Table 17.

Prediction results of influence range according to leak hole diameter.

ERPG tiers	Leak hole diameter(mm)	Nitric acid influence range(m)	Nitrogen dioxide influence range(m)	Difference of influence range(m)
ERPG-1	13	125	510	385
	14		595	470
	15		681	556
	16		766	641
	17		869	744
ERPG-2	13	38	34	−4
	14		39	1
	15		45	7
	16		51	13
	17		58	20
ERPG-3	13	13	16	3
	14		19	6
	15		22	9
	16		25	12
	17		28	15