toxic exposure
(37) The term “toxic exposure” includes the following: (A) A toxic exposure risk activity, as defined in section 1710(e)(4) of this title . (B) An exposure to a substance, chemical, or airborne hazard identified in the list under section 1119(b)(2) of this title .
Source
38 USC § 101(37)
Scoping language
None identified, default scope is assumed to be the parent (chapter 1) of this section.