Science & Technology

This page shows all of the pages at www.epa.gov that are tagged with Science & Technology.

  • eCDRweb User Guide–Secondary Support

    This document presents the user guide for the Office of Pollution Prevention and Toxics’ (OPPT) e-CDR web tool. E-CDRweb is the electronic, web-based tool provided by the Environmental Protection Agency (EPA) for the submission of Chemical Data Reporting (CDR) information. This document is the user guide for the Secondary Support user of the e-CDRweb tool.

  • e-CDRweb User Guide – Secondary Authorized Official

    This document presents the user guide for the Office of Pollution Prevention and Toxics’ (OPPT) e-CDRweb tool. E-CDRweb is the electronic, web-based tool provided by the Environmental Protection Agency (EPA) for the submission of Chemical Data Reporting (CDR) information. This document is the user guide for the Secondary Authorized Official (AO) user of the e-CDR web tool.

  • XML Schema Guide for Primary CDR Submissions

    This document presents the extensible markup language (XML) schema guide for the Office of Pollution Prevention and Toxics’ (OPPT) e-CDRweb tool. E-CDRweb is the electronic, web-based tool provided by Environmental Protection Agency (EPA) for the submission of Chemical Data Reporting (CDR) information. This document provides the user with tips and guidance on correctly using the version 1.7 XML schema. Please note that the order of the elements must match the schema.

  • Characterization and Mitigation of Combustion Sources Research

    EPA is working to characterize the chemical and physical properties of emissions from combustion sources (including industry, transportation, and household energy) to support policy decisions that improve air quality, public health, and the environment.

  • eCDRweb User Guide–Primary Authorized Official

    This document presents the user guide for the Office of Pollution Prevention and Toxics’ (OPPT) e-CDRweb tool. E-CDRweb is the electronic, web-based tool provided by the Environmental Protection Agency (EPA) for the submission of Chemical Data Reporting (CDR) information. This document is the user guide for the Primary Authorized Official (AO) user of the e-CDR web
    tool

  • Biothreat Agent Detection: Advances in Rapid Analytical Methods Webinar

    EPA's ORD offers free public webinars on recent research results. Watch a pre-recorded webinar covering research on development of Rapid Viability PCR (RV-PCR) methods, which can determine the presence or absence of live biothreat agents.

  • Biological Fate & Transport

    Understanding a biological agent’s ability to persist in the environment and the various transport pathways such as rain and stormwater that can redistribute a biological contaminant would help authorities properly assess and respond.

  • Publications

    Links and information on EPA publications and resources.

  • Access CMAQ Source Code

    Access CMAQ source code, step-by-step instructions for downloading the CMAQ base model, and guidance on building the two-way CMAQ system.

  • CMAQ Documentation

    Find the release notes for recent versions of the model system, a CMAQ User's Guide, and helpful tutorials on common tasks.

  • Flash Tank Separators

    During the dehydration process, glycol absorbs methane, volatile organic compounds (VOCs), and hazardous air pollutants (HAPs) from the wet gas. A flash tank separator can be used in the dehydration process to remove the gas absorbed by glycol.

  • Vehicle Miles Travelled Offset Demonstration Guidance

    Provide guidance to state and local air quality agencies to support meeting the requirements of Clean Air Act Section 182(d)(1)(A) for a Vehicle Miles Travelled (VMT) Offset Demonstration.

  • SAF-RON GOLD

    Technical product bulletin: this dispersant used in oil spill cleanups can be applied by aerial or boat sprayer. A recommended dispersant to water ratio of 1:40 can be used for most spills. Ratios are dependent upon type of oil and weather conditions.

  • SEA BRAT #4

    Technical product bulletin: this dispersant used in oil spill cleanups may be applied to coastal waters of the US. It is designed for hydrocarbon spills on water temperatures between 50 and 90 degrees Fahrenheit.

  • Start a Composting Program

    Interested in starting a composting program in your area? This page offers resources and things to consider.

  • EPA announces public meeting for the Kerr-McGee Chemical Corp-Navassa Superfund site proposed cleanup plan

    EPA announces public meeting for the Kerr-McGee Chemical Corp-Navassa Superfund site proposed cleanup plan

    • Release Date:

  • Meteorology - Chemistry Interface Processor

    MCIP processes meteorological model output from the Weather Research and Forecasting (WRF) Model into I/O API-formatted files that are compatible with CMAQ and SMOKE.

  • TSCA Requirements for Importing Chemicals

    Describes various TSCA import and export requirements under various Sections of TSCA and the CFR.

  • Preface to Selected Information Directives (i.e., SLCM Policy, Procedure and Guidance) (09/26/16)

    Preface to Selected Information Directives (i.e., SLCM Policy, Procedure and Guidance) (09/26/16)

  • Chesapeake Bay TMDL 2010 Webinar Series Dates and Topics

    This page provides descriptions and dates of all of the presentations given as part of the 2010 webinar series during the development of the Chesapeake Bay TMDL.

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