Science & Technology
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Air Emissions Inventory Guidance Documents
A collection of documents that provides the latest available guidance on developing emissions inventories to meet State Implementation Plan requirements
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Sharing Facility Data Between Air Data Systems
This document provides definitions of facility attribute data fields used in the Facility Registry Service (FRS) Facility Widget and explains the relationship of those fields to the Emissions Inventory System (EIS).
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2008 NEI Technical Support Document
The 2008 NEI is a national compilation of emissions sources collected from state, local, and tribal air agencies as well as from emissions information from the EPA emissions program.
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2014 National Emissions Inventory (NEI) Technical Support Document (TSD)
Explains the sources of information in the inventory; show what sources of data used for each sector; and provide more information about the components.
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Tribal Governments’ Environmental Projects Grow in Region 7
EPA Region 7 is committed to assisting tribes strengthen their abilities to manage environmental programs in Indian Country, and to ensure that tribes have a voice in decisions that affect their land, air and water.
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Tribal Water Systems in the Midwest
EPA Region 7 is offering free lead service line (LSL) inventory technical assistance to eligible Tribal Community Water Systems (CWS) and Non-Transient, Non-Community Water Systems (NTNCWS).
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Indicators: Physical Habitat Complexity
Physical habitat complexity measures the amount and variety of all types of cove at the water’s edge in lakes. In general, dense and varied shoreline habitat is able to support more diverse communities of aquatic life.
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Fish and Shellfish Program Newsletter - 2023
Fish and Shellfish Program Newsletter - 2023
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Integrated Approach Monitoring Strategy
Integrated Approach Monitoring Strategy
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Sporlan Valve Plant 1 Superfund Site, Washington, Franklin County, Missouri - Fact Sheet, July 2016
EPA to Host Public Availability Session
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Equistar Chemicals, LP Facility - Clinton, Iowa - Fact Sheet, May 2018
Public Comment Period for Draft RCRA Operating Permit
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Standard Operating Procedures for Long Term Archiving of Filters in the Chemical Speciation Network (CSN)
This page contains a link to the Standard Operating Procedures for the long term archiving of CSN filters.
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Standard Operating Procedures for the Analysis of Ions in Chemical Speciation Network (CSN) Samples
Standard Operating Procedures (SOP) for the analysis of ions in Chemical Speciation Network (CSN) samples
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Standard Operating Procedures for the Analysis of Carbon in Chemical Speciation Network (CSN) Samples
Quality Assurance Project Plan for CSN
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Standard Operating Procedures for Data Validation and Reporting of Chemical Speciation Network (CSN) Data
Standard Operating Procedures (SOP) for data validation and reporting of Chemical Speciation Network (CSN) data
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Standard Operating Procedures for the Analysis Chemical Speciation Network (CSN) Samples using X-ray Fluorescence (XRF)
Standard Operating Procedures (SOP) for the analysis Chemical Speciation Network (CSN) samples using XRF
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Standard Operating Procedures for the Determination of Filter Light Absorption in Chemical Speciation Network (CSN) Samples
Standard Operating Procedures for the Determination of Filter Light Absorption in Chemical Speciation Network (CSN) Samples
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Exposure & Fate Assessment Screening Tool (E-FAST) Version 2.0 Computer-Based Training Introductory Course
The EPA Office of Pollution Prevention and Toxics, Economics, Exposure, and Technology Division has developed several exposure assessment tools and models.
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Dry Starch Powders Modified Teabag Method
The following is a test protocol for a “tea bag analysis” that was conducted on PMN starches by the Corn Refiners Association. This protocol is one approach to providing information on swellability of high molecular weight polymers.
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New Chemical Information Bulletin: Exemptions for Research and Development and Test Marketing
EPA has received numerous questions about the scope of the exemption for R&D, under TSCA section 5(h)(3). This New Chemical Information Bulletin provides more specific guidance to manufacturers and processors of new chemical substances.