Science & Technology
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EPA Research Partner Support Story: Assessing sediment habitat quality using novel remote sensing technologies
Evaluating sediment habitat quality in an urban estuary to inform sediment remediation activities
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Request for Reconsideration 12004A
RFR 12004A
Request for Reconsideration – Letter dated 5/28/13; received 5/28/13) -
EPA Request for Correction 12004 (Exhibit F)
EPA Request for Correction 12004 (Exhibit F)
State Perchlorate Advisory Levels as of 4/20/05
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What is the National Coastal Condition Assessment?
The National Coastal Condition Assessment (NCCA) is a statistical survey of the condition of our Nation’s marine and Great Lakes coasts. The NCCA builds from previous National Coastal Assessments.
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National Coastal Condition Assessment 2015 Technical Support Document
PDF of the National Coastal Condition Assessment 2015 Technical Support Document.
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Clinical scenario 6 for particle pollution
Clinical Scenario 6
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Clinical scenario 3 for particle pollution
Clinical Scenario 3
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Geospatial Toolboxes
GIS toolboxes available as part of EnviroAtlas
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Technical Data and Reports on Lead Measurements and SIP Status
EPA collects data from the states and regions on their air quality and state implementation plan (SIP) progress; and uses these to create reports, charts, and maps.
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Updates Under Consideration for Natural Gas and Petroleum Systems in the 1990-2016 GHG Inventory
Materials related to EPA's June 22, 2017 Stakeholder Workshop on updates to the 1990-2017 U.S. Inventory of Greenhouse Gas Emissions and Sinks, including draft agenda and memos.
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Net Zero
The Net Zero Strategy is about consuming only as much energy as produced, achieving a sustainable balance between water supply and demand, and eliminating solid waste.
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Mapping Moving Mangroves
Several factors are changing mangrove ecosystems worldwide. EPA researcher Dr. Chandra Giri has dedicated years to studying the changes affecting mangrove ecosystems. Read about his team's work monitoring mangroves.
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What You Can Do to Help Protect Coral Reefs
Coral reefs are among the most biologically diverse and valuable ecosystems on Earth. This web site describes the importance of coral reefs, threats to them, and ongoing efforts to protect them.
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Field Quality System and Technical Procedures for Fish Field Sampling
Field Quality System and Technical Procedures
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Packing, Marking, Labeling and Shipping of Environmental and Waste Samples
Field Quality System and Technical Procedures
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Stage 2 Disinfectants and Disinfection Byproducts Rule (Stage 2 DBPR) Compliance Monitoring Plan Template for Public Water Supply Systems
This Stage 2 monitoring plan template has been created in a fill-able format to facilitate the process for small water system operators.
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Aquatic Life Criteria - Ammonia
Documents related to EPA's final 2013 Aquatic Life Ambient Water Quality Criteria for Ammonia (Freshwater). These documents pertain to the safe levels of Ammonia in water that should protect to the majority of species.
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Case Studies: Using Bioassessments and Biocriteria in NPDES Permitting Programs
Case Studies: Using bioassessments and biocriteria in NPDES permitting programs
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Case Studies: Using Bioassessments and Biocriteria to Identify Impaired Waters and Causes of Impairment
Case Studies: Using bioassessments and biocriteria to identify impaired waters and causes of impairment
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Case Studies: Setting Ecologically-based Water Quality Goals
Case Studies: Setting ecologically-based water quality goals