NDLI: Evaluation of analytical methodology for the detection of hormones and their attenuation during aquifer recharge and recovery cycles

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Significance of different carbon forms and carbonic anhydrase activity in monitoring and prediction of algal blooms in the urban section of Jialing River, Chongqing, China

Evaluation of analytical methodology for the detection of hormones and their attenuation during aquifer recharge and recovery cycles

Water quality assessment of a small peri-urban river using low and high frequency monitoring

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Evaluation of analytical methodology for the detection of hormones and their attenuation during aquifer recharge and recovery cycles

Content Provider	Royal Society of Chemistry (RSC)
Author	Lowe, Paula Stebbins, Daniela de Lima Lei, Hongxia Docs, Jon Cohen, Jason
Copyright Year	2016
Abstract	The hormones listed in the screening survey list 2 of the Unregulated Contaminant Monitoring Rule 3 (estrone, 17-β-estradiol, 17-α-ethynylestradiol, 16-α-hydroxyestradiol (estriol), equilin, testosterone and 4-androstene-3,17-dione) were analyzed by liquid chromatography electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS). Two analytical methods were compared: EPA method 539 and the isotope dilution method. EPA method 539 was successfully utilized in river and drinking water matrices with fortified recoveries of 98.9 to 108.5%. Samples from the Hillsborough River reflected levels below the method detection limit (MDL) for the majority of the analytes, except estrone (E1), which was detected at very low concentrations (<0.5 to 1 ng L−1) in the majority of samples. No hormones were detected in drinking water samples. The isotope dilution method was used to analyze reclaimed and aquifer storage and recovery (ASR) water samples as a result of strong matrix/solid phase extraction (SPE) losses observed in these more complex matrices. Most of the compounds were not detected or found at relatively low concentrations in the ASR samples. Attenuation of 50 to 99.1% was observed as a result of the ASR recharge/recovery cycles for most of the hormones, except for estriol (E3). Relatively stable concentrations of E3 were found, with only 10% attenuation at one of the sites and no measureable attenuation at another location. These results have substantiated that while EPA method 539 works well for most environmental samples, the isotope dilution method is more robust when dealing with complex matrices such as reclaimed and ASR samples.
Starting Page	613
Ending Page	623
Page Count	11
File Format	HTM / HTML PDF
ISSN	20507887
Volume Number	18
Issue Number	5
Journal	Environmental Science: Processes & Impacts
DOI	10.1039/c6em00031b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	EPA ASR Hillsborough River Estrone Estriol Equilin Testosterone Chromatography Electrospray ionization Ionization Mass spectrometry Isotope Hillsborough River State Park Aquifer Solid phase extraction Euclidean space
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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