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DHS Chemical Facility Anti-Terrorism Standards [Interim April 9, 2007]

On April 9, the U.S. Department of Homeland Security (DHS) released the Chemical Facility Anti-Terrorism Standards Interim Final Rule that imposes comprehensive federal security regulations on high-risk chemical facilities.

Guidelines, using a risk-based approach, were developed after reviewing comments from state and local partners, the U.S. Congress, private industry and the public. (More on the development of this rule)
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The DHS has the authority to seek compliance through the imposition of civil penalties, up to $25,000 per day, and to close non-compliant facilities.


  1. Owners of chemical facilities housing certain quantities of specified chemicals of interest (Appendix A) will be required to complete a preliminary screening assessment to determine the level of risk associated with their facility.
  2. If a chemical facility preliminarily qualifies as high risk, its owners will be required to prepare and submit a security vulnerability assessment and site security plan. Submissions will be validated through audits and site inspections.
  3. Security standards will be required to achieve specific outcomes, including:
  • Secure the perimeter and critical targets.
  • Control access.
  • Deter theft of potentially dangerous chemicals.
  • Prevent internal sabotage.

Covered facilities contacted by DHS will have 60 days (extension to 120 days total) from the publication of the regulation in the Federal Register to provide information for the risk assessment process; other requirements will follow that time period.

Additional facilities will follow a similar time frame after future Federal Register publications. The DHS will provide technical assistance to facility owners and operators as needed.

Chemical Facility Anti-Terrorism Standards Interim Final Rule

Proposed Appendix A: DHS Chemicals of Interest

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