Direct Analysis of Low-Volatile Molecular Marker Extract from Airborne Particulate Matter Using Sensitivity Correction Method

Table 5

Results of measurement test with SRM 1650 diesel particulate matter.

	BgP	Ind	BaP	Db
	ppm
1st reference values	2.4 ± 0.6	3.2 ± 0.5	1.2 ± 0.3	n.a.
2nd reference values	6.5 ± 0.98	5.6 ± 0.53	1.3 ± 0.36	n.a.
3rd reference values	6.04 ± 0.30	4.48 ± 0.12	1.25 ± 0.12	0.365 ± 0.082
Exp 1	5.3	4.0	1.4	0.87
Exp 2	4.8	3.6	1.3	0.59
Exp 3	3.3	2.5	0.91	0.48
Average	4.47	3.37	1.20	0.65
SD	1.04	0.78	0.26	0.20
The error of the mean	0.60	0.45	0.15	0.12

SRM 1650 (1985). SRM 1650a (2000). SRM 1650b (2013). The reference value was not given.