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Displaying 1 - 15 of 31 results
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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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Redoing calculations if RMP*Comp is updated
Will RMP*Comp be updated? If so, would I have to redo calculations I might already have made with an earlier version? No, you do not have to redo your work if you have already completed your consequence analyses. RMP*Comp is based on the EPA's Offsite Consequence Analysis Guidance (OCA Guidance)…
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Different distances to toxic endpoints with different versions of RMP*Comp
I've noticed that for certain chemicals, RMP*Comp gives substantially different distances to the toxic endpoint than previous versions. Why? In the current version of RMP*Comp, we have incorporated new chemical-specific distance tables for ammonia, chlorine, and sulfur dioxide. The generic tables are still used for other chemicals (you can see…
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Distance to endpoint calculations used by RMP*Comp
Does RMP*Comp perform some math or modelling in order to arrive at an endpoint distance, or is it simply interpolating from the tables in the EPA's Offsite Consequence Analysis Guidance (OCA Guidance)? RMP*Comp follows the procedures set out in the OCA Guidance . This means that for some scenarios, the…
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What is a renovation?
The Lead Renovation, Repair, and Painting (RRP) Rule covers activities that modify an existing structure and that result in the disturbance of painted surfaces. All types of repair, remodeling, maintenance, modernization, and weatherization projects are covered, including projects performed as part of another Federal, State, or local program, if the…
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When installing a roof, my firm does not create dust by directly sanding or cutting painted surfaces, but we do hammer the unpainted side of the lumber from above. Does the RRP Rule apply to this work?
The Lead Renovation, Repair, and Painting (RRP) Rule applies to work that disturbs painted surfaces. If hammering painted components, even on the unpainted side, disturbs paint, creating dust or chips, the RRP Rule applies. Question Number: 23002-23787 Find a printable PDF copy of all frequent questions pertaining to lead .
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Are renovations that disturb stucco subject to the RRP Rule? Does it matter whether the stucco has been painted?
Answer: The Lead Renovation, Repair, and Painting (RRP) Rule applies to work that disturbs painted surfaces. Therefore, renovations that disturb stucco are subject to the RRP Rule only if the stucco has been painted. Question Number: 23002-14025 Find a printable PDF copy of all frequent questions pertaining to lead .
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Are Department of Energy weatherization projects covered under the RRP Rule?
Answer : The Lead Renovation, Repair, and Painting (RRP) Rule defines “renovation” to include weatherization projects such as cutting holes in painted surfaces to install blown-in insulation or to gain access to attics, and planing thresholds to install weather stripping. Other types of weatherization projects, such as window replacement, are…
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If I am painting a wall on which there are multiple coats of latex paint over the old lead-based paint and the paint is not peeling down to the lead paint level must I comply with the new Renovation, Repair, and Painting (RRP) regulations?
Yes, if the painted surface of the wall will be disturbed by the renovation. Question Number: 23002-18485 Find a printable PDF copy of all frequent questions pertaining to lead .
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If a homeowner removes all the painted surfaces in a room and then hires a certified firm to remodel the room, does the renovator need to follow the RRP Rule?
No. Projects that do not disturb a painted surface are not subject to the RRP Rule. Question Number: 23002-18301 Find a printable PDF copy of all frequent questions pertaining to lead .
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What is included in the emissions “Tiers”?
The Tiers are assigned by a Source Classification Code (SCC), which has the most detail about the emissions processes that generate the emissions. The full list of SCCs, their associated Tiers, and the SCC descriptions is available online at https://ofmpub.epa.gov/sccwebservices/sccsearch/ .
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What RRP requirements apply to a comprehensive renovation project involving the removal and replacement of all interior painted surfaces from target housing or a child-occupied facility?
A project that involves the removal and replacement of all interior painted surfaces but leaves all exterior painted surfaces intact is considered a renovation for RRP purposes. Therefore, all requirements of the RRP Rule apply including, but not limited to, those for firm and renovator certification, containment, waste disposal, cleaning…
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Does the RRP Rule apply to demolishing and disposing of the following types of structures?
Question: Does the RRP Rule apply to demolishing and disposing of: An entire pre-1978 home or building? An entire, non-attached free-standing structure on the same property such as a garage, shed, or gazebo? An attached but segregated section of pre-1978 home or building such as a sunroom, addition, two-story porch…
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Does the RRP Rule apply where no paint at all is present, such as in a 100 year old unfinished basement?
No. The RRP Rule applies to activities that result in the disturbance of painted surfaces. Where there is no paint to disturb, the RRP Rule does not apply. Question Number: 23002-15691 Find a printable PDF copy of all frequent questions pertaining to lead .
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