Laws & Regulations
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Final PM NAAQS
Final PM NAAQS Regulatory Impact Analysis
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IPM Analysis of the Proposed Carbon Pollution Standards
Learn about how EPA used Integrated Planning Models (IPM) to analyse the effects of the proposed Carbon Pollution Standards for New Power Plants.
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Analysis of the Final ACE Rule
Find on this page the files for the Integrated Planning Model runs for EPA's proposed Guidelines for Reducing Electric utility generating unit (EGU) Emissions Nationwide (GREEN)
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NODA for EPA's Updated Ozone Transport Modeling
Find EPA's NODA for the Updated Ozone Transport Modeling Data for the 2008 Ozone National Ambient Air Quality Standard (NAAQS) along with the Exit
Extension of Public Comment Period on CSAPR for the 2008 NAAQS. -
Analysis of the Proposed Cross-State Air Pollution Update Rule
IPM analyses of the proposed Cross-State Air Pollution Update Rule.
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IPM Analyses of the Final Cross-State Air Pollution Rule (CSAPR)
View documentation and information about how EPA analyzed the impact of the final CSAPR on the U.S. electric power sector using version 4.10_FTransport of the Integrated Planning Model (IPM).
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EPA's Power Sector Modeling in Support of the Notice of Data Availability – Preliminary Interstate Ozone Transport Modeling Data for the 2015 Ozone NAAQS
View supplemental documentation and Intergrated Planning Model (IPM) run files that were used to analyze the Clean Power Plan.
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Retrofit Options in Base Case v.3.0
View a list of retrofit options for EPA Power Sector Modeling Base Case v.3.0, including codes and descriptions for each option.
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Previous Power Sector Modeling Applications
Find links to past EPA analyses, documentation, and run results using previous Integrated Planning Model (IPM) Base Cases.
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Documentation Supplement for Base Case v4.10_FTransport - Updates for Final Transport Rule
View the document that describes the changes implemented as a result for the Final Cross-State Air Pollution Rule ("Transport Rule") analysis in EPA’s application of the Integrated Planning Model (IPM).
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Revisions to Cost and Performance for Air Pollution Control Technologies
View revisions made to cost development methodologies used to build EPA Base Case v4.10_PTox, the IPM version that EPA used to analyze the proposed Mercury and Air Toxics Standards (MATS).
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Updates to Base Case v4.10_PTox
Learn about the assumptions used for Base Case v4.10_Ptox, the Integrated Planning Model (IPM) version that EPA used to analyze the proposed Mercury and Air Toxics Rule.
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Related Items to IPM Base Case v.4.10
Learn about gas resource assumptions used in Integrated Planning Models (IPMs) and planned updates to IPM v.4.10.
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Updates to Base Case v.3.02 EISA Using the Integrated Planning Model
View documentation about EPA Base Case v3.02 EISA using the Integrated Planning Model (IPM), the version used to model electric generation for the proposed Transport Rule.
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Cross-State Air Pollution Rule (CSAPR) - Regulatory Actions and Litigation
learn more about the cross state air pollution rule by reading the rule summary, the rule history, the supporting document, additional resources and the proposed update to the rule
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EPA Regional/State CEM contact list
EPA regional/state CEMS contact list
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Complete List of Responses to 40 CFR Part 75 Petitions
EPA's responses to Part 75 petitions requesting that the Administrator exercise his or her discretion to approve an alternative to any requirement prescribed in Part 75 or incorporated by reference in this part. This is the complete list of responses.
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Instructions for Test Contractors and Environmental Consultants
Provides information for test contractors and environmental consultants to obtain user names and passwords for CAMD Business System/ECMPS.
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Southwest Jefferson County Mining National Priorities List (NPL) Superfund Site, Jefferson County, Missouri – Fact Sheet, June 2023
EPA Proposes Plan to Address Lead from Groundwater in Private, Domestic Drinking Water Wells Across Jefferson County