Science & Technology
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April 7, 2009 EPA response to RFC: City of Houston Air Quality
EPA response to the Request for Correction (RFC)
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Project Profile: AA Dairy
This project profile for AA Dairy, located in Candor NY, includes information about the farm's anaerobic digestion system, feedstock, benefits, and recognition.
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Meet An Anaerobic Digester Operator: Allen Farms
This document is an introduction to Brian Langolf, Director of Biogas Systems and Research Development, University of Wisconsin, Oshkosh
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AgSTAR Market Opportunities Report
Assesses the market potential for biogas energy projects at swine and dairy farms in the United States and characterizes the sizes and types of operations where biogas projects are technically feasible.
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EPA response to RFC: Sampling and Analysis of Asbestos Fibers on Filter Media to Support Exposure Assessments Bench-Scale Testing
EPA response to the Request for Correction (RFC)
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July 7, 2010 Request for Correction of Information Disseminated by EPA in Support of its Proposed National Ambient Air Quality Standard for Lead
RFC submitted on behalf of the Association of Battery Recyclers
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Request for Correction of Information Disseminated by EPA in Support of its Proposed National Ambient Air Quality Standard for Lead
RFC submitted on behalf of the Association of Battery Recyclers
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Notification: Audit of the EPA’s Oversight of the District of Columbia’s Clean Water Act Construction Grants Program Funding
Notification: Audit of the EPA’s Oversight of the District of Columbia’s Clean Water Act Construction Grants Program Funding
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Cyanobacteria Assessment Network Application (CyAN app)
EPA's Cyanobacteria Assessment Network (CyAN) mobile application provides users weekly satellite data to identify the concentration, location, and time series of cyanobacterial blooms in fresh and coastal waters of the United States.
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Superfund Hazard Ranking System Training Course: Table of Contents
Access links from the Superfund Hazard Ranking System Training Course, which is designed for personnel tasked to compile, draft, and review preliminary assessments (PAs), site inspections (SIs), and HRS documentation.
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Section 18: Soil Exposure - Resident Population Threat
The soil exposure pathway for evaluating HRS scores evaluates the potential threats to humans and terrestrial environments posed by direct, physical contact with hazardous waste or contaminated soil.
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Water Quality Standards Regulations: New York
Information related to Water Quality Standards for New York.
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Particulate Matter (PM) Standards - Policy Assessments from Current Review
The policy assessment (PA) presents a staff analysis of the scientific basis for policy options for consideration by senior EPA management prior to rulemaking.
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Uniform Federal Policy for Quality Assurance Project Plans
The UFP-QAPP provides tools to assist in implementing this UFP-QAPP Manual.
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Quality Assurance Project Plan (QAPP)
Quality Assurance Project Plan (QAPP)
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Green Infrastructure Federal Collaborative
The Green Infrastructure Federal Collaborative fosters engagement and cooperation between agencies that actively work to promote the implementation of green infrastructure.
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Northwest Indiana Urban Waters Partnership
This page provides background information on the Northwest Indiana Area one of the 18 Designated Urban Waters Locations.
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Rio Reimagined - Rio Salado Urban Waters Partnership
Rio Salado Salt River and Middle Gila River Watershed (AZ) location landing page
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Urban Waters and the San Antonio River Basin within Bexar County (Texas)
The San Antonio River Basin of the Urban Waters Federal Partnership (UWFP) reconnects urban communities with their waterways by improving coordination among federal agencies and collaborating with community-led efforts.
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Forward Models
Geophysical forward or predictive models