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Vplyv ťažby nerastných surovín na životné prostredie - prieskum ...

Vplyv ťažby nerastných surovín na životné prostredie - prieskum ...

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pH<br />

9<br />

8<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

Potok Smolník 1986-2000 - sútok s Hnilcom<br />

1986<br />

pH<br />

Fe<br />

1987<br />

1988<br />

1989<br />

1990<br />

1991<br />

1992<br />

B-68 pH Fe SO4 2-<br />

Cd Pb As Cu Zn<br />

(SM-9) mg/l mg/l μg/l μg/l μg/l μg/l μg/l<br />

May 4 7.2 0.7 35 0.1 2.9 9 43 41<br />

May 30 7.2 1.2 41 2.3 5.5 6 50 37<br />

Jun 6 4.5 2.4 50 3.8 4.1 7 111 57<br />

August 10 3.2 17.2 450 14.6 81.1 634 2340 1200<br />

1993<br />

1994<br />

1995<br />

1996<br />

1997<br />

1998<br />

1999<br />

2000<br />

100<br />

90<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

mg/l

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