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DHS Laboratory Chemical Inventory

DHS Rule

As part of the national anti-terrorism effort, the U.S. Department of Homeland Security (DHS) has issued a new regulation (“The Chemical Facility Anti-Terrorism Standards”) designed to protect and secure high-risk chemical facilities that contain “chemicals of interest at or above a specified screening threshold.” In accordance with this regulation, GW facilities must complete an assessment, known as a Top-Screen, to provide DHS with a basic understanding of the facility’s potential level of consequence. Failure to comply with the standard could result in fines up to $25,000 a day, per violation, and in extreme cases an order to cease operations of a given facility.

In accordance with this new rule, the Office of Health and Safety is conducting a survey to ascertain whether any GW facilities are in possession of any of the chemicals of interest at or above the specified screening threshold quantity listed in Appendix A.


1. If you have yet to submit your updated inventory, please download and complete:


2. Sign the completed hard copy and return to Health and Safety, Greg Kupka, 2025 F St (Support Building), Suite 101.

NOTE: It can be completed and forwarded by your staff (hard copy or electronically) and signed upon your return.

3. If you have also completed it electronically, please email the completed spreadsheet to:

If you have any questions regarding the inventory, contact Greg Kupka at 202-994-1093.

Additional Information:

Frequently Asked Questions: Chemical Facility Anti-Terrorism Standards: Final Appendix A

Appendix A, Chemicals of Interest List Published

Fact Sheet: Chemical Facility Anti-Terrorism Standards: Appendix A

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