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

Table 2

Average mass concentration of diesel engine exhaust gas particulates measured with ELPI.

EPLI (𝑛=3)*
Storage	D50% [𝜇m]	Diesel ON	B20	B40
		Mass concentration [mg m^−3]
Filter no.	0.007	2.716	2.267	0.043
1	0.03	2.449	0.623	0.341
2	0.06	2.512	0.115	0.545
3	0.108	1.991	0.174	0.352
4	0.17	2.137	0.190	0.372
5	0.26	2.070	0.369	0.301
6	0.40	1.838	1.166	0.492
7	0.65	1.898	0.574	0.552
8	1.0	1.936	0.610	0.498
9	1.6	3.543	0.650	0.501
10	2.5	0.218	0.680	0.541
11	4.4	0.207	0.721	0.503
12	6.8	—	—	—
13	10	0.090	0.151	0.106
Total mass concentration for fraction < 0.25 𝜇m		13.876	3.738	1.954
Total mass concentration		23.605	8.290	5.148
Min		0.090	0.115	0.043
Max		3.543	2.267	0.552