Science & Technology
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Webinar: New Renewable Natural Gas Projects by LMOP Partners in Texas and New York
LMOP webinar on November 12, 2024 about two new landfill gas-to-renewable natural gas projects in Texas and New York.
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Guidance for Using Daily Average Aquatic Concentrations in Ecological Drinking Water Assessments
This memorandum announces a change in the way EFED calculates acute EECs for ecological assessments and acute EDWCs for human health assessments in surface water.
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Study Profile Templates - Series 890 - Endocrine Disruptor Screening Program Test Guidelines
These templates are for use in preparation for the data evaluation record (DER) for the indicated study.
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Guidance for Classifying Studies Conducted Using the OECD Test Guideline 223 (TG223) (Acute Avian Oral Sequential Dose Study)
Guidance based on comparison of results from the TG223 validation studies to results from avian acute oral studies previously submitted to EPA for two test chemicals following EPA's 850.2100 (public draft) guidelines.
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What are Hazardous Air Pollutants?
What are hazardous air pollutants?
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2011 NATA: Assessment Methods
Information about assessment methods used in the 2011 NATA assessment
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Presidential Green Chemistry Challenge: 2016 Greener Synthetic Pathways Award
Presidential Green Chemistry Challenge 2016 award winners, Albemarle and CB&I, developed a safer technology to produce alkylate, a clean gasoline component by replacing liquid acid catalysts with a lower environmental impact catalyst
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Presidential Green Chemistry Challenge: 2005 Greener Synthetic Pathways Award (Merck & Co., Inc.)
Presidential Green Chemistry Challenge 2005 award winner, Merck, designed an atom-economical, energy- and water-saving, convergent synthesis for aprepitant, the active ingredient in Emend, a drug for nausea and vomiting.
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PRN 81-4: Label Improvement Program - Label Revisions to Accommodate New AOAC Methods of Chemical Analysis
This notice describes procedures EPA will use to ensure that pesticide label ingredient statements reflect percentages of ingredients determined by the most specific analytical techniques approved by the Association of Official Analytical Chemists (AOCA).
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Antimicrobial Testing Program
EPA tests certain antimicrobial products (hospital disinfectants and tuberculocides) to ensure that products in the marketplace are effective. See how we do this and find a list of tested products.
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Clean Water Access During Emergencies Webinar
EPA's ORD offers free public webinars on recent research results. Watch a pre-recorded webinar on proposed capability expansion of the Water on Wheels Cart, future deployments and its integration into Kentucky's Emergency Response Plan.
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Federal Register Notice: Trichloroethylene; Regulation of Vapor Degreasing Under TSCA Section 6(a); Methylene Chloride and N-Methylpyrrolidone; Reopening of Comment Periods
This notice extends the comment period for two proposed rules under section 6 for Trichloroetylene, Methylene Chloride, and N-Methylpyrrolidone.
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Meet EPA Research Limnologist Dr. Ryan Lepak
EPA Researcher Dr. Ryan Lepak focuses on understanding pathways of PFAS and mercury exposure in fish across the Great Lakes. Using historical fish archives, Ryan and the team construct timelines of PFAS and mercury exposure to analyze lakes’ responsiveness
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Ecosystem Research: Ecosystems & Water Quality
Help people better understand the intricate links between natural ecosystems, human activities, and water quality.
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RSEI Geographic Microdata (RSEI-GM)
Information about how RSEI Geographic Microdata are created and how the data should be used.
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Leaving the Gray Behind
EPA researchers and partners are investigating green infrastructure technology at an elementary school in Fort Riley, Kansas.
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Using Cost-Effective Tools for Assessment of Infiltration at Green Infrastructure Stormwater Management Sites
Helping communities decide which green infrastructure tools are worth the investment of money and maintenance
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Throwing Shade: Exploring the Benefits of Trees
Read about a few recent examples of how EPA researchers are adding scientific rigor to help us better understand the true value of trees.
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Sowing Seeds for Cleaner Air: How EPA Researchers are Addressing Air Pollution at Chicago Area Schools
EPA researchers are working with partners in the Chicago metropolitan area to study how these types of vegetative barriers can help improve air quality inside and outside of schools.
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Working with Tribal Partners to Restore Fisheries in Northern Maine
EPA is collaborating with partners to develop a cloud-based population diversity database of Atlantic salmon DNA as part of biodiversity and sustenance fishing restoration efforts of the Houlton Band of Maliseet Indians tribal waterways in Northern Maine.