id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-15608		cet-15608		6	.pdf	application/pdf	3560	132	30	Application of semi-quantitative AtEx risk assessment to the case study Figure 3: Example of semi-quantitative AtEx risk assessment worksheet This worksheet exemplifies the output derived from a semi-quantitative ATEX risk assessment methodology, based on the risk matrix (LxC), where L denotes the likelihood and C represents the consequence, as reported in Gritti et al., 2023. Table 3: Necessary risk reduction as a function of the initial and the target zone with the use of PCE system Zone Required reliability of the PCE system Initial Target 0 1 SIL 1 0 2 SIL 2 0 nEx SIL 3 Ventilation is a fundamental parameter in AtEx risk assessments for gases, with its significance being particularly pronounced in the case of hydrogen.	cache/cet-15608.pdf	txt/cet-15608.txt