chronic silicosis
Defined in 1 dictionary — U.S. Code
United States Code
42 U.S.C. § 7384R — for purposes of this subchapter (2 versions over time)
For purposes of this subchapter, the term “chronic silicosis” means a nonmalignant lung disease if—
(1) the initial occupational exposure to silica dust preceded the onset of silicosis by at least 10 years; and
(2) a written diagnosis of silicosis is made by a medical doctor and is accompanied by—
(A) a chest radiograph, interpreted by an individual certified by the National Institute for Occupational Safety and Health as a B reader, classifying the existence of pneumoconioses of category 1/0 or higher;
(B) results from a computer assisted tomograph or other imaging technique that are consistent with silicosis; or
(C) lung biopsy findings consistent with silicosis.