Science & Technology
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New Hampshire - 2018 Annual Network Plans
Network plan provides framework for establishment and maintenance of air quality surveillance system for the state of New Hampshire
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The EPA Automotive Trends Report
This report provides data on the fuel economy, carbon dioxide (CO2) emissions, and technology trends of new light-duty vehicles (cars, minivans, sport utility vehicles, and pickup trucks) for model years 1975 to present in the United States.
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Nett Technologies, Inc.—BlueMAX™ PLUS 100 Selective Catalytic Reduction (SCR) System
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Supplemental GIS Files
Descriptions and links of RPS water mask, wetness index, riparian zone, and HCZ.
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RPS Publications & Citing RPS
Relevant publications about RPS
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Field Sampling Procedures for EPA's Pacific Southwest (Region 9)
Contains resources for ERT Standard Operating Procedures, surface water sampling and ground water sampling.
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Greener Cleanups
OLEM’s goal is to reduce the environmental footprint of cleanup activities at contaminated sites to the maximum extent possible. This website shares policies, tools and practices to achieve that goal across cleanup programs.
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Air Quality Dispersion Modeling - Preferred and Recommended Models
Refined air quality models that are currently listed in Appendix W (PDF) and are required to be used for State Implementation Plan (SIP) revisions for existing sources and NSR and PSD programs.
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State & Tribal Toxin Thresholds
Information related to State's Cyanotoxin Thresholds
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HAB Methods and Research
Information related to HAB Methods and Research
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GLI Clearinghouse Chemical and Data Field Lists
Chemical List: Chemicals currently available in the GLI Clearinghouse database and Data Field Lists: Description of data fields included in the Clearinghouse
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Safer Choice
Safer Choice is a voluntary program that works to advance the mission of EPA to protect human health and the environment by helping product manufacturers choose the safest chemical ingredients possible.
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Endangered Species: Save Our Species Information
Endangered Species Posters
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Endangered Species: Save Our Species Information - Eastern Indigo Snake
Endangered Species Eastern Indigo Snake
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Partners in Pollinator Protection
Partners include USDA, states, international organizations, and stakeholders such as NGOs and bee keepers. Efforts include identifying and using best management practices to reduce honey bee exposure to dust from pesticide-treated seed.
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Air Quality Analysis
This site provides information for air quality data analysts inside and outside EPA. Much of the information is in the form of documented analyses that support the review of the national air quality standards.
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National Air Quality: Status and Trends of Key Air Pollutants
EPA sets national air quality standards for six common air pollutants. Each year EPA tracks the levels of these air pollutants in the air. EPA posts the results of our analyses to this web site.
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Urban Waters and the South Platte Watershed from the Headwaters to the Denver Metropolitan Area (Colorado)
South Platte River 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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LaPlace, Louisiana - Preliminary Risk-Based Concentration Value for Chloroprene in Ambient Air
Memo providing interim recommendations for a risk-based concentration value for chloroprene.
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Bão, Lũ Lụt Và Các Trường Hợp Khẩn Cấp Khác
Information in Vietnamese language about how to prepare for, and what to do during and after, hurricanes, floods, and other emergencies