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Displaying 121 - 135 of 141 results

• Are roads considered public receptors?

  A process covered under 40 CFR Part 68 is eligible for Program 1 requirements if it meets all of the criteria listed at 40 CFR §68.10(b). One of those criteria is that the distance to a toxic or flammable endpoint for a worst-case release assessment is less than the distance…

  • Last published: May 29, 2024

• Does "consider off-site consequences" mean perform an environmental impact assessment?

  What does EPA mean by “consider offsite consequences”? Do we have to do an environmental impact assessment (EIA)? EPA does not expect you to do an EIA. Potential consequences to the public and the environment are already analyzed in the offsite consequence analysis. In the PHA, EPA only expects you…

  • Last published: May 29, 2024

• Are wetlands included in the definition of "environmental receptors"?

  No. EPA has defined environmental receptors as natural or state parks, forests, or monuments; officially designated wildlife sanctuaries, preserves, refuges, or areas; and Federal wilderness areas, that are easily identified on local U.S. Geological survey maps (40 CFR §68.3). Therefore, wetlands would not be reported in the hazard assessment under…

  • Last published: May 29, 2024

• Worst-case Scenario for Flammable Mixtures

  For the risk management program, where the concentration of the regulated flammable substance in the mixture is one percent or more by weight of the mixture, the entire weight of the mixture must be applied toward the 10,000 pound threshold quantity for the flammable substance unless the owner or operator…

  • Last published: July 30, 2024

• Do quantities in co-located vessels have to be aggregated for worst-case release scenarios?

  Pursuant to the risk management program (RMP) regulations, a facility owner or operator must conduct an off-site consequence analysis that includes modeling of a worst-case release. If a single process is comprised of several co-located vessels, must the total quantity in all the vessels be aggregated to determine the worst-case…

  • Last published: August 12, 2024

• For toxic endpoints, are milligrams per liter (mg / L) equivalent to parts per million (ppm)?

  The endpoint concentrations for regulated toxic substances under the risk management program rule (40 CFR Part 68 Appendix A) are listed in units of milligrams per liter (mg/L). Is this equivalent to parts per million (ppm)? No, mg/L is not always equivalent to ppm. Whereas ppm is a volume-to-volume or…

  • Last published: August 20, 2024

• What does "relief system design basis" mean?

  Relief systems include, but are not limited to, relief valves, relief headers, relief drums, and rupture disks. Design basis means documenting how the loads and sizes of the relief system, as well as inlet and outlet sizes, were determined. This includes a description of overpressure scenarios considered, the scenario that…

  • Last published: September 25, 2024

• What was the “opt-out” provision and when was it revoked? 

  Answer: On April 22, 2010, EPA issued a final rule revoking the opt-out provision of the 2008 RRP Rule. The rule was published in the Federal Register on May 6, 2010, and took effect on July 6, 2010. As originally published in 2008, the RRP Rule allowed homeowners to "opt…

  • Last published: November 4, 2024

• Can you list specific activities deemed a disturbance of painted surfaces?

  Answer: As a general matter, EPA believes that activities that create dust or paint chips are activities that disturb paint. There is no definitive list of activities that disturb painted surfaces. Some examples that can disturb painted surfaces include, but are not limited to: - Making cut-outs in walls. -…

  • Last published: November 5, 2024

• What is a “whole house gut rehabilitation project” for Lead Renovation, Repair and Painting (RRP) Rule purposes? If target housing has, at some point after 1978, been gut-rehabbed, would the RRP Rule apply to subsequent renovations on the property?

  The phrase “gut rehabilitation” may have different meanings across the construction industry. EPA, however, used the phrase “whole house gut rehabilitation” in a very limited sense to describe only those activities that demolish and rebuild a structure to a point where it is effectively new construction. At a minimum, these…

  • Last published: November 5, 2024

• As a floor covering installer I use an undercut saw to remove a small amount of wood at the bottom of baseboards and door casings. How do I calculate the area of the paint that is affected for purposes of the minor repair and maintenance provision?

  As a floor covering installer I use an undercut saw to remove a small amount of wood at the bottom of baseboards and door casings. I am only disturbing the paint in the 1/8 inch cut of the blade. How do I calculate the area of the paint that is…

  • Last published: November 14, 2024

• Are prison facilities and juvenile detention centers built before 1978 considered target housing?

  Target housing means any housing constructed prior to 1978. Certain parts of prison facilities and juvenile detention centers that house incarcerated persons are housing. However, as a practical matter, EPA believes that the most parts of prisons and juvenile detention centers that would be considered housing are also zero bedroom…

  • Last published: November 14, 2024

• I’m a certified renovator using an EPA-recognized lead test kit to determine whether or not I have to follow the Lead Renovation Repair and Painting (RRP) Rule lead-safe work practices. What components must test negative for lead-based paint in order to qualify for the exclusion in 40 CFR 745.82(a)(2)?

  Generally, a certified renovator using an EPA-recognized lead test kit must test each building component to be disturbed. The only exception to this requirement is when the components make up an integrated whole. In such a case, one or more component(s) may represent a system of components, unless it is…

  • Last published: November 19, 2024

• How do I know if a child has an Elevated Blood Level (EBL) prior to my work if he or she hasn't had their blood lead tested recently?

  Answer: It is never the renovation firm’s responsibility to determine whether a child has an elevated blood lead (EBL) level. Question Number: 23002-16822 Find a printable PDF copy of all frequent questions pertaining to lead .

  • Last published: November 14, 2024

• If an electrician or plumber, working in a different room from the contained renovation project, needs to drill or cut a hole six square feet or less in size to chase a wire or pipe, does the RRP rule apply to that work? 

  As long as six square feet or less of painted surface in that room is disrupted with 30 days, including the work done by the electrician or plumber, and the job does not use prohibited practices or involve window replacement or demolition of painted surfaces, the minor repair and maintenance…

  • Last published: November 19, 2024