1. Short title This Act may be cited as the Improving Science in Chemical Assessments Act . 2. Research needs and priorities of EPA program offices The Environmental Research, Development, and Demonstration Authorization Act is amended by striking section 7 ( 42 U.S.C. 4364 ) and inserting the following: 7. Research needs and priorities of EPA program offices (a) In general The Administrator of the Environmental Protection Agency shall assure that the expenditure of any funds appropriated pursuant to this Act or any other provision of law for environmental research and development related to regulatory program activities shall be coordinated with and reflect the research needs and priorities of the relevant program offices, as well as the overall research needs and priorities of the Agency, including those defined in the five-year research plan. (b) Hazard identification and dose-Response assessments Beginning on the date of the enactment of the Improving Science in Chemical Assessments Act , any covered assessments carried out with respect to a chemical substance through the Integrated Risk Information System program of the Environmental Protection Agency as of the day before such date of enactment shall, in lieu of being carried out through such program, be carried out by the relevant program office of the Environmental Protection Agency, so long as the relevant program office determines there is a need for such an assessment. Such an assessment shall be carried out using the scientific standards specified in section 7B and be based on the weight of the scientific evidence. (c) Toxicity values In carrying out a covered assessment with respect to a chemical substance under subsection (a), the relevant program office shall assign a toxicity value or values, when scientifically supported by the available data, for such chemical substance. With respect to that assignment, the following shall apply: (1) When supported by the available data, the toxicity value or values shall include a range of point estimates of