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Displaying 1 - 15 of 87 results
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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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If an Asbestos Hazard Emergency Response Act (AHERA) accredited-training course is taught by someone other than instructors certified by the state or the Environmental Protection Agency (EPA), can an approved contractor/instructor sign certificates?
No. An EPA Asbestos Hazard Emergency Response Act (AHERA) accredited training course must be taught by EPA/state approved instructors and only those approved instructors may issue AHERA approved training course certificates. Other Frequent Questions about Asbestos Learn About Asbestos Asbestos and School Buildings Information for Owners and Managers of Buildings…
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Is there a formal requirement that an Asbestos Model Accreditation Plan (MAP) asbestos training course must have a training manual?
Accredited trainers are not required to have a formal training manual, per se. According to the Asbestos Model Accreditation Plan (MAP), at Unit III, (A)(3), (A)(4)(d) and (A)(5) of appendix C to 40 CFR part 763, subpart E, a trainer’s application for course approval must include the course curriculum, a…
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What are the requirements under the Asbestos Hazard Emergency Response Act (AHERA) for refresher training for a person who wants to "step down" his/her certification from contractor/supervisor status to worker status?
If such a person takes contractor/supervisor refresher courses on an annual basis, that person may perform in both the contractor/supervisor and worker roles. If, however, the person chooses only to take annual worker refresher courses, that person may continue to act in the role of an accredited worker but loses…
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What is the applicability of Federal asbestos inspector accreditation requirements under the Asbestos Hazard Emergency Response Act (AHERA) to real estate appraisers?
Real estate appraisers may not assess the suspected presence, location, or condition of asbestos in a school building or a public and commercial building during an appraisal unless they are accredited pursuant to the Toxic Substances Control Act (TSCA) and the Asbestos Model Accreditation Plan (MAP), as conducting an examination…
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When would a conflict of interest exist among Asbestos Model Accreditation Plan (MAP)-accredited personnel?
A conflict of interest with respect to Asbestos Model Accreditation Plan (MAP)-accredited personnel would exist if, for example, the management planner and abatement contractor worked for the same firm. The planner might recommend to the LEA more expensive response actions than are necessary in the management plan. Other Frequent Questions…
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The training requirements specified in 40 CFR part 763 appear to apply to projects (excluding small-scale, short-duration projects) involving interior building components. Specifically, is roofing work and other exterior work covered?
Worker training requirements specified in 40 CFR part 763, including those for accreditation under the Asbestos Model Accreditation Plan (MAP), apply to interior building projects done in schools and public and commercial buildings. Additionally, the asbestos National Emission Standards for Hazardous Air Pollutants (NESHAP), Occupational Safety and Health Administration (OSHA)…
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How does a company become a provider of Asbestos Model Accreditation Plan (MAP)-accredited asbestos training courses?
Individuals or groups wishing to sponsor training courses for disciplines required to be accredited under section 206(b)(1)(A) of the Toxic Substances Control Act (TSCA) may apply for approval from states that have accreditation program requirements that are at least as stringent as the EPA Asbestos Model Accreditation Plan (MAP). For…
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If a door is outside the work area but used by workers to enter and exit the room, does the door need to be covered with plastic?
If the work area is smaller than the entire room, and the door is not within the work area, you do not need to cover the door with plastic. However, all personnel, tools, and other items, including the exterior of containers of waste, must be free of dust and debris…
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For an exterior renovation where vertical containment is set up at a distance of less than ten feet from the work surface, must we still extend the ground containment beyond the vertical barrier to meet the ten-foot requirement?
My firm replaces windows. Various obstacles make it difficult to set up the ten-foot exterior ground containment in a way that would enable our renovators to perform the work and still effectively contain dust. In these cases, we lay the ground containment, but also use vertical containment measures to completely…
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In the EPA Certified Renovator Initial course, plastic sheeting is taped to the floor at several corners, but not around the entire perimeter. Must the plastic be "sealed" to the floor on all four edges by tape or just taped at several locations?
It depends on the specifics of the renovation job. The RRP Rule requires the renovation firm to cover the floor surface, including installed carpet, with taped-down plastic sheeting or other impermeable material in the work area 6 feet beyond the perimeter of surfaces undergoing renovation or a sufficient distance to…
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What are the requirements for covering doorways used to access the work area?
Doors used as an entrance to the work area must be covered with plastic sheeting or other impermeable material in a manner that allows workers to pass through while confining dust and debris to the work area. Question Number: 23002-21413 Find a printable PDF copy of all frequent questions pertaining…
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To avoid harming the homeowner's grass and landscaping, may my firm fold up the plastic sheeting used for containment at night and re-use it the next day?
Yes, as long as your firm does so in a way that contains any dust and debris on the plastic. One way to accomplish this is to collect and remove the paint chips and debris from the plastic sheeting at the end of each day, mist the sheeting and fold…
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