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FISH KILL MYSTERY (2.Potential Causes (Industrial waste
Heavy metal…
FISH KILL MYSTERY
2.Potential Causes
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Chlorine from sewage treatment facility
Discharge from facility could contain Cl in high concentrations
Agricultural run-off
Heavy rainfall, run-off of fertilizer
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3.Testing
Agricultural/Industrial Waste
- EPA method, analysis with GC-MS
2.ICPE spectrometery
Cl in Sewage Treatment Facility
1.Total chlorine test strip
2.Caged fish mortality rate in localized area
Algal Bloom
- Polarographic electrode based probe
- Winker oxygen titration
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4.Results
Agricultural/Industrial Waste
Low concentration of toxic compounds and heavy metal present in acceptable range
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Outboard Motors
UV-Vis indicated differences in the blood of control fish compared to that of the dead fish
Palladium mirror formed, confirming presence of CO
Caged test fish did not survive
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