Science & Technology
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About GCX Critical Loads
The CL Mapper Tool contains data from a variety of pre-existing deposition, CL, and overlay datasets.
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Application Programming Interface (API)
Application Program Interfaces at EPA including API strategy and a list of available APIs
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Basic Information About Provisional Peer-Reviewed Toxicity Values (PPRTVs)
Learn more about what PPRTVs, who develops them, and how they are used on this basic information page which also includes guidance and tool links, steps to the PPRTV development process and history of the program.
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Grants API
The Grants API allows users to query grants data in NGGS.
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Kentuckey/West Virginia Coal Slurry Spill Martin County Coal Corporation Pollution Report Number 23
Contains current activity report to EPA on Kentuckey/West Virginia Coal Slurry Spill Martin County Coal Corporation Pollution, December 21, 2000
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PCS- 404 Permit - Gregory Summary E-mail
Contains summary of meeting of 404 permit with Dr. James Gregory, PCS Phosphate Mine expansion, Aurora, Beaufort County, NC, April 17, 2009, e-mail sent on 4/20/2009
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Appendix F2 - EDR Summary of Hercules, Inc.
EDR Identified Public Supply Wells - Regulatory agency database searches and the information obtained is summarized.
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Revised Quality Assurance Project Plan (QAPP) for Hercules, Inc.
Revised Quality Assurance Project Plan (QAPP) for Hercules, Inc. in Hattiesburg, MS prepared by Arcadis, Nov. 30, 2011. USEPA RCRA 3013(a) Administrative Order, EPA ID No. MSD 008 182 081, Docket No. RCRA-04-2011-4251, MDEQ AI No. 2022
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TestAmerica Analytical Report of Hercules, Inc. site
Analytical report of Hercules, Inc site in Hattiesburg, MS, prepared by TestAmerica Laboratories, Inc., Aug. 25, 2011. Job ID 680-70818-1
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Appendix A EPA Approval of the former Chemical Plan
Interim Measures Work Plan Letter dated April 16, 2012
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Memorandum to Timothy Hassett, Hercules Incorporated dated Oct 3, 2008
Memorandum dated October 3, 2008 from Eco-Systems, Inc. to Hercules, Incorporated in Hattiesburg, Mississippi about Sludge Sample Analyses
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Determine Emissions Sources
Use EPA's Excel-based calculator to estimate a small business or low emitter organization's GHG emissions.
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Calculator Resources
Use EPA's Excel-based calculator to estimate a small business or low emitter organization's GHG emissions.
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The External Costs of Industrial Chemical Accidents: A Nationwide Property Value Study
This is a working paper titled "The External Costs of Industrial Chemical Accidents: A Nationwide Property Value Study "
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Simplified GHG Emissions Calculator
Use EPA's Excel-based calculator to estimate a small business or low emitter organization's GHG emissions.
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Natural Hazard Mitigation Resources
Resources on integrating NPS management and hazard mitigation/resilience planning.
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Grants Reporting and Tracking System (GRTS)
319 Grant data entry for for states and Territories
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Tribal Water and Natural Resources Conservation Guide
Landing page for the new Tribal Water and Natural Resources Conservation Guide
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Superfund CLP Quality Assurance
Introductory information regarding Contract Laboratory Program Quality Assurance
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Staged Electronic Data Deliverable (SEDD)
A introduction and overview of the Superfund Electronic Data Deliverable (SEDD).