Validation of European horizontal methods for the analysis of PAH, PCB and dioxins in sludge, treated biowaste and soil

Environmental Sciences Europe

Table 2 Performance characteristics for the analysis of PAH following FprCEN/TS 16181 (sum parameters), of PCB following EN 16167 (sum parameters) and of dioxins, furans and dl-PCB following CEN/TS 16190 (sum parameters)

Parameter	Matrix	l _o	l	n _o	n	x;⁻ (µg/ml)	S_R (µg/ml)	CV_R (%)	S_r (µg/ml)	CV_r (%)
Sum 15 EPA PAH	RS HPLC	9	9	21	21	8.93	0.894	7.5	0.283	2.9
Sum 15 EPA PAH	RS GC-MS	18	18	47	47	5.84	1.153	19.8	0.234	4.0
Sum 7 PCB	RS PCB	27	26	78	77	2.91	0.666	22.89	0.178	6.13

Parameter	Matrix	l _o	l	n _o	n	x;⁻ (mg/kg)	S_R (mg/kg)	CV_R (%)	S_r (mg/kg)	CV_r (%)
Sum 15 EPA PAH	SOPAH	29	27	87	81	2.24	0.672	29.99	0.160	7.16
	COPAH	29	27	87	81	2.78	0.723	25.98	0.138	4.96
	SLPAH	29	28	87	84	2.73	0.950	34.84	0.163	5.98
Sum 7 PCB	SOPCB	27	27	81	81	3.14	0.641	20.41	0.185	5.89
	COPCB	27	25	81	75	2.81	0.545	19.42	0.120	4.28
	SLPCB	27	26	81	78	2.91	0.666	22.89	0.178	6.13

Parameter	Matrix	l _o	l	n _o	n	x;⁻ (ng/kg)	S_R (ng/kg)	CV_R (%)	S_r (ng/kg)	CV_r (%)
NATO/CCMS-TEQ	SODIO	12	12	35	35	480.0	74.51	15.52	36.31	7.56
	CODIO	12	12	35	35	1321	142.9	10.82	91.99	6.97
	SLDIO	12	12	35	35	166.6	28.45	17.08	9.34	5.60
WHO-TEQ 2005	SODIO	11	11	32	32	382.0	63.83	16.72	27.05	7.08
	CODIO	11	11	32	32	1162	116.1	10	72.72	6.26
	SLDIO	11	10	31	29	533	39.11	7.34	16.59	3.11

l₀ number of participating laboratories, l number of participating laboratories after elimination of outliers, n₀ number of individual values, n number of individual values after elimination of outliers; x;⁻ total mean after elimination of outliers, S_R standard deviation of reproducibility, CV_R variation coefficient of reproducibility, S_r standard deviation of repeatability, CV_r variation coefficient of repeatability