Table 2.

The ratios PAH concentrations in the snow samples collected at different sampling points.

Point N	(PYR + BaP)/ (PHE + CHR)	(PYR + BaP + BghiP)/ (PHE + CHR)	ANT/ (ANT + PHE)	FLT/ (FLT + PYR)	BaA/ (BaA + CHR)	HMW/LMW
1	0.2	0.2	0.0	0.6	0.1	0.26
2	0.8	0.9	0.1	0.7	0.1	0.46
3	0.4	0.4	0.0	0.6	0.2	0.32
4	4.9	5.0	0.1	0.2	0.2	2.12
5	0.4	0.4	0.0	0.6	0.2	0.49
6	0.4	0.4	0.0	0.5	0.1	0.40
7	0.3	0.3	0.0	0.5	0.1	0.30
8	0.5	0.6	0.0	0.6	0.1	0.39
9	0.4	0.4	0.0	0.6	0.2	0.38
10	0.6	0.7	0.0	0.6	0.1	0.58
11	0.2	0.2	0.1	0.6	0.0	0.93
12	0.7	0.8	0.1	0.6	0.2	0.43
13	0.1	0.1	0.0	0.6	0.2	0.20
14	0.0	0.0	0.0	0.6	0.2	0.07
15	0.7	0.8	0.0	0.6	0.2	0.70
16	0.6	0.6	0.0	0.6	0.0	0.40
17	0.8	0.8	0.0	0.6	0.2	0.55
18	1.1	1.2	0.1	0.5	0.1	0.74
19	0.5	0.5	0.0	0.6	0.2	0.38
20	0.5	0.5	0.0	0.6	0.1	0.37
21	0.6	0.7	0.0	0.5	0.3	0.65
22	0.5	0.5	0.1	0.6	0.0	0.39
23	1.1	1.2	0.1	0.5	0.3	0.65
24	0.5	0.5	0.0	0.6	0.3	0.45
25	0.4	0.4	0.0	0.6	0.0	0.33
26	0.8	0.8	0.1	0.6	0.0	0.53
27	0.5	0.5	0.0	0.6	0.4	0.64
28	0.6	0.6	0.1	0.6	0.4	0.44
29	0.2	0.2	0.0	0.6	0.0	0.18
30	0.2	0.2	0.0	0.6	0.0	0.22
31	0.8	0.9	0.0	0.6	0.2	0.61
32	0.3	0.3	0.0	0.6	0.2	0.32
33	0.8	0.8	0.0	0.5	0.2	0.28
34	0.3	0.3	0.0	0.7	0.2	0.30
35	0.5	0.5	0.0	0.6	0.2	0.41
36	0.2	0.2	0.0	0.6	0.2	0.25
37	0.5	0.6	0.0	0.6	0.0	0.39
38	0.4	0.4	0.1	0.6	0.0	0.36
39	0.9	1.0	0.1	0.6	0.2	0.74
40	1.3	1.4	0.1	0.5	0.2	0.84
41	0.9	0.9	0.0	0.5	0.3	0.55
42	0.7	0.7	0.0	0.6	0.2	0.48
43	0.5	0.5	0.0	0.5	0.2	0.42
44	1.1	1.2	0.1	0.6	0.5	0.94
45	0.6	0.6	0.1	0.6	0.1	0.47
46	0.3	0.3	0.1	0.6	0.5	2.93