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Integrated Science Assessment (ISA) for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter - Ecological Criteria (First External Review Draft, Mar 2017)
EPA announced the availability of the first external review draft of the Integrated Science Assessment (ISA) for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter - Ecological Criteria for public comment and review in a March 30, 2017 Federal Register Notice. The deadline for comments is May 24, 2017.
U.S. EPA. Integrated Science Assessment (ISA) for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter - Ecological Criteria (First External Review Draft, Mar 2017). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-16/372, 2017.
This draft ISA document represents a concise synthesis and evaluation of the most policy-relevant science and will ultimately provide the scientific bases for EPA’s decision on retaining or revising the current secondary standards for NO2, SO2, PM 2.5 and PM 10 since the prior release of the assessment.
The intent of the ISA, according to the CAA, is to “accurately reflect the latest scientific knowledge expected from the presence of [a] pollutant in ambient air” (U.S. Code, 1970a, 1970b). It includes scientific research from atmospheric sciences, exposure and deposition, biogeochemistry, hydrology, soil science, marine science, plant physiology, animal physiology, and ecology conducted at multiple scales (e.g., population, community, ecosystem, landscape levels). Key information and judgments formerly found in the Air Quality Criteria Documents (AQCDs) for oxides of nitrogen, oxides of nitrogen and particulate matter for ecological effects are included; Appendixes provide additional details supporting the ISA. Together, the ISA and Appendixes serve to update and revise the last oxides of nitrogen and oxides of sulfur ISA which was published in 2008 and the ecological portion of the last particulate matter ISA, which was published in 2009.
URLs/Downloads:CASAC'S REVIEW OF THE EPA’S INTEGRATED SCIENCE ASSESSMENT FOR OXIDES OF NITROGEN, OXIDES OF SULFUR, AND PARTICULATE MATTER – ECOLOGICAL CRITERIA, FIRST REVIEW DRAFT (PDF,168 pp, 1178 KB, about PDF)
Integrated Review Plan for the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter (EPA/452/R-17/002) (PDF,102 pp, 1022 KB, about PDF)
FR Notice: Mar 30, 2017 Exit
SAB FR Notice: Mar 30, 2017 Exit
AGENCY CHARGE (PDF,5 pp, 1995 KB, about PDF)
Integrated Science Assessment for Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter -- Ecological Criteria (PDF,1412 pp, 27023 KB, about PDF)
HERO Project Page for the NOx, SOx PM (Ecological Criteria) Assessment
EPA Docket: EPA-HQ-ORD-2013-0620 Exit
Peer Review Plan (PDF,NA pp, 36 KB, about PDF)
SEE FR NOTICE. COMMENT PERIOD CLOSED Exit
Record Details:Record Type: DOCUMENT (ASSESSMENT DOCUMENT)
Organization:U.S. ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
NATIONAL CENTER FOR ENVIRONMENTAL ASSESSMENT
RESEARCH TRIANGLE PARK NC
ENVIRONMENTAL MEDIA ASSESSMENT GROUP