Data and Tools
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Quality Assurance/Quality Control Guidance for Laboratories Performing PCR Analyses on Environmental Samples
This document is to inform users of proper QC checks during site characterization using real time PCR.
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Submitting Electronic Notification of Compliance Status to the Compliance and Emissions Data Reporting Interface (CEDRI)
This page contains a document to help you find out how to create and submit the Notification of Compliance Status by using CEDRI. This page also contains a User Guide for EPA's OAR CEDRI submission service
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2015 Municipal Solid Waste New Source Performance Standards (NSPS) and Emission Guidelines (EG) Data Files
The following are 2015 data files related to the Municipal Solid Waste Landfills: New Source Performance Standards (NSPS), Emission Guidelines (EG) rules.
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2016 Municipal Solid Waste New Source Performance Standards (NSPS) and Emission Guidelines (EG) Data Files
The following are 2016 data files related to the Municipal Solid Waste Landfills: New Source Performance Standards (NSPS), Emission Guidelines (EG) rules.
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FOIA Statute and EPA Regulations
FOIA Statutes and Regulations
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How to Cite CMAQ
These publications document the algorithms and performance of the CMAQ model. Publications recommended for citation are grouped according to topic and model version.
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Third Unregulated Contaminant Monitoring Rule
This page contains a list of UCMR 3 Contaminants and Analytical Methods
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Fourth Unregulated Contaminant Monitoring Rule
This page contains a list of UCMR 4 Contaminants and Analytical Methods
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Test 2025 - Radiological Decontamination Query Tool - Urban Wide-Area Decon - Search Results
Radiological Decontamination Query Tool - Urban Wide-Area Decon Search Results
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Using Quality Program Standards for Environmental Information
The Agency uses the American National Standard ASQ/ANSI E4-2014, Specifications and Guidelines for Quality Systems for Environmental Data Collection and Environmental Technology Programs
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MRDL Form 3 - Quarterly Report for Daily and Monthly Chlorine Dioxide
Quarterly Reporting Form for Daily and Monthly Chlorine Dioxide residuals
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U.S. EPA Method 3051A: Microwave Assisted Acid Digestion of Sediments, Sludges, and Oils
SAM lists this method for preparation of solid samples to be analyzed for arsenic, osmium, thallium, titanium and vanadium.
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EPA Method EMSL-33: Isotopic Determination of Plutonium, Uranium, and Thorium in Water, Soil, Air, and Biological Tissue
SAM lists this method for the analysis of plutonium in drinking water by alpha spectrometry.
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National Recommended Water Quality Criteria - Aquatic Life Criteria Table
Table listing criteria for chemical concentration goals to protect surface water for aquatic life use.
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Six-Year Review 1 Contaminant Occurrence Data (1993-1997)
EPA completed its first detailed contaminant occurrence analyses in 2003 for 69 regulated contaminants, using data provided by a national cross-section of 16 states.
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Small Nonroad Spark-Ignition Engines Interactive Data Report
This page provides more detailed data about certified locomotives Small Nonroad Spark-Ignition (NRSI) Engines.
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Locomotive Engines Interactive Data Report
This page provides more detailed data about certified locomotives.
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Large Nonroad Spark-Ignition Engines Interactive Data Report
This page provides more detailed data about certified locomotives Large Nonroad Spark-Ignition (NRSI) Engines.
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Publications, Tools, and Data for State, Local, and Tribal Governments
This page contains resources for State, Local, and Tribal governments
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Tools and Resources to Help Measure Electrification Impacts – Find Your Tool
This tool is intended to help state, local and tribal government staff find tools and resources to measure the emissions, energy, and economic impacts of electrification initiatives at both the government operations and community-wide scales."