IWA Publishing

Table 4

Results of evaluation of contamination detection performance

Type of monitoring	Number of measurements	TP	FP	TN	FN	FPR	TPR
Grab sampling	195	64	6	117	8	0.05	0.89
On-line monitoring	722	54	35	591	42	0.06	0.56

Type of monitoring	Number of measurements	TP	FP	TN	FN	FPR	TPR
Grab sampling	195	64	6	117	8	0.05	0.89
On-line monitoring	722	54	35	591	42	0.06	0.56