Investigation of Lab Fire Prevention Management System of Combining Root Cause Analysis and Analytic Hierarchy Process with Event Tree Analysis

Table 3

Cause of fire accidents in laboratory.

Laboratory	Cause
	Chemical reaction	Static electricity	Equipment failure	Operational error	Nature disaster	Others	Total
Chemical	54	13	6	14	1	7	95
Physical	3	10	2	5	0	4	24
Biological	7	4	2	5	0	2	20