Science & Technology
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Exceptional Events Documents Particulate Matter - Albuquerque, NM
Exceptional Events Documents Ozone - Albuquerque, NM
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News Release: The EPA OIG Identifies that Flawed Data Could Have Resulted in Nearly $1 Billion in Questionable Lead Service Line Allotments
News Release: The EPA OIG Identifies that Flawed Data Could Have Resulted in Nearly $1 Billion in Questionable Lead Service Line Allotments
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Learn About Marine Technology
Learn about marine diesel technologies.
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Nett Technologies, Inc. — GreenTRAP NOVA 100 Active Diesel Particulate Filter (DPF) System
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Community-Port Collaboration
List of community-port collaboration content.
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Technical Resources for Ports
Technical Resources for Ports, as part of the Ports Initiative.
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Quantifying and Characterizing Near-Port Populations in the Conterminous United States
EPA identifies populations near ports in a more sophisticated manner than traditional proximity analyses.
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Diving Case Study: Passive Sampling for PCBs
EPA divers demonstrate use of polyethylene passive sampling devices in the Lower Duwamish River to determine bioavailability of PCBs.
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Diver Training
Training requirements for EPA's scientific divers, and training available to other organizations.
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Basic Information on the CCL and Regulatory Determination
Read basic information about EPA's contaminant candidate list and regulatory determinations.
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Complex Systems Science
EPA is investigating emergent properties in complex chemical-biological systems by probing how changes in one part affect the others, and the behavior of the whole.
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Ecological Soil Screening Level Organic Contaminants
Description of the organic chemicals that may contaminate soil.
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Waste Reduction Algorithm: Chemical Process Simulation for Waste Reduction
The goal of WAR is to reduce chemical waste environmental and related human health impacts at the design stage.
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Public Webinar: Part 1 - Tire Crumb Rubber Characterization
Recycled Tire Crumb Research Webinar Archive, August 2019 webinar and question and answers
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Markov Chain Nest Productivity Model Estimating Tool
MCestimate is a tool for estimating probabilities of failure in the presence of competing risks.
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Rapid Chemical Exposure and Dose Research
EPA evaluates the potential risks of the manufacture and use of thousands of chemicals. To assist with this evaluation, EPA scientists developed a rapid, automated model using off the shelf technology that predicts exposures for thousands of chemicals.
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PFAS Thermal Treatment Database (PFASTT)
EPA's PFAS Thermal Treatment Database (PFASTT) is an easy-to-use tool that provides referenced information on the use of thermal treatment processes for the remediation of PFAS in various media.
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What is an exceptional event?
Exceptional Events are unusual or naturally occurring events that can affect air quality but are not reasonably controllable using techniques that tribal, state or local air agencies may implement in order to attain and maintain the National Ambient Air Quality Standards. For more information, see Treatment of Data Influenced by…
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Volume 8 - Estimating Greenhouse Gas Emissions
Discontinued Volume 8 on greenhouse ga emissions from the Emissions Inventory Improvement Program (EIIP)
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Volume 5 - Biogenic Sources
Biogenic source reference materials for biogenic emissions from the Emissions Inventory Improvement Program (EIIP).