Table 1 - U.S. Gas Transmission Pipeline Incidents: 1995-2000
Monday, September 10, 2012
Table 1 - U.S. Gas Transmission Pipeline Incidents: 1995-2000
| Cause | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | Average | |
|---|---|---|---|---|---|---|---|---|
| 1995-2000 | Percent | |||||||
| Construction/material defect | 13 | 8 | 12 | 19 | 8 | 7 | 11 | 15 |
| Corrosion, external | 4 | 8 | 5 | 8 | 3 | 14 | 7 | 9 |
| Corrosion, internal | 5 | 7 | 16 | 14 | 10 | 16 | 11 | 15 |
| Corrosion, not specified | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0.4 |
| Damage by outside force | 27 | 38 | 28 | 37 | 18 | 20 | 28 | 37 |
| Other | 15 | 16 | 12 | 21 | 14 | 22 | 17 | 22 |
| Total | 64 | 77 | 73 | 99 | 54 | 80 | 75 | 99 |
SOURCE: U.S. Department of Transportation, Research and Special Programs Administration, Office of Pipeline Safety, from Form RSPA F-7100.2, available at http://ops.dot.gov/stats.htm, as of Oct. 1, 2001.