NDLI: Caffeine and agricultural pesticide concentrations in surface water and groundwater on the north shore of Kauai (Hawaii, USA).

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Knee, Karen L. Gossett, Richard Boehm, Alexandria B. Paytan, Adina
Spatial Coverage	Hawaii
Description	Country affiliation: United States Author Affiliation: Knee KL ( Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305, USA. klknee@stanford.edu)
Abstract	Caffeine has been associated with wastewater pollution in temperate and subtropical locations, but environmental caffeine concentrations in tropical locations have not been reported. The objectives of this study were to measure caffeine and agricultural pesticide (carbaryl, metalaxyl, and metribuzin) concentrations in environmental waters on the tropical north shore of Kauai (Hawaii, USA) and assess whether patterns in caffeine concentration were consistent with a wastewater caffeine source. Groundwater, river, stream and coastal ocean samples were collected in August 2006 and February 2007. Caffeine was detected in all August 2006 samples and in 33% of February 2007 samples at concentrations up to 88ngL(-1). Metribuzin was detected in five samples collected in February 2007. Carbaryl and metalaxyl were not detected in any sample. Caffeine was not detected in offshore ocean samples or river samples upstream of human development. A positive correlation between caffeine and enterococci suggested a possible wastewater caffeine source.
File Format	HTM / HTML
ISSN	0025326X
Issue Number	8
Volume Number	60
e-ISSN	18793363
Journal	Marine Pollution Bulletin
Language	English
Publisher	Elsevier
Publisher Date	2010-08-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Biology Caffeine Analysis Environmental Monitoring Fresh Water Chemistry Pesticides Water Pollutants, Chemical Hawaii Water Pollution, Chemical Statistics & Numerical Data Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Pollution Aquatic Science Oceanography

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