NDLI: Integrated coastal effects study: synthesis of findings.

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Integrated coastal effects study: synthesis of findings.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Bay, Steven M. Vidal-Dorsch, Doris E. Schlenk, Daniel Kelley, Kevin M. Maruya, Keith A. Gully, Joseph R.
Spatial Coverage	California
Description	Country affiliation: United States Author Affiliation: Bay SM ( Southern California Coastal Water Research Project, Costa Mesa, CA, USA. steveb@sccwrp.org)
Abstract	Municipal wastewater discharges constitute a major source of contaminants of emerging concern (CECs) to coastal waters, yet uncertainty exists regarding their linkage to adverse biological effects such as endocrine disruption. Limited information is available concerning the types and fate of CECs discharged to the Southern California Bight (SCB) from municipal wastewater and their potential for ecological impacts. The present study investigated the impacts of CECs from ocean wastewater discharges on SCB fish. Concentrations of CECs were measured in effluents from four major municipal wastewater dischargers. Seawater, sediment, and hornyhead turbot (Pleuronichthys verticalis) from the discharge sites and a reference area were collected and analyzed for chemical and biological indicators. Low concentrations of pharmaceuticals, personal care products, and industrial and commercial compounds were measured in effluent. Some CECs were also detected in sediment, seawater, and fish livers near the outfalls, confirming exposure to CECs. Fish plasma hormone analyses suggested the presence of physiological effects, including a reduced stress response, altered estrogen synthesis or estrogenic exposure, and reduced thyroxine. Most fish responses were found at all sites and could not be directly associated with effluent discharges. However, concentrations of thyroxine were lower at all discharge sites relative to the reference, and estradiol concentrations were lower at three of the four outfall sites. The physiological responses found were not associated with adverse impacts on fish reproduction or populations. Interpretation of molecular and physiological measurements in field organisms such as those used in the present study is challenging because of a lack of information on baseline conditions and uncertain linkages to apical endpoints such as survival and reproduction.
File Format	HTM / HTML
ISSN	07307268
Issue Number	12
Volume Number	31
e-ISSN	15528618
Journal	Environmental Toxicology and Chemistry
Language	English
Publisher	Wiley
Publisher Date	2012-12-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Water Pollutants, Chemical Water Pollution, Chemical Research Support, Non-u.s. Gov't Toxicity Discipline Environmental Health Discipline Toxicology Male Waste Disposal, Fluid Estradiol Endocrine Disruptors Blood Journal Article Reproduction Discipline Chemistry Female Physiology Seawater Environmental Monitoring California Drug Effects Flounder Chemistry Animals Analysis Statistics & Numerical Data Methods
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis

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Selected personal care products and endocrine disruptors in biosolids: an Australia-wide survey.

Integrated coastal effects study: synthesis of findings.

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