Science & Technology

Laboratory Methods

A source for methods of collection related to Air and Radiation, Water, Prevention, Pesticides, Toxic Substances, Research and Development, Solid Waste and Emergency Response

Method Validation and Peer Review Policies and Guidelines

A collection of documents that help describe the general principles for determining and demonstrating that an analysis method is suitable for its intended purpose.

The Laboratory Enterprise provides the following products and services related to environmental methods: development of laboratory methods, method development tools, and method validation and peer review policies and guidelines.

Background Information on the Laboratory Enterprise

Background information on EPA's Laboratory Enterprise.

Program Laboratories

EPA’s Program Laboratories implement legislative mandates to develop and provide specific programs that support decisions for regulations, compliance, and enforcement at a national level.

BASINS Download and Installation

The current version of BASINS 4.5 was released in 2019. This page describes the installation requirements for BASINS 4.5.

National Wetland Condition Assessment 2021 Field Operations Manual

Air, Climate, & Energy Research Webinar: Resilience of Ecosystems in a Changing Climate

Page for November 16, 2021 Air, Climate and Energy Research Webinar

EPA Center for Corporate Climate Leadership

EPA's Center for Corporate Climate Leadership is a comprehensive resource to help organizations measure & manage GHG emissions. The Center provides technical tools, educational resources, opportunities for information sharing & highlights best practices.

Geomechanical (Engineering) Properties

Seismic velocities can be related to standard geotechnical properties.

Inversion

Inversion is a post-processing step, where geophysical parameters can be transformed to geologic data, existence of oil, minerals, and water content

General Crosshole Procedures

The primary purpose of obtaining crosshole data is to obtain the most detailed in situ seismic wave velocity profile for site-specific investigations and material Characterization.

Risk Evaluation for 1,2-Dichloropropane

EPA designated 1,2-dichloropropane as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.

Fact Sheet: N-Methylpyrrolidone (NMP)

This fact sheet addresses the most commonly asked questions concerning N-Methylpyrrolidone (NMP) and its uses.

Presidential Green Chemistry Challenge: 1998 Greener Synthetic Pathways Award

Presidential Green Chemistry Challenge 1998 award winner, Flexsys America, developed nucleophilic aromatic substitution for hydrogen to eliminate waste from a common reaction and to produce 4-ADPA, a high-volume chemical.

Peer Review of EPA’s Draft Risk Evaluation for Di-isodecyl Phthalate (DIDP) and Draft Hazard Assessments for Di-isononyl Phthalate (DINP)

This pages contains information about the U.S. EPA's peer review of the Agency's draft risk evaluations for Di-isodecyl Phthalate (DIDP) and Di-isononyl Phthalate (DINP).