Polycyclic Aromatic Hydrocarbons Concentrations in Drinking Water in Villages along the Huai River in China and Their Association with High Cancer Incidence in Local Population
Table 3
Distribution and comparison of PAHs by season.
Winter season GM (95% CI) (ng/L)
Summer season GM (95% CI) (ng/L)
(winter versus summer)
Surface water (SW)
Shallow groundwater (SG)
Deep groundwater (DG)
Surface water (SW)
Shallow groundwater (SG)
Deep groundwater (DG)
(SW)
(SG)
(DG)
(all)
Nap
104.9 (86.4, 127.3)
41.5 (34.7, 49.6)
40.8 (33.5, 49.8)
0.00
2054 (1127.1, 3743.2)
757.6 (375.7, 1527.6)
739.1 (430.8, 1267.9)
0.05
0.00
0.00
0.00
0.00
Acy
10.7 (8.1, 14)
4.9 (4, 6)
5.7 (4.7, 6.9)
0.00
32.7 (19.2, 55.8)
18.2 (11.6, 28.6)
12.5 (7.4, 21.1)
0.02
0.00
0.00
0.03
0.00
Ace
5.9 (4.4, 7.7)
2.1 (1.6, 2.7)
2.9 (2.2, 3.7)
0.00
96.1 (63.3, 145.9)
45.8 (32.2, 65.3)
36.0 (25.3, 51.3)
0.00
0.00
0.00
0.00
0.00
Fl
39.2 (30.6, 50.1)
14.5 (12, 17.6)
16.6 (13.4, 20.5)
0.00
421.5 (247.8, 717.1)
200.9 (129, 312.9)
167.7 (102.4, 274.7)
0.02
0.00
0.00
0.00
0.00
Phe
45.3 (35.1, 58.6)
19.6 (13.8, 28)
24.0 (18.2, 31.8)
0.00
730.5 (447.9, 1191.2)
339.1 (204, 563.7)
316.9 (201, 499.7)
0.02
0.00
0.00
0.00
0.00
Ant
4.4 (3.4, 5.8)
2.6 (2, 3.4)
2.6 (1.9, 3.5)
0.01
46.9 (28.3, 77.8)
29.9 (18, 49.7)
30.5 (20, 46.5)
0.39
0.00
0.00
0.00
0.00
Flu
18.9 (15.8, 22.7)
16 (10.8, 23.7)
10.0 (6.3, 15.8)
0.06
102.3 (71.5, 146.4)
68.8 (45.9, 103.1)
50.6 (36.8, 69.6)
0.02
0.00
0.00
0.00
0.00
Pyr
18.0 (14, 23)
17.5 (12.1, 25.4)
13.3 (10.1, 17.4)
0.27
66.4 (47.1, 93.6)
55.2 (37.3, 81.6)
41.9 (31.1, 56.3)
0.18
0.00
0.00
0.00
0.00
BaA
1.8 (1.4, 2.4)
1.9 (1.1, 3.2)
1.8 (1.2, 2.6)
0.98
9.4 (7.2, 12.3)
8.9 (6.7, 11.8)
5.8 (4.5, 7.4)
0.02
0.00
0.00
0.00
0.00
Chy
8.3 (6.9, 9.9)
6.1 (4.1, 9)
5.3 (3.8, 7.6)
0.21
31.3 (22.4, 43.9)
19.6 (13.1, 29.5)
15 (12.6, 17.8)
0.00
0.00
0.00
0.00
0.00
BbF
4.9 (2.8, 8.5)
3.7 (2.1, 6.6)
3.4 (1.8, 6.2)
0.65
2.9 (2, 4.2)
2.6 (1.7, 3.8)
1.9 (1.5, 2.4)
0.22
0.13
0.26
0.05
0.01
BkF
7.5 (2.1, 26.7)
4.3 (2.1, 8.8)
5.1 (2.1, 12.4)
0.50
43.9 (31.5, 61.3)
22.4 (14.5, 34.6)
29.8 (22.6, 39.2)
0.03
0.00
0.00
0.00
0.00
BaP
6.0 (3.6, 10.2)
5.3 (2.5, 11.1)
3.0 (1.9, 4.6)
0.14
11.7 (9, 15.4)
7.7 (5.4, 10.8)
6.0 (4.8, 7.7)
0.00
0.01
0.30
0.00
0.00
IcdP
6.2 (2.9, 13.2)
8.2 (2, 33.4)
3.6 (1.2, 11.1)
0.53
9.9 (5.7, 17)
7.1 (4.9, 10.4)
5.8 (4.2, 8)
0.06
0.27
0.78
0.33
0.24
BghiP
5.4 (2.5, 11.7)
3.0 (1.5, 5.9)
2.7 (1.3, 5.7)
0.28
11.7 (8.4, 16.3)
7.1 (5.4, 9.3)
6.0 (4.9, 7.4)
0.00
0.03
0.00
0.00
0.00
PAHs
296.9 (253.5, 347.6)
157.1 (122, 202.4)
148.8 (121.6, 182)
0.00
4054.7 (2427.2, 6773.6)
1877 (1190.4, 2959.5)
1611.7 (1035.7, 2508.1)
0.01
0.00
0.00
0.00
0.00
(PAHs-c)
28.6 (19.5, 41.9)
18.2 (11.2, 29.6)
16.6 (11, 25.1)
0.33
122.7 (92.8, 162.2)
83 (62.6, 110)
69.6 (59, 82.2)
0.00
0.00
0.00
0.00
0.00
BaPeq
4.4 (2.2, 9)
2.1 (0.9, 4.9)
2.9 (1.6, 5.1)
0.64
10.7 (8, 14.4)
8.1 (6.6, 10)
4.4 (2.2, 9)
0.01
0.00
0.00
0.00
0.00
ANOVA results of the agents in SW, SG, and DG. , . Carcinogenic PAHs.