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Post-Accident Toxicological Testing System II (PATTS II)

The Federal Railroad Administration (FRA) enables the safe, reliable, and efficient movement of people and goods throughout the Nation's railroad industry. To support our mission, the FRA utilizes Web Information Services (WIS), which is a collection of several internal facing web applications accessible only to FRA staff with government issued devices. Within WIS, the Post-Accident Toxicological Testing System II (PATTS II) is the only tool that collects, stores, or processes Personal Identifiable Information (PII). PATTS II supports FRA Office of Safety in the collection, processing, and storage of post-accident toxicological testing records, including program documentation and specimen lab results. PATTS II is used to support implementation of the requirements of Title 49 Code of Federal Regulations (CFR) Part 219 Subpart C, post-accident toxicological testing and to consider test results in relation to FRA accident/incident investigations. This Privacy Impact Assessment (PIA) is conducted in accordance with the E-Government Act of 2002 because PATTS II collects and stores PII on members of the public. 
 

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Last updated: Thursday, May 7, 2026