MAIN CONCLUSIONS

Differences in prevalence of skin symptoms, eye irritation, nasal irritation and vomiting between Upper (less exposed) and Lower Paalaban (more exposed) were significant.
Levels of cyanide were elevated at the CIP Mill Outlet and at Tailings Dam 5A. Lead and mercury levels were elevated at the CIP Mill Outlet and at Tailings Dam 5A during spot sampling.
Those exposed to mine drainage had higher levels of cyanide, lead and copper in their blood as compared to the controls.
There was a positive linear correlation between the hours of exposure to mine drainage and the subjects’ hemoglobin, blood cyanide and lead levels.

Differences in prevalence of skin symptoms, eye irritation, nasal irritation and vomiting between Upper (less exposed) and Lower Paalaban (more exposed) were significant.