Learn the Issues
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Does an owner or operator of a facility with a Program 3 process need to maintain Material Safety Data Sheets (MSDSs) under the risk management program regulations?
An owner or operator of a facility with a Program 3 process must compile information pertaining to the hazards of the regulated substances in the process, including toxicity information; permissible exposure limits; physical data; reactivity data; corrosivity data; thermal and chemical stability data; and hazardous effects of inadvertent mixing of…
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Does a five-year update satisfy the requirement to conduct a compliance audit?
The owner or operator of a stationary source with a Program 2 or Program 3 process must conduct a compliance audit at least every three years to ensure compliance with the prevention program requirements and must revise and update the risk management plan (RMP) at least every five years (§§68.58…
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Program Level 2 and 3 compliance audits
Facilities with Program Level 2 and 3 processes must perform compliance audits at least once every three years (40 CFR §§68.58 and 68.79). How does a facility submit its compliance audit to EPA? Facilities are not required to submit three year compliance audits to EPA; however, facilities should maintain records…
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Is a hazard review synonymous with a process hazard analysis (PHA)?
The prevention program requirements under 40 CFR Part 68, Subparts C and D, include hazard reviews and process hazard analyses. Is a hazard review synonymous with a process hazard analysis (PHA)? No. A hazard review is different from a PHA. A hazard review is part of the Program 2 prevention…
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Do Program 1 processes have to complete a process hazard analysis?
Do owners or operators of Program 1 processes have to complete a process hazard analysis? No. The Program 1 requirements do not include a process hazard analysis (40 CFR §68.12(b)). Program 3 processes require completion of a process hazard analysis (40 CFR §68.12(d)(3)) while Program 2 processes must complete a…
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Applicability of compliance audit provisions to non-prevention program elements
I have a Program 2 covered process and a Program 3 covered process at my stationary source. I am required (by 40 CFR Section 68.58 and 40 CFR Section 68.79) to certify compliance with prevention program requirements every three years. These compliance audits specifically address the prevention program portions of…
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Habitat Plans from the National Estuary Program
Learn more about habitat loss and local NEP restoration habitat restoration projects.
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Particle Pollution Designations Guidance and Data for the 2012 Annual PM 2.5 NAAQS
Particle pollution designations guidance
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CSAPR Compliance Year 2017 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2016 compliance year.
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Natural Disasters
Prepare for or recover after risks to health and the environment due to natural disasters.
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EPA General Terms and Conditions effective October 1, 2022 or later
The recipient and any sub-recipient must comply with the applicable EPA general terms and conditions outlined below. These terms and conditions are in addition to the assurances and certifications made as part of the award and terms, conditions and restric
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EPA's Interim Financial Assistance Conflict of Interest Policy
This policy is intended to prevent personal or organizational conflict of interests in the award and administration of EPA financial assistance.
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EPA Documents related to Nevada's 2014 Section 303(d) List of Impaired Waters
Documents detailing Nevada's 2014 Section 303(d) List of Impaired Waters.
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Monitoring, Assessment and TMDLs: Nevada
An overview of monitoring, assessment and TMDLs in Nevada.
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2021 "Waters of the United States" Public Meeting Materials
2021 Waters of the U.S. Public Meeting Materials
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EPA Proposes Registration of the New Fungicide Ipflufenoquin
EPA is taking comments on its proposal to register the new active ingredient ipflufenoquin.
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Help with Chemical Data Reporting: How to Search for Chemicals Subject to Certain TSCA Actions
This document contains instructions on how to identify chemicals that are the subject of certain actions under the Toxic Substances Control Act (TSCA) using the Substance Registry Services (SRS).
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Community Lead Awareness Sessions
This page provides information on how you can reduce your family's risk of lead exposure and prevent lead poisoning.
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2020 TSCA Chemical Data Reporting Fact Sheet: Chemical Substances that are the Subject of Certain TSCA Actions
This fact sheet provides guidance for people who may be subject to the Chemical Data Reporting (CDR) rule on how their requirements for reporting for 2016 may be affected when chemical substances are the subject of certain TSCA actions.
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TSCA Chemical Data Reporting Fact Sheet: Kraft Pulp and Paper Process
This fact sheet provides guidance on Chemical Data Reporting (CDR) rule requirements related to Kraft pulp and paper mill chemical recovery processes.
