Liquid Chromatography-Tandem Mass Spectrometry Detection of Human and Veterinary Drugs and Pesticides in Surface Water
Table 4
Concentrations of analytes in water at eight major runoff outlets in the PRD, South China.
Analytes (ng/L)
HE
YM
MD
JT
HT
HQ
JM
HM
Sulfadiazine
7.9
5.3
11.0
7.4
10.2
6.9
6.8
4.3
Sulfamethoxazole
9.9
5.9
10.8
12.0
9.2
10.8
10.4
11.1
Sulfamethazine
3.2
6.9
7.6
7.1
4.5
8.1
7.3
20.9
Sulfamonomethoxine
5.7
8.9
9.0
8.2
7.1
8.6
7.7
10.2
Sulfachloropyridazine
3.4
3.1
3.9
4.3
5.2
4.5
4.0
3.5
Lincomycin
2.6
4.4
1.8
2.3
2.4
2.1
3.6
8.6
Clindamycin
1.6
1.6
1.5
0.8
1.1
1.3
1.4
4.7
Erythromycin
3.1
5.5
4.2
1.4
2.7
2.9
4.5
4.0
Omethorate
<MQLa
2.1
<MQL
0.9
0.6
<MQL
0.6
1.3
Dimethoate
3.6
2.7
2.0
3.9
3.4
3.1
3.1
5.5
Acetamiprid
6.4
6.7
6.4
5.2
5.2
6.7
7.6
15.0
Clothianidin
41
23
38
32
26
40
34
15
Imidacloprid
44
29
40
40
26
45
42
28
Methidathion
1.4
3.3
<MQL
0.7
<MQL
0.7
0.9
1.3
Parathion
154
101
132
126
83
139
131
41
The eight major runoff outlets are labeled as humen (HM), jiaomen (JM), honqimen (HQ), hengmen (HE), modaomen (MD), jitimen (JT), hutiaomen (HT), and yamen (YM). aBelow method quantitation limit. All other analytes are below the method quantitation limit.
