In 1999 a voluntary environmental pipeline performance tracking system was started. The petroleum pipeline industry has reduced both the number and volume of crude, refined product, and highly volatile liquid (HVL) spills. An increased emphasis on managing pipeline risk have led to these reductions.
The Petroleum Pipeline Tracking System (PPTS) records detailed data and information about spills and releases, their causes and consequences. The pipeline members of the American Petroleum Institute and the Association of Oil Pipe Lines believe that tracking and learning from spills will further improve performance. In recent years that has proven to be true. The times where spills have been increased have been noted during natural catastrophes (hurricanes Ivan, Katrina and Rita).
In 2004, pipeline operators participating in PPTS accounted for about 85% of the total interstate oil pipeline mileage and volume throughput. Data verification efforts are extensive and usually include an incident-by-incident comparison to releases reported with the DOT's Pipeline and Hazardous Materials Safety Administration, checking for completeness and accuracy. While specific incident information recorded in PPTS remains confidential, the data mining team (DMT) checks the data from all of the reported spills. The DMT publishes results of the analyses in advisories so the pipeline industry can better manage any possible pipeline risk.
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