Document Detail

Comparative toxicity of chlorothalonil: Ceriodaphnia dubia and Pimephales promelas.
MedLine Citation:
PMID:  14575671     Owner:  NLM     Status:  MEDLINE    
Chlorothalonil is a commonly used fungicide in rural and urban environments and can be incidentally introduced into aquatic systems through rainfall runoff or direct overspray and drift from aerial applications. Few studies have been published regarding risks to aquatic organisms exposed to chlorothalonil, so this study was performed to provide a first-order risk characterization for receiving system biota. Definitive laboratory toxicity tests were conducted with aqueous solutions of chlorothalonil and sentinel aquatic organisms (Ceriodaphnia dubia Richard and Pimephales promelas Rafinesque). P. promelas was more sensitive (7-day potency=6.1% mortality/mug/L) than C. dubia (7-day potency=0.94% mortality/mug/L) to chlorothalonil exposures. All mortality of P. promelas and C. dubia resulting from these chlorothalonil exposures occurred within the first 96h and no sublethal effects (i.e., growth or reproduction) were detected under these experimental conditions following 7-day exposures.
R M Sherrard; C L Murray-Gulde; J H Rodgers; Y T Shah
Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Ecotoxicology and environmental safety     Volume:  56     ISSN:  0147-6513     ISO Abbreviation:  Ecotoxicol. Environ. Saf.     Publication Date:  2003 Nov 
Date Detail:
Created Date:  2003-10-24     Completed Date:  2004-04-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7805381     Medline TA:  Ecotoxicol Environ Saf     Country:  United States    
Other Details:
Languages:  eng     Pagination:  327-33     Citation Subset:  IM    
Department of Environmental Toxicology, Clemson University, 509 Westinghouse Road, P.O. Box 709, Pendleton, SC 29670-0709, USA.
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MeSH Terms
Fungicides, Industrial / toxicity*
Lethal Dose 50
Nitriles / toxicity*
Risk Assessment
Water Pollutants, Chemical / toxicity*
Reg. No./Substance:
0/Fungicides, Industrial; 0/Nitriles; 0/Water Pollutants, Chemical; 1897-45-6/tetrachloroisophthalonitrile

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