This page contains copies of memoranda issued by EPA headquarters (HQs) that contain guidance. While these memoranda were each directed to other EPA offices in response to a need for interpretation, the responses are broadly applicable to the regulated public. The interpretation presented in a given memorandum may have been partially superceded by subsequent rulemakings. However, memoranda that have been entirely superceded are not listed.

• EPA Commits to Public Comment for Commercial Storage and Disposal Approvals (PDF)(6 pp, 397 K, 04/01/1995)
  This memo instructs all EPA Regions to commit to conducting public participation and public comment for all fixed-site commercial storage and disposal approvals.
• Recycling of Non-Metal Automobile Shredder Residue (ASR) (PDF)(4 pp, 149 K, 03/22/2000)
  Response to EPA Region VIII regarding assumptions and practices for recycling of non-metal automobile shredder residue (ASR)
• Revisions to the PCB Question and Answer Manual (PDF)(135 pp, 2 MB, 09/2001)
  Revisions to the PCB Q and A Manual, September 2001 Version- a question was added about shredder waste.
• PCB Waste Management Policy for Brownfields Sites - Draft (PDF)(29 pp, 1 MB, 07/24/2003)
  Draft version of PCB waste management policy for brownfield sites
• Memo about Commercial Storers Acting as Transfer Facilities (PDF)(2 pp, 79 K, 04/04/2005)
  Memo from EPA HQ to EPA Regions clarifying that utilities act as commercial storers without an approval if they are transfer facilities.
• Cleanup of Electrical Equipment from Hurricanes Katrina and Rita (PDF)(5 pp, 554 K, 11/09/2005)
  This memo assists the utility industry with useful information about management and storage of electrical equipment damaged by Hurricanes Rita and Katrina.
• Disassembly and Decontamination of PCB-Contaminated and PCB Transformers (PDF)(9 pp, 461 K, 04/16/2007)
  This memo clarifies that the self-implementing decontamination provisions do not apply to intact PCB-Contaminated and PCB Transformer cores and that EPA requires approvals for disassembly of PCB transformers for decontamination.
• Policy Regarding Use of On-Site Disposal in Closure Cost Estimates (PDF)(2 pp, 687 K, 05/01/2007)
  Policy Regarding Use of On-Site Disposal Methods When Calculating Financial Assurance Closure Cost Estimate
• Appropriate methods for making information and documents regarding title 40 of the Code of Federal Regulations (CFR) Part 761 approvals available to the public (PDF)(1 pg, 69 K, 07/17/2007)
  This memo describes the various methods Regions may use to notify the public about PCB approvals, including newspapers and webpages.
• Region 4 PCB Cleanup Guide for Environmental Professionals (PDF)(2 pp, 315 K, December 2019)
  Guidance on the definition of PCB remediation waste, sampling, and regulatory options for PCB remediation waste cleanups.