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Toxicity evaluation of treated refinery effluent using brine Shrimp (Artemia salina) Egg and Larval Bioassay

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Title Toxicity evaluation of treated refinery
effluent using brine Shrimp (Artemia salina)
Egg and Larval Bioassay
Not Available
 
Creator Sasikumar,Geetha
Dineshbabu,A P
Krishnakumar,P K
Bhat,G S
 
Subject Toxicity
treated refinery
brine shrimp
 
Description Not Available
A bioassay test using Artemia Salina egg and larvae is conducted to evaluate the aquatic toxicity
treated refine7 effluents. The brine shrimp (Artemia salina) has gained popularity as test organism
for short-term toxicity testing because of its ease of culture, short generation time, cosmopolitan
distribution and its commercial availability as dormant eggs. One year study has been carried out
to assess toxicity of effluent samples collected from an oil refinery at Mangalore, (India) on the egg
hatching and larval survival rate of A. salina. The chemical quality of the refinery effluent collected
during Oct 2002 - Sep 2003 was found to be within the prescribed permissible limits. The mean
EC50 for egg hatching rate using the effluent collected during the dry and wet seasons was 40.6%
and 73.496 effluent (%by volume) respectively. The mean LC50 value for larval mortality using the
effluent samples collected during the dry and wet seasons was 37.2% and 48% effluent respectively.
The mean No Observed Effect Concentration (NOEC) for the effluent in the present study was
6.3%. The reported natural dilution available in the Arabian Sea near the marine outfall of the
refinery is sufficient enough to dilute the effluent below the observed NOEC.
Not Available
 
Date 2021-09-15T08:30:21Z
2021-09-15T08:30:21Z
2007
 
Type Article
 
Identifier Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/62192
 
Language English
 
Relation Not Available
 
Publisher CIFT