. 2015 Jul 15;9:533–550. doi: 10.1007/s11869-015-0359-y

Table 2.

Enrichment factors (EF) for the elements determined in the particular PM fractions (averages in the measuring period)

	PM_0.03–0.06	PM_0.06–0.108	PM_0.108–0.17	PM_0.17–0.26	PM_0.26–0.4	PM_0.4–0.65	PM_0.65–1	PM_1–1.6	PM_1.6–2.5	PM_2.5–4.4	PM_4.4–6.8	PM_6.8–10	PM_10–40
Al	4	4	4	3	1	0	0	1	1	1	1	1	1
Si	1	1	1	1	1	1	1	1	1	1	1	1	1
K	6	12	15	32	41	32	16	5	2	2	2	1	2
Ca	8	8	9	10	8	5	5	6	6	8	8	10	16
Sc	10,343	11,007	11,384	10,449	5454	1610	2004	2408	2578	3401	3740	4555	10,590
Ti	704	683	766	711	415	125	88	41	35	22	27	53	38
V	5174	5073	5758	5344	3177	1030	708	329	281	175	214	416	299
Cr	2861	2651	3439	2757	1902	661	450	196	147	102	122	229	233
Mn	1146	1113	1242	1187	726	281	193	88	69	50	57	99	103
Fe	6	10	13	23	26	21	19	17	12	12	11	10	10
Co	3718	3796	3946	3891	2110	665	441	190	157	94	133	224	152
Ni	248	254	365	335	368	207	102	53	28	27	27	35	185
Cu	4525	5278	6047	7618	7667	5477	3738	1705	783	496	498	537	459
Zn	533	1270	1761	5507	7662	7314	4980	2326	893	572	480	432	832
As	22,337	30,662	22,888	39,686	42,096	31,297	20,188	10,473	3648	1938	1519	1837	1879
Se	–	–	–	–	23,590	67,909	27,406	7887	–	–	–	–	–
Br	51,992	59,949	33,908	59,334	58,738	39,492	17,060	3580	896	388	518	811	700
Rb	42	71	46	71	89	81	34	8	2	2	2	2	3
Sr	141	144	134	108	77	24	16	9	8	7	8	11	13
Mo	11,004	16,848	16,954	20,010	9790	4238	2166	1052	791	665	552	618	1142
Ag	868,286	829,102	955,600	764,006	533,982	183,388	106,841	41,655	43,820	23,261	33,143	66,811	47,981
Cd	558,812	616,641	764,601	534,027	451,093	171,596	105,929	52,944	25,544	16,344	22,204	42,383	34,496
Sb	3,652,494	3,550,660	3,986,969	3,850,606	2,302,153	786,619	495,293	201,125	162,216	92,544	122,594	261,825	178,252
Te	–	–	–	–	–	–	–	–	–	–	–	–	–
Ba	406	388	434	408	227	78	55	32	23	18	21	32	23
Pb	7703	9712	6782	12,725	13,475	9790	6690	3648	1257	677	517	610	630