Superfund Improvement Act of 1984

[AI summary unavailable — showing source text] Superfund Improvement Act of 1984 - Amends the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) ("Superfund") to allow immediate access to the full amount which will be available in the Hazardous Substance Response Trust Fund by removing: (1) a requirement that uses of the Fund be subject to such amounts as are provided in appropriation Acts; (2) a provision that limits aggregate advances to the Fund to the amount estimated for the Fund for the following 12-month period; and (3) provisions relating to advances for payment of response and other costs. Limits the State share of remedial costs for cleanup of facilities owned by State or local governments to no more than 50 percent of the total amount (or such lesser amount as the President may determine appropriate). Authorizes the use of the Fund to cover the costs of specified health surveys. Requires that at least five percent of the total amount expended from the Fund in any fiscal year be used to carry out epidemiologic studies and health surveys, development and maintenance of a registry of persons exposed to hazardous substances to allow long-term health effect studies, and diagnostic servi…