Integrated Science Assessment for Lead (Third External Review Draft)
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The references considered for inclusion in, or cited in, the first and second external review drafts of the ISA are available at http://hero.epa.gov/lead (the cited or considered results may also be refined by scientific subjects such as ecological effects, health effects, exposure, toxicokinetics, and atmospheric science).
Lead is one of six principal (or “criteria”) pollutants for which EPA has established NAAQS. Periodically, EPA reviews the scientific basis for these standards by preparing an Integrated Science Assessment (ISA) (formerly called an Air Quality Criteria Document). The ISA provides a concise review, synthesis, and evaluation of the most policy-relevant science to serve as a scientific foundation for the review of the NAAQS. The CASAC, an independent science advisory committee mandated by Section 109 (d) (2) of the Clean Air Act, is charged with independent scientific review of EPA's air quality criteria.
|May 2011||EPA released the Integrated Science Assessment for Lead (First External Review Draft) (EPA /600/R-10/075A) for public review and comments. [Federal Register May 6, 2011]|
|Jun 2011||EPA's Science Advisory Board's CASAC announced the meeting of the Lead Review Panel for the review of the EPA's Integrated Science Assessment for Lead (1st ERD Draft). [Federal Register Jun 21, 2011]|
|Jul 2011||EPA announced an extension on the comment period, the new deadline for submitting comments was moved to July 19, 2011. [Federal Register Notice Jul 1, 2011]|
|Feb 2012||EPA released the Integrated Science Assessment for Lead (Second External Review Draft) (EPA /600/R-10/075B) for public review and comments. [Federal Register Feb 2, 2012]|
|Mar 2012||EPA's Science Advisory Board's CASAC announces a series of meetings for the Lead Review Panel regarding the review of the EPA's Integrated Science Assessment for Lead (2nd ERD). [Federal Register Mar 13, 2012]|
|Nov 2012||EPA releases the Integrated Science Assessment for Lead (Third External Review Draft) (EPA /600/R-10/075C) for public review and comments. [Federal Register Nov 27, 2012]|
|Jan 2013||EPA's Science Advisory Board's CASAC announced a 2-day meeting to discuss the review of the third review draft of the Lead ISA on February 5 -6, 2013. [Federal Register Notice Jan 7, 2013]|
This download(s) is distributed solely for the purpose of pre-dissemination peer review under applicable information quality guidelines. It has not been formally disseminated by EPA. It does not represent and should not be construed to represent any Agency determination or policy.