rq evaluation
Post on 21-May-2015
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RQ EvaluationBy
Charlene Cotillas
Joannamel coloFiddy Semba Prasetiya
Metal Species Scientific Name Species Common NameSpecies test
GroupEndpoint Conc. (µg/L)
Cu
Chlorella kessleri Green algae Algae NOEC 0.000108(mol/L)
Ceriodaphnia dubia Water flea Crustaceans NOEC 4
Cyprinus carpio Carp Fish NOEC 1.7
Cd
Chlorella pyrenidosa Green algae Algae NOEC 3
Ceriodaphnia dubia Water flea Crustaceans NOEC 11
Cyprinus carpio Carp Fish NOEC 0.02
Chlordane
Pseudokirchneriella subcapitata
Green algae AlgaeNo available
No available
Daphnia magna Water flea Crustaceans LC50 28.4
Cyprinus carpio Carp Fish LC50 2.9
Ecotox database results
RQ calculation
RQ Copper (Cu) = PEC/PNEC = 0.01 / 0.17 = 0.058RQ Cadmium (Cd) = PEC/PNEC = 0.005 / 0.002 = 2.5RQ Chlordane = PEC/PNEC = 0.0001 / 0.0029 = 0.034
RQ > 1 = = = High Potential RiskConclussion: Cadmium (Cd) has highest risk than others
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