NDLI: Occurrence and distribution of steroids, hormones and selected pharmaceuticals in South Florida coastal environments.

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Year: 2010 Volume: 19 Issue: 1

Year: 2009 Volume: 18

Year: 2008 Volume: 17

Occurrence and distribution of steroids, hormones and selected pharmaceuticals in South Florida coastal environments.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Singh, Simrat P. Azua, Arlette Chaudhary, Amit Khan, Shabana Willett, Kristine L. Gardinali, Piero R.
Spatial Coverage	Florida
Description	Country affiliation: United States Author Affiliation: Singh SP ( Department of Chemistry and Biochemistry, Florida International University, University Park, CP-304, Miami, FL 33199, USA.)
Abstract	The common occurrence of human derived contaminants like pharmaceuticals, steroids and hormones in surface waters has raised the awareness of the role played by the release of treated or untreated sewage in the water quality along sensitive coastal ecosystems. South Florida is home of many important protected environments ranging from wetlands to coral reefs which are in close proximity to large metropolitan cities. Because, large portions of South Florida and most of the Florida Keys population are not served by modern sewage treatment plants and rely heavily on the use of septic systems, a comprehensive survey of selected human waste contamination markers was conducted in three areas to assess water quality with respect to non-traditional micro-constituents. This study documents the occurrence and distribution of fifteen hormones and steroids and five commonly detected pharmaceuticals in surface water samples collected from different near shore environments along South Florida between 2004 and 2006. The compounds most frequently detected were: cholesterol, caffeine, estrone, DEET, coprostanol, biphenol-A, beta-estradiol, and triclosan. The concentration detected for estrone and beta-estradiol were up to 5.2 and 1.8 ng/L, respectively. Concentrations of caffeine (5.5-68 ng/L) and DEET (4.8-49 ng/L) were generally higher and more prevalent than were the steroids. Distribution of microconstituents was site specific likely reflecting a diversity of sources. In addition to chemical analysis, the yeast estrogen screen assay was used to screen the samples for estrogen equivalency. Overall, the results show that water collected from inland canals and restricted circulation water bodies adjacent to heavily populated areas had high concentrations of multiple steroids, pharmaceuticals, and personal care products while open bay waters were largely devoid of the target analytes.
File Format	HTM / HTML
ISSN	09639292
Issue Number	2
Volume Number	19
e-ISSN	15733017
Journal	Ecotoxicology
Language	English
Publisher	Springer
Publisher Date	2010-02-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Ecology Discipline Environmental Health Discipline Toxicology Ecosystem Environmental Monitoring Hormones Analysis Pharmaceutical Preparations Sewage Steroids Water Pollutants, Chemical Biological Assay Estrogens Metabolism Florida Chemistry Risk Assessment Rivers Seawater Time Factors Journal Article Research Support, U.s. Gov't, Non-p.h.s.
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Medicine Toxicology Management, Monitoring, Policy and Law

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