Science & Technology

Air Quality and Energy Choice STEM Activities for Educators

EPA researchers have developed a build it your own particle sensor and Generate game on energy choices for teachers and educators.

Wildland Fire Research Framework 2019-2022

This document provides background information on wildland fire research as it relates to EPA’s mission; a narrative of the existing ORD research portfolio; and a landscape of future work that is within the purview, expertise, and capacity of ORD.

Modeling PFAS Air Emissions, Deposition, and Chemistry

May 18, 2021 Air, Climate, & Energy Research Webinar Series webinar on Modeling PFAS Air Emissions, Chemistry, and Deposition.

Air Sensor Evaluations Conducted by Other Organizations

Research by EPA and other government and non-profit organizations offer field and laboratory-based performance evaluations on a variety of air sensors for many different air pollutants.

Collaborative Agreements on Air Sensor Technology Research

EPA collaborates with organizations on air sensor technology development with the use of official agreements that enable sharing of information and research activities.

Decontamination for Drinking Water and Wastewater Utilities

Drinking water and wastewater utilities can learn how to decontaminate their facilities after an intentional or unintentional contamination emergency,

Renewable Natural Gas Flow Rate Estimation Tool

The Renewable Natural Gas (RNG) Flow Rate Estimation Tool (RNG Flow Tool) serves as a screening guide to help landfills quickly estimate normalized gas flows for RNG projects.

Alternative Means of Emission Limitation - Shell Oil Products U.S. Martinez Refinery

Signed final approval and fact sheet for the alternative means of emission limitation request for a multi-point ground flare from Shell Oil Products, Martinez Refinery

Data Quality and Planning

To protect public health following a contamination incident, sampling and analysis results will inform decisions regarding site remediation. Resulting data should be of known and documented quality to increase confidence in the decisions made.

Technical Resources for Sewage Sludge Managers

Background information on EPA's Sewage Sludge Program

Risk Assessment for “Round One” in Support of 40 CFR Part 503

A guide for Risk Assessment for “Round One” in support of 40 CFR Part 503 was prepared to provide an understanding of the risk assessment process that was conducted as a basis for the Part 503 biosolids rule.

Land Application of Biosolids

Recycling biosolids through land application serves several purposes. It improves soil properties, such as texture and water holding capacity, which make conditions more favorable for root growth and increases the drought tolerance of vegetation.