Science & Technology
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EML HASL-300 Method Pu-12-RC: Plutonium and/or Americium in Soil or Sediments
This method uses microprecipitation and alpha spectrometry for analysis of americium, californium or curium in small soil or sediment samples.
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DOE SRS Actinides and Sr-89/90 in Soil Samples
This method uses alpha spectrometry and beta counting to determine strontium-89/90 in soil and sediment.
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EML HASL-300 Method Tc-02-RC: Technetium-99 in Water – TEVA® Resin
This method uses liquid scintillation counting for qualitative and confirmatory analysis of technetium in water samples.
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EML HASL-300 Method Ga-01-R: Gamma Radioassay
Procedures are described for measurement of gamma photons emitted by radionuclides using gamma spectrometry.
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EML HASL-300 Method Sr-03-RC: Strontium-90 in Environmental Samples
This method uses low-background gas proportional beta counting for analysis of strontium in environmental samples.
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National Research Council Experts – October 2014
Today, EPA announced that the Integrated Risk Information System (IRIS) Program’s Bimonthly Public Science meetings will be supplemented with independent scientific experts identified by the National Academies’ National Research Council (NRC).
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Request for Correction 40 CFR 302
Request for correction of information under the Data Quality Act, as implemented though the Office of Management and Budget and the United States Environmental Protection Agency
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Response to Request for Correction 40 CFR 302
Office of Solid Waste and Emergency Response responds to the request for correction of information under the Data Quality Act
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Information Quality Act Request for Correction Regarding Impacts of Biofuel Mandates on Global Hunger and Mortality
Request for correction of information by the Competitive Enterprise Institute and ActionAid USA
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Mismeasuring Methane
Estimating Greenhouse Gas Emissions from Upstream Natural Gas Development
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Attachment B: URS Shale Gas Emissions Analysis
This data was provided in response to a request by ANGA for actual current data that could be compared to EPA's assumptions used in the newly proposed "Oil and Natural Gas Air Pollution Standards, Subpart quad 0"
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January 3, 2005 RFC: Potential Ground-Water Flow Directions and Contaminant Fate and Transport in the Plaquemine Aquifer
Request submitted on behalf of the Dow Chemical Company
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June 1, 2005 EPA response to RFC: Potential Ground-Water Flow Directions and Contaminant Fate and Transport in the Plaquemine Aquifer
EPA response to the Request for Correction (RFC)
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EPA's Approach for Assessing the Risks Associated with Chronic Exposure to Carcinogens
The purpose of this Background Document is to provide a framework to interpret the information presented in the Carcinogenicity Assessment Section of the IRIS chemical files.
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Mouse Lung Tumor Workshop (Jan 2014): Meeting Materials
These presentations were given by Jason Fritz, Eric Garshick, James Collins, Brigitte Gomperts and Daniel Krewski at the IRIS Mouse Lung Tumor Workshop on January 7-8, 2014.
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Water Reuse and Nature-based Solutions
e nature-based solutions can offer benefits for a variety of environmental challenges, this page focuses on their potential in addressing specific problems facing the water sector.
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Water Reuse Infrastructure Funding Programs
Page summarizing funding sources for water reuse projects
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Program Contacts for Passaic River
This page has program contact information for the Passaic River location in New Jersey
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Compliance Information for Light-Duty Greenhouse Gas (GHG) Standards
Provides compliance information for manufacturers producing vehicles and engines subject to greenhouse gas standards.
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Other IRIS Program Materials
This page includes links to IRIS reports that were submitted to Congress, NRC and GAO.