Monitoring of persistent organic pollutants in seawater of the Pearl River Estuary with rapid on-site active SPME sampling technique

An on-site active solid-phase microextraction (SPME) sampling technique coupled with gas chromatography-mass spectrometry (GC–MS) for sampling and monitoring 16 polycyclic aromatic hydrocarbons (PAHs) and 8 organochlorine pesticides (OCPs) in seawater was developed. Laboratory experiments demonstrat...

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Bibliographic Details
Published in:Environmental pollution (1987) 2015-05, Vol.200, p.149-158
Main Authors: Huang, Siming, He, Shuming, Xu, Hao, Wu, Peiyan, Jiang, Ruifen, Zhu, Fang, Luan, Tiangang, Ouyang, Gangfeng
Format: Article
Language:English
Subjects:
Environmental monitoring
Environmental Monitoring - methods
Estuaries
Estuarine environments
Gas chromatography
Gas Chromatography-Mass Spectrometry
Hazardous Substances - analysis
Hydrocarbons, Chlorinated - analysis
Mass spectrometry
Organic pollutants
Pearl River
Pesticides - analysis
Polycyclic aromatic hydrocarbons
Polycyclic Aromatic Hydrocarbons - analysis
Rapid on-site sampling technique
Rivers
Rivers - chemistry
Sampling
Sea water
Seawater - chemistry
Solid Phase Microextraction
Water Pollutants, Chemical - analysis
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Summary:An on-site active solid-phase microextraction (SPME) sampling technique coupled with gas chromatography-mass spectrometry (GC–MS) for sampling and monitoring 16 polycyclic aromatic hydrocarbons (PAHs) and 8 organochlorine pesticides (OCPs) in seawater was developed. Laboratory experiments demonstrated that the sampling-rate calibration method was practical and could be used for the quantification of on-site sampling. The proposed method was employed for field tests which covered large amounts of water samples in the Pearl River Estuary in rainy and dry seasons. The on-site SPME sampling method can avoid the contamination of sample, the losses of analytes during sample transportation, as well as the usage of solvent and time-consuming sample preparation process. Results indicated that the technique with the designed device can address the requirement of modern environment water analysis. In addition, the sources, bioaccumulation and potential risk to human of the PAHs and OCPs in seawater of the Pearl River Estuary were discussed. [Display omitted] •SPME on-site active sampling technique was developed and validated.•The technique was employed for field tests in the Pearl River Estuary.•16 PAHs and 8 OCPs in the seawater of Pearl River Estuary were monitored.•The potential risk of the PAHs and OCPs in Pearl River Estuary were discussed. An on-site active SPME sampling technique was developed and successfully applied for sampling and monitoring 16 PAHs and 8 OCPs in the Pearl River Estuary.
ISSN:0269-7491
1873-6424
DOI:10.1016/j.envpol.2015.02.016