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