1. Romanian Tailings Survey Tisa River Basin

2. Background In January of 2000 a tailings dam in Baia Mare failed releasing cyanide contaminated water into the Tisa River Basin In March of 2000 a tailings dam in Baia Borsa failed releasing sediment into the Tisa River Basin In January of 2000 a tailings dam in Baia Mare failed releasing cyanide contaminated water into the Tisa River Basin In March of 2000 a tailings dam in Baia Borsa failed releasing sediment into the Tisa River Basin

3. Our Project SRK was brought in as part of a team to inventory and assess the risks posed by tailings dams and waste rock dumps in the Tisa River Basin

4. Area of Study

5. Pool to Close to Crest If the tailings pool gets to close to crest of the dam it can saturate the embankment and cause instability

6. Seepage

7. Erosion Erosion of the slopes if not controlled with BMPs can lead to tailings release into the environment Erosion of the slopes if not controlled with BMPs can lead to tailings release into the environment

8. Steep Slopes Over-steepened slopes in tailings can cause slumping failures and erosional failures

9. Steep Slopes Over-steepened slopes and degrading sulfide ore have caused block failures

10. Piping of Tailings Grey indicates fresh unoxidized tailings

11. Cyanide Contaminated Water Cyanide contaminate water from gold production is treated, then released

12. Tunnel Under Tailings Any conduit under tailings is a danger during closure because of possible failure Tunnels Decant systems Any conduit under tailings is a danger during closure because of possible failure Tunnels Decant systems

13. Emergency Spillways

14. Tailings Revegetation

15. Air Pollution Vegetation loss caused by acid rain

16. Tailings Pond Fishing Only concern is bioaccumulation of metals in the fish

17. Closing Mines This tailings dam and associated process plant closed on the 1st of May, two weeks before our inspection

18. Mining Pictures

19. The Communist Era

20. Rosia Montana – Roman Mine

21. Romanian Culture