← Back to KB navigation
CSB Investigation
Report No. CSB-MILLARD-2015
2015
Toxic release Toxic
Millard Refrigerated 氨释放
Millard Refrigerated Services, Theodore, Alabama
Related equipment → Centrifugal compressor (centrifugal_compressor)Related equipment → 压力容器/缓冲罐/分液罐/闪蒸罐 (Pressure Vessel) (压力容器/缓冲罐/分液罐/闪蒸罐 (Pressure Vessel))
0Fatalities
0Injuries
FailureMechanism code OTH
⌗Failure Mode · ISO 14224 Mapping
Damage mechanism (recorded in KB)
FailureOTH
ISO functional code (as recorded)
ISO 14224:2016 functional failure code
OTH · Other
ISO OTH — Other.
1What Happened
无水氨释放，130+ 人受影响
2Root Cause
氨制冷系统机械密封/容器完整性不足（跨行业映射至压缩机/压力容器）
3Reliability Lessons (from investigation root cause)
- The 'Root Cause' above is the core lesson of this accident; not split further.
4Associated Failure Mechanisms (Keywords)
氨 制冷 释放 中毒 压缩机
About the Failure-Mode Code (click to expand)
The recorded code OTH 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 2015-01-15）
↗Related Failure Modes · Traceability