Supporting Information (SI) for
Endocrine-Disrupting Chemicals in the Pearl River Delta
and
Coastal
Environment:
Sources,
Transfer,
and
Implications
Weihai Xu, Wen Yan, Weixia Huang, Li Miao, Lifeng Zhong
CAS Key Laboratory of Marginal Sea Geology, South China Sea Institute of
Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
Tables
Table S1 River water fluxes from the eight outlets in different seasons (×108 m3)
Table S2 Chemical characteristics and analytical parameters of target compounds
Table S3 Recoveries (%), method limits of quantitation of target compounds in river
water, seawater and sewage water (effluent) samples for each target compound
Table S4 Comparison of estrogens in rivers, estuaries and oceans (ng/L)
Figures
Fig.S1. Concentrations and removal rates of EDCs in the STP
Fig.S2. Annual input of EDCs from different riverine outlets
Fig.S3. EEQ concentrations (mean) in river water

Corresponding author. Tel.: +86 020 89102511; fax: +86 020 84451672.
E-mail address: whxu@scsio.ac.cn (W.H. Xu).
1
Table S1
River water fluxes from the eight outlets in different seasons (×108 m3)a
Outlets
Humen
Jiaomen
Hongqilimen
Hengmen
Modaomen
Jitimen
Hutiaomen
Yamen
a
Dry season
Wet season
150
141
52
91
231
50
50
49
452
424
157
274
692
148
152
147
data from the hydrological monitoring stations of the eight outlets
2
Table S2
Chemical characteristics and analytical parameters of target compounds
Solubility b
Compounds
LogKowa
EEFc
E1
E2
E3
3.43
3.94
N.A
13
0.01–0.2
13
1.0
N.A
0.0049
EE2
NP
BPA
4.15
4.48
3.32
4.8
1.0–1.7
5.43
2.3×10-5–9.0 ×10-4
120
2.3×10-5–6.0×10-5
(mg/L)
Kow= octanol-water partition coefficient; EEF= estradiol equivalent factor; N.A= not available.
a,b
References: Johnson and Sumpter, 2001; Ying et al., 2002; Luo et al., 2011.
c References:
Campbell et al., 2006; Jin et al., 2008.
3
Table S3
Recoveries (%), method limits of quantitation of target compounds in river water, seawater and sewage water (effluent) samples for each target compound
River water
50 ng/L
b
Seawater
100 ng/L
500 ng/L
LOQ
a
Sewage water (effluent)
50 ng/L
100 ng/L
500 ng/L
LOQ
50 ng/L
100 ng/L
500 ng/L
LOQ
E1
101±5
96±1
115±12
1.0
91±3
73±1
82±1
1.0
75±3
74±3
85±2
2.0
E2
91±6
86±3
108±8
0.2
90±3
102±6
90±6
0.5
78±5
88±4
95±10
1.0
E3
91±2
90±1
86±3
0.2
111±12
90±3
105±13
0.5
70±8
56±4
57±2
1.0
EE2
81±1
66±1
63±3
1.0
65±4
58±2
51±1
1.0
60±5
56±2
49±2
2.0
NP
91±5
97±2
121±13
10
119±15
98±3
119±10
10
91±7
111±11
107±6
15
BPA
92±2
106±2
108±4
10
90±3
103±6
89±5
10
79±9
93±4
86±5
15
a LOQ:
b
method limit of quantitation (ng/L)
Mean ± relative standard deviation [RSD] (%) (n = 3).
4
Table S4
Comparison of estrogens in rivers, estuaries and oceans (ng/L).
Locations
E1
EE2
NP
BPA
References
Pear River, China
0.2-14.5
n.d-4.2
21-356
8-550
This study
Yongding River, China
0.64–20.2
ND–12.0
n.aa
n.a
Yeongsan and Seomjin River, Korea
2.3b
4.5
266.4
15.5
Tama River, Japan
17.1–107.6
n.dc-<0.2
n.d-147
n.d-76.3
Paris seven Rivers, France
0.8–3.9
0.6–3.5
n.a
n.a
Surface water , Australia
0.55-13.71
n.d-0.11
287-2058
15-55
(Lei
et
(Duong et al.,
2010)
(Furuichi et al.,
2004)
(Cargouet et al.,
2004)
(Ying
et
0.10–4.1
0.10–5.1
6.7-134
0.5-14
al.,
2009)
(Kuch
4 rivers, Germany
al.,
2009)
and
Ballschmiter,
2001)
Tiber River, Italy
1.5
0.04
n.a
n.a
Pearl river estuary, China
0.72b
0.45
45
47
Seawater around Shenzhen, China
n.a
24-268
53-1776
12-776
Jiaozhou Bay, China
n.a
n.a
20—268
n.a
Coastal seawater, Singapore
n.a
n.a
n.d-1570
n.d-2470
a Not
analyzed.
b
Mean concentration.
c
Not detected.
5
(Baronti et al.,
2000)
This study
(Liu
et
al.,
2010)
(Li et al., 2008)
(Basheer et al.,
2004)
Fig.S2. Mean wind speed (day and night) at each sampling period in 2007
89%
83%
96%
100%
94%
Fig.S1. Concentrations and removal rates of EDCs in the STP
6
91%
Fig.S2. Annual input of EDCs from different riverine outlets
7
6.0
EEQ (ng/L)
5.0
4.0
3.0
2.0
1.0
0.0
City section
Outlets
Fig.S3. EEQ concentrations (mean) in river water
8
Estuary
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