Study on Individual PAHs Content in Ultrafine Particles from Solid Fractions of Diesel and Biodiesel Exhaust Fumes

Table 4

Results of quantitative PAH analysis in particles fraction of dp <0.25 μm.

	100% ON					B20					B40
PAH	Min	Max	Average	SD	RSD [%]	Min	Max	Average	SD	RSD [%]	Min	Max	Average	SD	RSD [%]
	ng m^−3		ng m^−3			ng m^−3		ng m^−3			ng m^−3		ng m^−3
AC	1.28	1.73	1.50	0.32	21.41	2.28	3.91	2.85	0.92	32.31	5.74	6.53	6.08	0.41	6.73
FL	19.58	23.27	21.96	2.06	9.40	31.32	43.02	35.85	6.28	17.52	13.33	17.37	15.33	2.02	13.16
PH	145.39	170.37	159.44	12.78	8.02	148.86	151.09	149.98	1.11	0.74	48.64	71.32	59.98	16.04	26.74
AN	11.83	13.21	12.56	0.70	5.55	9.33	15.55	12.96	3.23	24.97	2.67	3.82	3.25	0.58	17.79
FLY	55.30	69.70	63.44	7.38	11.64	78.59	80.26	79.62	0.90	1.13	24.11	50.71	37.94	13.33	35.13
PY	274.75	349.50	304.14	39.85	13.10	147.58	196.04	168.94	24.73	14.64	96.12	115.68	103.35	10.74	10.39
BaA	250.35	345.27	304.97	49.05	16.08	241.76	342.02	285.01	51.52	18.08	70.32	124.62	90.33	29.83	33.03
CH	33.77	52.30	43.07	9.27	21.52	8.51	13.82	11.52	2.72	23.65	8.32	8.78	8.55	0.33	3.84
Total PAHs	811.20	1002.74	910.59	95.97	10.54	678.43	809.95	746.72	65.91	8.83	291.99	430.91	340.24	78.58	23.10