Superfund Expansion and Protection Act of 1984

[AI summary unavailable — showing source text] Superfund Expansion and Protection Act of 1984 - Title I: Provisions Relating Primarily to Response and Liability - Amends the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (Superfund) (CERCLA) (the Act) to revise the definition of "hazardous substance" to include petroleum (including crude oil or any fraction thereof) which: (1) is released from an underground storage tank (as defined in title IV of this title); or (2) may present a significant risk to human health. Transfers the definition of "pollutant or contaminant" from under provisions for response authorities under the Act to among the definitions for purposes of the entire Act. Provides that such term shall include petroleum (including crude oil or any fraction thereof) only in the case of a release from an underground storage tank as defined in title IV of this title. Adds references to "pollutants or contaminants" under specified provisions of the Act. Directs the Administrator of the Environmental Protection Agency (EPA) (the Administrator) to promulgate regulations, within six months after enactment of this Act, establishing that one single quantity shall be the reportable quantity of an…