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  • How do the different parts of particulate matter (PM) fit together?

    The various parts of PM in the NEI are related as follows. PM10-FIL > PM25-FIL because PM10-FIL includes PM25-FIL PM25-PRI = PM25-FIL + PM-CON This equation only applies at the process level. Because some sources only can report PM2.5 (due to test method differences), this equation does not apply to…

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  • How does PM2.5 relate to PM species such as EC, OC, SO4, NO3, PMFINE, and DIESEL-PM25?

    Primary PM2.5 estimates are speciated into the five PM species in the NEI: elemental (black) carbon (EC), organic carbon (OC), nitrate (NO3), sulfate (SO4), and the remainder of PM25-PRI (PMFINE). Diesel engine PM25-PRI and PM10 emissions are also labeled as DIESEL-PM25 and DIESEL-PM10 for mobile source diesel engines. For all…

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  • Obtaining an RMP ID Number

    How can a facility subject to the Risk Management Plan (RMP) requirements obtain its RMP ID number? The owner or operator of a regulated RMP facility that has already submitted an RMP, may obtain the facility's identification number (RMP ID Number) by contacting the RMP Reporting Center (703-227-7650). An RMP-covered…

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  • Does EPA have enforcement authority for the risk management program regulations?

    Yes. Under §113 of the CAA, the Agency has the authority to bring administrative and judicial actions against violators. Judicial actions can be civil and criminal in nature. Section 113(a)(3) authorizes the Agency to order violators to comply with the risk management program regulations. Under section 113(b), the Agency may…

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  • Criteria for selecting stationary sources to audit

    What criteria will be used to select stationary sources for periodic compliance audits of risk management plans (RMPs) submitted under 40 CFR Part 68, Subpart G? The implementing agency will, according to the regulations at 40 CFR §68.220(b), select stationary sources for audits based on any of the following criteria…

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  • Is there a citizen suit provision applicable to RMP?

    Is there a citizen suit provision applicable to CAA §112 and the risk management program rule? Yes, section 304 of the CAA includes a citizen suit provision for violations of emission standards or limitations promulgated under the Act.

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  • How may state and local rules be more stringent?

    In what ways may state and local rules be more stringent? Does this document ( General Risk Management Program Guidance ) provide guidance on state and local differences? States and localities may impose more detailed requirements, such as requiring more documentation or more frequent reporting, specifying hours of training or…

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  • When testing a work area, does one lead test kit or paint chip sample suffice for any single component?

    The certified renovator is only required to use one lead test kit or paint chip sample for each component, even if the surface of the component is extensive (e.g., a large wall). Question Number: 23002-23865 Find a printable PDF copy of all frequent questions pertaining to lead .

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  • Can a homeowner use an EPA-recognized lead test kit to check for lead-based paint?

    Answer: A number of lead test kits are available for consumer purchase in most retail hardware stores; however, the Consumer Product Safety Commission (CPSC) states that consumers should exercise caution when using these lead test kits to evaluate consumer products for potential lead exposures. Find more information online . To…

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  • How can I obtain D-Lead® test kits?

    The D-Lead® test kits are available for purchase from certain distributors and retail outlets. Locate a distributor or retailer online , email [email protected] or call 414-962-3006. Question Number: 23002-16390 Find a printable PDF copy of all frequent questions pertaining to lead .

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  • Is lead paint testing required under the Lead Renovation, Repair and Painting (RRP) Rule?

    No. A firm can either assume lead-based paint is present and follow the requirements of the RRP Rule (which requires no testing), or test and if lead-based paint is found follow the requirements of the regulation. Question Number: 23002-32338 Find a printable PDF copy of all frequent questions pertaining to…

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  • Where can I download hourly emissions data from continuous monitoring?

    Hourly emissions data files are available from the Clean Air Markets Division of EPA, collected as part of 40 CFR Part 75. The download location has changed in February, 2023. The new location is https://campd.epa.gov/data/bulk-data-files . Once on this new site, use the menu (at the left) and the Keyword…

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  • Accessing RMP Data

    Is Risk Management Plan (RMP) data available to the public and, if so, where can it be found? Risk Management Plans (RMPs) prepared and submitted pursuant to CAA section 112(r) are, by statute, available to the public. Members of the general public may obtain RMP data by visiting a designated…

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  • Where can I find older NEI data (prior to 2008)?

    The raw data and summaries that are still available (dating back to 1990) can be obtained from the web page https://www.epa.gov/air-emissions-inventories/pollutant-emissions-summary-files-earlier-neis . Starting with 2001 data, a more limited selection of summary files are available.

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  • What sources make up the Tier 1 categories used in the emissions trends?

    Tier 1 categories are assigned by source classification codes (SCCs) that are the most specific processes available in the NEI. The latest SCC list with the Tier 1 assignments can be downloaded from the EPA SCC website in Comma Separate Values (CSV) format.

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