(Hawaiian Volcano Observatory, U.S. Geological Survey, 1979)
Quality Improvement Act of 1970, as amended (42 U.S.C. 4371 et see.), sec. 309 of the Clean Air Act, as amended (42 U.S.C. 7609) and E.O. 11514, Mar. 5, 1970, as amended by E.O. 11991, May 24, 1977). SOURCE: 43 FR 55990. ...