Science & Technology
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SPECIATE
These documents describe the SPECIATE database, EPA’s repository of volatile organic gas and particulate matter (PM) speciation profiles for air pollution sources.
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Cyanotoxins and the Safe Drinking Water Act: Drinking Water Protection Act, Contaminant Candidate List and the Unregulated Contaminant Monitoring Rule
Information related to Cyanotoxins and the Safe Drinking Water Act: Drinking Water Protection Act, Contaminant Candidate List and the Unregulated Contaminant Monitoring Rule
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Urban Waters and the Los Angeles River Watershed (California)
This page provides background information on the Los Angeles River Watershed Area one of the 18 Designated Urban Waters Locations.
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Access CDR Data
EPA now refers to the Inventory Update Reporting (IUR) rule as the Chemical Data Reporting (CDR) Rule. This change was effective with the publication of the Inventory Update Reporting Modifications; Chemical Data Reporting Final Rule in August 2011.
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Framework for Selecting and Using Tribal Fish and Shellfish Consumption Rates for Risk-Based Decision Making at CERCLA and RCRA Cleanup Sites in Puget Sound and the Strait of Georgia
Conceptual framework for using tribal fish and shellfish consumption rates for estimating risks at Superfund and RCRA cleanup sites in Puget Sound and the Strait of Georgia.
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Documented Hypoxia and Associated Risk Factors in Estuaries, Coastal Waters, and the Great Lakes Ecosystems
Documented Hypoxia and Associated Risk Factors in Estuaries, Coastal Waters, and the Great Lakes Ecosystems
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Estimated Total Nitrogen and Total Phosphorus Loads and Yields Generated within States
Estimated Total Nitrogen and Total Phosphorus Loads and Yields Generated within States
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Commercial Fertilizer Purchased
Commercial Fertilizer Purchased
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Estimated Nitrate Concentrations in Groundwater Used for Drinking
Estimated Nitrate Concentrations in Groundwater Used for Drinking
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Waters Assessed as Impaired due to Nutrient-Related Causes
Waters Assessed as Impaired due to Nutrient-Related Causes
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Progress towards Adopting Total Nitrogen and Total Phosphorus Numeric Water Quality Standards
Progress towards Adopting Total Nitrogen and Total Phosphorus Numeric Water Quality Standards
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Battery Collection Tip Sheet: Safely Collecting and Managing E-Cigarettes from Households
Learn the type of management tools you can use for assessment is sustainable electronics.
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Battery Collection in Action Case Study: Vape Aware: E-Cigarette Collection in Boulder County, Colorado
Learn the type of management tools you can use for assessment is sustainable electronics.
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How to Identify Lead Free Certification Marks for Pipes, Fittings, Fixtures, Solder, and Flux Used for Drinking Water
This fact sheet provides certification marks and the text that indicates a filter has been certified for lead reduction capabilities.
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National Stormwater Calculator
EPA’s National Stormwater Calculator (SWC) is a desktop application that estimates the annual amount of rainwater and frequency of runoff from a specific site anywhere in the United States (including Puerto Rico).
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Clean Water Solutions for Puerto Rico’s Isolated Communities
This page explains how EPA is working with local partners to study water quality, identify risks, and support clean drinking water in southeastern Puerto Rico.
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Drinking Water Infrastructure Resilience and Sustainability Research
Information about EPA's infrastructure resilience research
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Bioassessment and Biocriteria Program Status for Alabama: Streams and Wadeable Rivers
Biocriteria Program Status of Alabama
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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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SmartWay Technology for Trucks and School Buses
This page provides links to the SmartWay verification process for manufacturers and the verified lists and information for fleet owners and operators.