Section 1. Treatment as radiation-risk activities
Section 1112(c)(3)(B) of title 38, United States Code, is amended by adding at the end the following new clause:
(viii) At any time on or after January 1, 1972, onsite participation in any aspect of the development, construction, operation, or maintenance of a military installation (as defined in section 2801 of title 10) at the Nevada Test and Training Range, Nevada.
Section 2. Presumptions of toxic exposure
Section 1119(c)(1) of such title is amended—
(1) by redesignating subparagraphs (A) and (B) as subparagraphs (B) and (C), respectively; and
(2) by inserting before subsection (B), as so redesignated, the following:
(A) on or after January 1, 1972, performed active military, naval, air, or space service while assigned to a duty station in, including airspace above, the Nevada Test and Training Range, Nevada;
Section 3. Presumption of service connection
Section 1120(b) of such title is amended—
(1) by redesignating paragraph (15) as paragraph (16); and
(2) by inserting after paragraph (14) the following new paragraph:
(15) Only in the case of a covered veteran described in section 1119(c)(1)(A), lipomas and tumor related conditions.