, 89 Stat. 222.

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