Science & Technology
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RFC 21005 – Chloroprene
RFC 21005 Chloroprene, Denka, Request for correction, Toxicological Review of Chloroprene, CAS No. 126-99-8, IRIS,
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Fluid Column and Flow Borehole Methods
fluid column and flew borehole logging
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Nuclear Borehole Geophysics
nuclear borehole geophysics
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Physical and Imaging Borehole Methods
borehole geophysics imaging and physical methods
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Magnetic Susceptibility Borehole Logging
Borehole Magnetic Susceptibility
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Natural Gamma and Spectral Gamma Borehole Logging
Natural and spectral gamma borehole logging
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Decision Support
Geophysical Decision Support Tools
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Electrical Conductivity and Resistivity
Inversion is a post-processing step, where geophysical parameters can be transformed to geologic data, existence of oil, minerals, and water content
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Waterborne Geophysical Methods
Magnetic methods measure the earth’s total magnetic field at each measurement location.
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Basic Information about the Emission Standards Reference Guide for On-road and Nonroad Vehicles and Engines
The page contains overview information on mobile sources, EPA's approach to regulating the emissions from mobile sources, and the vehicle/engine certification process.
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RFC 18003 - OAR MON RTR Rulemaking
This action finalizes the residual risk and technology review (RTR) conducted for the Miscellaneous Organic Chemical Manufacturing source category regulated under national emission standards for hazardous air pollutants (NESHAP).
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RFC 21002 - Carbon Tetrachloride
This is a Request for Correction Risk Evaluation for Carbon Tetrachloride; EPA-HQ-OPPT-2019-0499
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RFR 18003A - Request for Reconsideration Received 3/14/2022
Document page for RFR 18003A with attachments
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EPA Geospatial Strategic Plan
This page provides access to the EPA Geospatial Strategic plan for Fiscal Year (FY) 2023 - 2027. This plan provides direction and guidance for the EPA Geospatial Program to identify priorities that support the Agency's mission now and in the future.
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Non-EPA Emission Standards Resources and Guides
This web page provides links with information related to the information found in the Federal Emission Standards Reference Guide.
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All EPA Emission Standards
This page provides links to all federal emission standards on the Emission Standards Reference Guide site for mobile sources, driving cycles and fuel sulfur standards
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EPA Region 3 Sensor Loan Program
This program is to assist community groups, educators, state agencies, local agencies, and tribes with conducting small-scale localized air monitoring projects.
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Integrated Approach for Mixed Metal Oxides New Chemicals Review
Integrated Approach for Mixed Metal Oxides New Chemicals Review
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Data & Data Products: Terminology Services Widget
Information about and embed code for EPA's Terminology Services Widget