Data and Tools
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Data Summary of The Fourth Unregulated Contaminant Monitoring Rule
Data summary and analytical results of the Fourth Unregulated Contaminant Monitoring Rule (UCMR 4).
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Data Summary of The Third Unregulated Contaminant Monitoring Rule
Data summary and analytical results of the Third Unregulated Contaminant Monitoring Rule (UCMR 3).
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Cost Reports and Guidance for Air Pollution Regulations
Web page for EPA's Control Cost Manual and Cost Reports
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Runs Better Unleaded Poster
Post on preventing childhood lead poisoning.
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Job Aide for Preparing Permit Action Submissions in the Electronic Permitting System Air Permit Review Module
This document provides instructions for using the Electronic Permitting System Air Permit Review Module
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Combining Data into Complete Engine ALPHA Maps
The National Center for Advanced Technology (NCAT), part of the National Vehicle and Fuel Emissions Laboratory (NVFEL), assesses the effectiveness of advanced low emission and low fuel consumption technologies for a broad range of key light-duty vehicles.
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Nitrogen Dioxide/Nitrogen Oxide In-Stack Ratio (ISR) Database
The EPA’s Guideline on Air Quality Models, Appendix W to 40 CFR Part 51, recommends a three-tiered screening approach to estimate ambient concentrations of Nitrogen Dioxide (NO2).
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San Francisco Bay Flyover Videos
Video flyover animations of the watersheds of the San Francisco Bay Delta: North Along the Sacramento River and South along the San Joaquin River
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KABAM Version 1.0 User's Guide and Technical Documentation
User guide and technical information about KABAM, a simulation model used to predict pesticide concentrations in aquatic regions for use in exposure assessments.
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Historical Cost Equations Documentation for CoST
CoST-related historical cost equations documentation for models and tools maintained by OAQPS
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AP 42 Section 15.7 Mines and Smoke Pots - Related Information
AP 42 Section 15.7 Mines and Smoke Pots - Related Information
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2015 TRI National Analysis Basic Data Files
The top 100 requested data fields from TRI Reporting Form R and Form A are included in each basic data file.
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2005 Air Toxics Data Analysis Workshop
Copies of the presentations at the 2005 Air Toxics Data Analysis Workshop
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AP 42 Section 15.4 Final Projectiles, Canisters, and Charges - Related Information
AP 42 Section 15.4 Final Projectiles, Canisters, and Charges - Related Information
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AP 42 Section 15.2 Medium Cartridges 30-75 mm - Related Information
AP 42 Section 15.2 Medium Cartridges 30-75 mm - Related Information
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AP 42 Section 15.3 Large Cartridges > 75 mm - Related Information
AP 42 Section 15.3 Large Cartridges > 75 mm - Related Information
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AP 42 Section 15.9 Blasting Caps, Demolition Charges, and Detonators - Related Information
AP 42 Section 15.9 Blasting Caps, Demolition Charges, and Detonators
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ToxCast Data Generation: Chemical Procurement Workflow
This page describes the process EPA follows to select chemicals, procure chemicals, register chemicals, conduct a quality review of the chemicals, and prepare the chemicals for high-throughput screening.
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AP 42 Section 15.10 Fusers and Primers - Related Information
AP 42 Section 15.10 Fusers and Primers
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