Search Frequent Questions

Displaying 1 - 15 of 123 results

• Does the distance to endpoint start at the process or stationary source boundary?

  When selecting the worst-case release scenario for Program 2 and 3 processes as required by 40 CFR §68.25, a stationary source owner or operator must analyze the release scenario that results in the greatest distance to an endpoint. Does the "greatest distance to an endpoint" refer to the greatest total…

  • Last published: May 22, 2024

• Using meteorological station data for off-site consequence analyses

  For the purpose of the offsite consequence analyses required under 40 CFR Part 68, Subpart B, there are several instances in which data gathered at a local meteorological station may be used to establish the modeling parameters of wind speed, atmospheric stability, temperature, and humidity for the stationary source. How…

  • Last published: May 22, 2024

• Underground storage tank off-site impacts to groundwater, drinking water, or soil

  For the worst-case and alternative release scenarios of an underground storage tank, should I consider any impact on groundwater, drinking water, or soil? No. As part of the worst-case and alternative release scenarios, you need to define the offsite impacts to the environment (40 CFR §68.33) by listing the environmental…

  • Last published: May 22, 2024

• Administrative controls considered when determining worst-case release quantity

  For the purpose of analyzing the worst-case release scenario required as part of the hazard assessment at 40 CFR Part 68, Subpart B, the worst-case release quantity is identified as the greatest amount held in a single vessel or pipe, taking into account administrative controls that limit the maximum quantity…

  • Last published: May 22, 2024

• Are Mechanical Controls Considered Administrative Controls?

  For the purpose of analyzing the worst-case release scenario required as part of the hazard assessment at 40 CFR Part 68, Subpart B, the worst-case release quantity is identified as the greatest amount held in a single vessel or pipe, taking into account administrative controls that limit the maximum quantity…

  • Last published: May 22, 2024

• Worst-case release from smaller process with larger distance to endpoint

  The owner or operator of a stationary source covered by the risk management program regulations must conduct a worst-case release scenario analysis as part of the required hazard assessment (40 CFR §68.25). The worst-case release is defined as the release of the largest quantity of a regulated substance from a…

  • Last published: May 22, 2024

• Can I use any previous three year meteorological data for worst case scenario?

  I am trying to complete my worst case release scenario for the Risk Management Plan under §68.25. I understand that I am required to use a wind speed of 1.5 m/s and F atmospheric stability class as specified in §68.22(b), unless I can prove that at no time over the…

  • Last published: May 29, 2024

• Do settlement communications, such as past “agreements in principle,” impact the implementation of the final Consent Decrees?

  The parties are bound by the terms of the various final, publicly available consent decrees. These consent decrees were made available for public comment before they were finalized and entered by the Court. Past settlement communications and documents created in the course of settlement discussions have been incorporated (or not)…

  • Last published: September 26, 2024

• What is the Confidentiality Order?

  The Confidentiality Order (Order) is a court order entered by the Federal District Court for the District of Montana (Court) on August 8, 2002, and amended by the Court on December 31, 2003, that applies to Superfund settlement negotiations in the Clark Fork River Basin, including the following sites: Silver…

  • Last published: September 26, 2024

• How does EPA ensure that the potentially responsible parties complete their work?

  All cleanup activities performed by the PRPs are subject to enforcement instruments (i.e., consent decrees or administrative orders) that provide for EPA approval of all deliverables and oversight of all work performed by the PRPs.

  • Last published: September 26, 2024

• 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 .

  • Last published: October 31, 2024

• 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…

  • Last published: October 31, 2024

• 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…

  • Last published: November 5, 2024

• 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…

  • Last published: November 5, 2024

• 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…

  • Last published: November 5, 2024