Laws & Regulations
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Nitrogen Dioxide (NO2) Primary Standards - Federal Register Notices from Current Review
Federal Register notices used to develop the current nitrogen dioxide (NO2) primary national ambient air quality standard.
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Iowa SIP: Chapter 25 - Measurement of Emissions
EPA Approved Iowa Regulations - 40 CFR 52.820(c) Chapter 25 - Measurement of Emissions
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Stone Quarrying, Crushing and Screening Facilities General Air Quality Permit Coverage for Peak Sand and Gravel Plant #2 - Hard Rock Plummer Pit
EPA's approval of coverage under the SQCS general permit for Peak Sand and Gravel, Inc. (Plant #2) - Hard Rock Plummer Pit on the Coeur d'Alene Reservation near Plummer, Idaho.
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EPA’s Approval of Ohio’s Maumee Watershed Nutrient Total Maximum Daily Load
EPA’s Approval of Ohio’s Maumee Watershed Nutrient Total Maximum Daily Load
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Everything You Wanted to Know about PFAS but Were Afraid to Ask: From the Operators’ Perspective
This webinar will examine emerging contaminants, PFAS and PFOA, and discuss what they are including uses, properties, environmental impacts, and potential treatment methods for wastewater and drinking water.
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State Review Framework (SRF) - Nebraska Final Reports
Details findings of the Nebraska state review framework
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2014 Version 7.1 Technical Support Document (TSD)
The 2014 Version 7.1 document describes the processing of emission inventories into inputs for an air quality model for use in the 2014 National Air Toxics Assessment (NATA) modeling.
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Providing Safe Drinking Water in America: 2016 National Public Water Systems Compliance Report
The National Public Water Systems Compliance Report summarizes and evaluates annual reports submitted by primacy agencies regarding compliance at public water systems (PWSs) of all types and sizes in the U.S.
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Search for Superfund Five-Year Reviews
Search through Superfund Five-Year-Reviews, documents prepared by EPA to evaluate the implementation and performance of site remedies to determine if they remain protective of human health and the environment.
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Search Superfund Documents
Search across Superfund documents using keywords and search filters.
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Extension of the Reformulated Gasoline Program to the Phoenix, Arizona Moderate Ozone Non-attainment Area
This pages summarizes the final rule for Extension of the Reformulated Gasoline Program to the Phoenix, Arizona Moderate Ozone Non-attainment Area.
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Writing Five-Year Reviews at Superfund Sites
Guidance, templates and tools for writing Five-Year Reviews at Superfund Sites.
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Search for Superfund Decision Documents
Search through Superfund Decision documents, which provide reasoning for the choice of or changes to a Superfund Site cleanup plan. Decision documents include Records of Decision (ROD), ROD Amendments, Explanations of Significant Differences (ESD), etc.
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Superfund: Post Construction Guidance and Documents
Access resources and guidance for the Post Construction Completion phase of Superfund site cleanup.
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National Remedy Review Board (NRRB)
The National Remedy Review Board (NRRB) consults and advises on some of the Superfund program’s most complex remedy decisions to ensure national consistency in remedy selection. Learn about their procedures and membership.
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A Proposed Rule for Significant New Use Rules on Certain Chemical Substances
EPA is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for 13 chemical substances which are the subject of premanufacture notices (PMNs).
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TSCA Section 5(a)(3)(C) Determination for Microbial Commercial Activity Notice (MCAN) J-18-0019 to 0021
This document describes EPA's Microbial Commercial Activity Notice (MCAN) review determination under amended TSCA for J-18-0019 to 0021.
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-18-0030
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-18-0030.
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Numbers (PMN) P-18-0233
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-18-0224 and P-18-0233.
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Numbers (PMN) P-18-0224 and P-18-0225
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-18-0224 and P-18-0225.