Clarification to Chemical Facility Anti-Terrorism Standards; Propane

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Homeland Security 6 CFR Part 27 [DHS-2006-0073] RIN 1601-AA41 AGENCY: Department of Homeland Security. ACTION: Clarification. SUMMARY: This notice clarifies how certain provisions of the Chemical Facility Anti-Terrorism Standards (CFATS) apply to the Chemical of Interest (COI) propane, which the Department of Homeland Security (DHS or Department) understands to contain at least 87.5% of the chemical propane. Specifically, this notice clarifies how the Screening Threshold Quantity and certain counting rule provisions apply to the COI propane. DATES: Effective Dates: Effective March 21, 2008. FOR FURTHER INFORMATION CONTACT: Dennis Deziel, Infrastructure Security Compliance Division, Department of Homeland Security, 703-235-5263. SUPPLEMENTARY INFORMATION: Section 550 of the Homeland Security Appropriations Act of 2007 provided the Department with authority to promulgate interim final regulations for the security of certain chemical facilities in the United States. See Pub. L. 109-295 , sec. 550. On December 28, 2006, the Department issued an Advance Notice of Rulemaking seeking comment on the significant issues and regulatory text ( see 71 FR 78276 ) for such rulemaking, and on April 9, 2007, the Department published an Interim Final Rule (IFR) establishing the Chemical Facility Anti-Terrorism Standards (CFATS), 6 CFR Part 27 ( see 72 FR 17688 ). The IFR, except for Appendix A to Part 27, went into effect on June 8, 2007. Appendix A to the IFR contained a tentati…