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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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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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Where can I get more information or copies of the lead-based paint abatement application forms and instructions?
Answer: Information regarding certification under EPA’s lead-based paint abatement program is available at https://www.epa.gov/lead/lead-based-paint-abatement-and-evaluation-program-overview . Question Number: 23002-32438 Find a printable PDF copy of all frequent questions pertaining to lead .
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When must I take refresher training?
You must take refresher training before you apply for recertification to EPA. You should begin looking for available courses well before your current certification expires, because refresher courses may not be available in your area on a frequent basis. However, EPA recommends that you take your refresher training no earlier…
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When do persons applying for certification as inspectors, risk assessors, or supervisors apply to EPA, before or after taking the 3rd party exam?
Answer: Persons applying for certification as inspectors, risk assessors, and/or supervisors must apply to EPA before taking the 3rd party certification exam. For more information about applying for certification as a lead-based paint abatement professional please refer to EPA’s Lead-based Paint Professionals page . Question Number: 23002-33448 Find a printable…
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When individuals apply for certification in the Federal program under 40 C.F.R. 745.226(a)(1)(i), how long will the certification last?
Answer : For individuals who have taken courses which included a course test and a hands-on skills assessment, the full certification period for individuals applying under 745.226(a)(1)(i) will run for three years from the date of issuance of certification by EPA. For individuals who have taken courses which included a…
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The definition of “soil sample” at 40 CFR §745.63 relies on certain American Society of Testing Materials (ASTM) standards. Did EPA intend to prevent the use of EPA and HUD standards for soil samples?
Answer: No. In establishing work practice standards for lead-based paint activities, EPA did not intend to prevent the use of EPA/HUD standards. As a general matter, the requirements are not prescriptive but instead state that certain activities be conducted using appropriate documented methodologies. For example, §745.227(c)(3) requires that dust samples…
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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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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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What is the cause of the large decrease in electric utility emissions, particularly sulfur dioxide, starting in 1995?
SO2 emissions reductions from utilities during this time are primarily attributed to the impacts of the acid rain program. As described on EPA’s Acid Rain Program web page, Phase 1 of this program began in 1995 and affected 263 units at 110 most coal-burning electric utility plants in 21 eastern…
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