Data and Tools

Approved Drinking Water Analytical Methods

This page contains a list of links for the Approved Drinking Water Analytical Methods

ECM for Trifludimoxazin and M850H040 in Water - MRID 50406055

ECM for Fluazaindolizine & Degradates in Water - MRID 50932067

Environmental Chemistry Methods for Fluazaindolizine & Degradates in Water - MRID 50932067

ECM for Chlorothalonil in Soil - MRID 49659704

Environmental Chemistry Method for Chlorothalonil 49659704 in soil

EDSP Test Guidelines and Guidance Document

links to series 890 test guidelines in the docket

Quantifying Energy Savings and Greenhouse Gas (GHG) Reductions

Methods 1623 and 1623.1 Technical Training Material

Technical training for laboratories using EPA Methods 1623 and 1623.1 and individuals who will audit laboratories analyzing water samples for Cryptosporidium or Giardia using these methods.

Previously released versions of the SAGE model

The purpose of this page is to describe EPA's capacity building of an economic regulatory analysis and provide links to the model, documentation, and other related resources.

IGEMS/CSM-Internet Geographical Exposure Modeling System/Chemical Safety Mapper

IGEMS contains environmental fate and transport models including methods for ambient air, surface water, soil, and ground water and also includes a new Geographical Information System (GIS) module

Do all AQI plots use the most current AQI breakpoints - regardless of which year you request?

Yes, every AQI summary from AirData is based on the current AQI breakpoints, regardless of year. See 40 CFR Part 58 Appendix G and the AQI Technical Assistance Document for details. Return to Frequent Questions about AirData

Last published: July 25, 2024

How is the AQI calculated?

Refer to the AQI Technical Assistance Document for equations on how to calculate the AQI from pollutant concentration. Return to Frequent Questions about AirData

Last published: July 25, 2024

Nitrate Rule - Failure To Monitor (FTM) - Public Notification Template

Tier 3 PN Templates for Community and Non-transient Non-community Water Systems to be used to notify customers of a Failure to Monitor (FTM) for Nitrate concentrations.

Water Quality Parameter (WQP) Report Form

Water systems treating for corrosion control in Wyoming and on R8 Tribal Lands can use this form to report test results for Water Quality Parameter (WQP) samples.

EPA Region 8 Lead Service Line Inventory Template Instructions

This instructions document supports the Region 8 Service Line Inventory Template and General Information Form and contains guidance on how to properly use the template, and tips on how to complete a service line inventory.

EPA Region 8 Lead Service Line Inventory General Information Form

Region 8 Service Line Inventory - PWS Information Form - This form may be used by public water systems in Wyoming and on Tribal Lands in R8 who have completed their inventories using a format other than the EPA Region 8 Service Line Inventory Template.

Water Quality Exchange Web Template Files

This page contains links to and descriptions of Water Quality Exchange Web Template files.

Data Validation Standard Operating Procedure for EPA Method 1613 Revision B, Tetra-through Octa-chlorinated Dioxins and Furans by Isotope Dillution (High Resolution Gas Chromatography/High Resolution Mass Spectrometry)

Method used for isomer specific determination todetect the Tetra- through octa- chlorinated dibenzo-p-dioxins and dibenzofurans associatedwith the CWA, RCRA, Comprehensive Environmental Response, Compensation and Liability Act and the SDWA