← Back to KB navigation
CSB Investigation
Report No. CSB-TESORO-MARTINEZ-2016
2016
Safety Safety
Tesoro Martinez 硫酸泄漏
Tesoro Martinez Refinery, Martinez, California
Related equipment → piping (piping)
0Fatalities
2Injuries
LeakageMechanism code ELP
⌗Failure Mode · ISO 14224 Mapping
Damage mechanism (recorded in KB)
LeakageELP
ISO functional code (as recorded)
ISO 14224:2016 functional failure code
ELP · External leakage - process
ISO ELP — External leakage - process.
1What Happened
2014-02-12 烷基化单元硫酸泄漏，2 名工人灼伤
2Root Cause
烷基化单元工艺管道/阀门泄漏，防护与应急不足
3Reliability Lessons (from investigation root cause)
- The 'Root Cause' above is the core lesson of this accident; not split further.
4Associated Failure Mechanisms (Keywords)
烷基化 硫酸 泄漏 管道 灼伤
About the Failure-Mode Code (click to expand)
The recorded code ELP is an ISO 14224:2016 functional failure code (describes what the equipment failed to do). The damage mechanism (how it failed) is shown in the Mapping block above. The two are distinct dimensions in ISO 14224.
5Evidence Source (transparent)
Authority：U.S. Chemical Safety and Hazard Investigation Board (CSB)
Official Report：www.csb.gov ↗
Data Verification：verified_url_csb_investigations_list_2026-08-07（终报 2016-08-02）
↗Related Failure Modes · Traceability
This accident is not yet linked to a specific FM traceability card.