September, 2015

This is a repeating event

201518SepAll DayHENAN ZHONGHONG TOXIC RELEASE 2015Henan Zhonghong Coal Chemical Co., Pingdingshan, Henan (CN)Lessons:Asset integrity,Audits & Reviews,Commitment & Culture,Competency,Compliance with Standards,Control of Work,Operating Procedures,Operational Integrity,Operational Readiness,Process Knowledge,Risk AssessmentIndustry:ChemicalsCountry:ChinaLanguage:ENLoC:Deterioration Origin: MKOPSC Incident:Gas/vapour/mist/etc release to airHazards:Corrosive,Environmental,ToxicContributory Factors:Component MalfunctionImpact:HUMAN (Offsite Injuries)Effects:< 100 InjuriesMaterial:Ammonia


A synthetic ammonia leak at a chemical plant in Central China’s Henan province poisoned 20 residents in a nearby village It was reported that there were 300 kg of synthesized ammonia leaked from a cracked pipe.

Proximate causes:
• Inadequate tools, equipment & vehicles (Pipe crack)

Source: A web-based collection and analysis of process safety incidents (
Image Credit:


MKOPSCMary Kay O'Connor Process Safety Center