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  • Where are the NAICS/ SIC and SCC codes changes that have been implemented for the 2017NEI?

    Please refer to the NEI webpage for 2017 documentation , and follow the link for Appendix 2 - 2017 NEI Plan Code Changes. That Excel file describes anticipated changes for the SCCs and NAICS and includes a helpful read me. I'll just note in the next NEI/EIS email that SCC…

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  • Are evacuations and sheltering-in-place considered for Program 1 eligibility?

    A facility performed a worst-case release scenario and determined that there are no public receptors within the endpoints. There are several residences located just outside the endpoint. In reviewing the five year accident history, there were several releases of a regulated substance, in which the residences were notified by the…

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  • How often are the NEI data updated and how frequently are the data published?

    The full NEI is created for every third inventory year (e.g., 2008, 2011, 2014, and 2017). The data for each version has been updated two times each for the 2008, 2011, and 2014 NEI cycles. For the 2017 NEI and beyond, the EPA is trying to publish only a single…

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  • Program 3 applicability and NAICS code determination

    A covered process that is ineligible for Program 1 will be subject to Program 3 requirements if the process is in one of ten specified North American Industrial Classification System (NAICS) codes, or is subject to the OSHA Process Safety Management (PSM) standard (40 CFR Part 68.10(d)). When determining Program…

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  • Can a newly-constructed process that has no accident history qualify for Program 1 status?

    The eligibility criteria for Program 1 status under 40 CFR Part 68 include a requirement that the process must not have had an accidental release resulting in serious offsite consequences for the past five years (40 CFR §68.10(b)(1)). Can a newly-constructed process that has no accident history qualify for Program…

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  • Are processes subject to delegated state OSHA programs classified as program level 3?

    If my state administers the OSHA program under a delegation from the federal OSHA, does that mean that my processes that are subject to OSHA PSM under the state rules are in Program 3? Yes, as long as the process does not qualify for Program 1. Any process subject to…

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  • Are all covered processes subject to identical risk management program requirements?

    The risk management program regulations in 40 CFR Part 68 are applicable to owners or operators of stationary sources at which more than a threshold quantity of a regulated substance is present in a process (40 CFR Section 68.10(a)). Are all covered processes subject to identical risk management program requirements…

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  • Are the GHGs in the National Emissions Inventory Complete?

    No, the 2020 National Emissions Inventory (NEI) does not comprehensively capture all sources and sinks of greenhouse gases (GHGs) in the United States. For this information, users should review the EPA’s annual Inventory of U.S. Greenhouse Gas Emissions and Sinks . However, the NEI does report GHG emissions for select…

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  • Certifying RMP process at higher program level

    If a process qualifies as Program Level 1, can a facility designate it as a Program Level 2 or 3 in their Risk Management Plan? No. The owner or operator of a stationary source with a process eligible for Program 1 must certify their Program 1 designation in their Risk…

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  • What are EPA’s plans for the 2020 National Emissions Inventory given the atypical situation from COVID-19 that is impacting emissions? What will it be used for?

    The EPA intends to prepare a 2020 National Emissions Inventory in collaboration with state, local, and tribal air agency partners. The Air Emissions Reporting Rule (AERR) requires states and delegated local and tribal agencies to report emissions from stationary sources and provide model inputs for onroad and nonroad sources (except…

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  • What facilities are required to report to the NEI?

    The emissions reporting thresholds are in the Air Emissions Reporting Rule (AERR), 40 CFR Part 51, Subpart A, Appendix A, Table 1 , which require state/local air agencies to report emissions as point sources for facilities that meet or exceed these emissions thresholds. The AERR requires states/locals to report to…

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