A bill to extend the Superfund legislation for five additional years and to provide for annual 5 percent increases in the funding levels after September 30, 1985, and for other purposes.

Amends the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ("Superfund") to extend the authorization of appropriations to the Hazardous Substance Response Trust Fund ("Response Trust Fund") for five additional years, through FY 1990. Provides for annual five percent increases in funding levels for each of such five additional years after FY 1985.

Makes a conforming amendment extending by five years the period to be covered by the Secretary of the Treasury's annual report to the Congress on the management of the Response Trust Fund.

Extends the authority to collect taxes conferred by such Act through FY 1990 (unless specified amount's are received in the Treasury before such date).

Amends the Internal Revenue Code to provide for five-year extensions of provisions for an environmental tax on petroleum.

Provides for an annual five percent rate increase after FY 1985 in the environmental taxes on petroleum, certain chemicals, and hazardous wastes.

Provides for a five-year postponement of the tax on the receipt of hazardous waste at a qualified hazardous waste disposal facility. Makes such tax apply to such receipt after September 30, 1983.