In the flagged files, PHMSA add data that are routinely used during data analysis and when presenting certain 20-year trends. Information includes: serious incidents (involving a fatality or injury requiring in-patient hospitalization), significant incidents (meet a number of predefined conditions, including inflation adjusted value of property damage, minimum threshold for volume spilled for hazardous liquid, fire and explosion for hazardous liquid), reported incidents (all pipeline incidents reported to PHMSA in accordance with reporting criterion which has changed over time), consequences (effects on both the general public and the pipeline industry), and state-based reports.