Science & Technology
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Voluntary Consensus Standards
Information on EPA's implementation of the National Technology Transfer and Advancement Act (NTTAA) and the EPA Standards Executive.
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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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How to Submit via e-PMN
This page explains the requirements and how to use the electronic premanufacture notice (e-PMN) software and central data exchange (CDX) to submit a premanufacture notice (PMN).
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Endocrine Disruptor Screening Program Documents
This page provides access to many program documents related to EDSP development and implementation.
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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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Laboratories that Analyze for Cyanobacteria and Cyanotoxins
Information related to Laboratories that Analyze for Cyanobacteria and Cyanotoxins