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Displaying 1 - 15 of 19 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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My neighbor is re-siding and re-roofing his house and there is material all over the ground. Do I need to be worried about asbestos exposure?
Not all house siding or roofing materials contain asbestos. If you are concerned the material might contain asbestos, you can ask your neighbor whether or not the material has been tested for asbestos. Federal regulations regarding renovations or demolitions of asbestos-containing materials do not apply to a homeowner’s renovation of…
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How do I know if I have asbestos in my home (in floor tile, ceiling tile, shingles, siding, etc.)?
The only way to be sure whether a material contains asbestos is to have it tested by a qualified laboratory. EPA only recommends testing suspect materials if they are damaged (fraying, crumbling) or if you are planning a renovation that would disturb the suspect material. Samples should be taken by…
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Is there any volume cap when using previously-retired 2008 or 2009 biodiesel RINs to satisfy an obligated party?s 2010 Biomass Based Diesel RVO? Can 2008 or 2009 biodiesel RINs that were previously-retired in 2009 also be used to satisfy Advanced Biofuel
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . 2008 and 2009 biodiesel and renewable diesel RINs (that is, RFS1 RINs with a D code of 2 and RR code of 15 or 17) used for compliance purposes in 2009 can also be used to reduce the…
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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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The regulations at 80.1427(a)(7)(iii) say that 2008 biodiesel RINS + 2009 biodiesel RINs cannot exceed 20% of the 2010 RVO. Does this mean that 80% of the 2010 biomass-based diesel RVO has to come from 2010 RINs?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The 20% rollover cap under RFS2 is the same as the rollover cap under the RFS1 program. However, the rollover cap only places a limit on previous year RINs that were NOT used for compliance in 2008 or…
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What does an annual emissions value in the NEI represent (one year or multiple years)?
The NEI provides total annual emissions for a single year.
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I have changed my brakes in the past, should I be worried about asbestos exposure?
Because some, but not all, automotive brakes and clutches available or in use today may contain asbestos, professional automotive technicians and home mechanics who repair and replace brakes and clutches can potentially be exposed to asbestos dust. Brake and clutch dust can be seen when a brake disk, drum, clutch…
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Does the EPA have money available for homeowners to pay for asbestos testing or asbestos removal?
The EPA does not have funding available to homeowners for asbestos testing or removal. Other Frequent Questions about Asbestos Learn About Asbestos Asbestos and School Buildings Information for Owners and Managers of Buildings that Contain Asbestos Protect Your Family from Exposures to Asbestos Asbestos Contaminated Vermiculite Insulation
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I'm remodeling my home. Do I need to be concerned about asbestos in the building materials?
It's not possible for you to tell whether a material in your home contains asbestos simply by looking at it. If you suspect a material within your home might contain asbestos (for example floor tile, ceiling tile or old pipe wrap) and the material is damaged (fraying or falling apart)…
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Does dry wall or sheet rock contain asbestos?
There is no way to know whether these materials contain asbestos without having them tested. If you are concerned those materials in your home may contain asbestos and the materials are damaged (frayed, falling apart) or if you are performing a renovation that will disturb the material, consult with a…
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Under section 80.1405, the standard for biomass based diesel (BBD) is calculated via a fraction, the numerator of which is equal to the RFV for BBD in compliance year i times 1.5. For 2010 only, would you agree that, using the example of the calculation f
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The percentage standard for biomass-based diesel in years 2011 and beyond will be based upon the volumes specified in CAA 211(o)(2)(B)(i)(IV), unless some portion of that volume is waived per CAA 211(o)(7)(E). For 2010, the numerator of the…
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What are the units of NEI emissions data?
NEI emissions values represent total annual emissions for the inventory reporting year. Criteria air pollutants and precursors (CAPs) are reported in short tons per year , and hazardous air pollutants (HAPs) are reported in lbs per year .
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I found out the cement water pipes leading to my house (business) contain asbestos. What should I do?
If the pipes are damaged they should be properly repaired or replaced by your water utility. Learn more about asbestos in drinking water . Other Frequent Questions about Asbestos Learn About Asbestos Asbestos and School Buildings Information for Owners and Managers of Buildings that Contain Asbestos Protect Your Family from…
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