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Bengalla Mine Environmental Impact Statement (1993) - Part 1 of 3

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2:9<br />

TABLE 2.3<br />

SURFACE WATER QUALITY, HUNTER RIVER<br />

W1 W2 W3<br />

April 1992<br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

not sampled<br />

8.1<br />

640<br />

7<br />

8.0<br />

700<br />

9<br />

May 1992<br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

not sampled<br />

8.3<br />

1,170<br />

5<br />

8.3<br />

770<br />

10<br />

June 1992<br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

8.3<br />

400<br />

5<br />

8.3<br />

400<br />

6<br />

8.2<br />

490<br />

7<br />

July 1992<br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

8.4<br />

800<br />

9<br />

8.3<br />

580<br />

10<br />

8.4<br />

570<br />

10<br />

August 1992<br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

8.3<br />

790<br />

20<br />

8.5<br />

670<br />

5<br />

7.8<br />

670<br />

15<br />

September 1992<br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

8.7<br />

670<br />

8<br />

8.5<br />

540<br />

5<br />

8.5<br />

530<br />

6<br />

October 1992<br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

8.0<br />

560<br />

20<br />

8.3<br />

550<br />

10<br />

8.1<br />

420<br />

6<br />

November 1992<br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

8.9<br />

460<br />

45<br />

8.7<br />

460<br />

10<br />

8.5<br />

470<br />

10<br />

December 1992<br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

8.9<br />

660<br />

6<br />

8.7<br />

580<br />

10<br />

8.8<br />

580<br />

10<br />

January <strong>1993</strong><br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

8.2<br />

420<br />

30<br />

8.8<br />

415<br />

6<br />

8.7<br />

415<br />

25<br />

February <strong>1993</strong><br />

pH<br />

Conductivity (µS/cm)<br />

Total Suspended Solids (mg/L)<br />

8.5<br />

490<br />

15<br />

8.3<br />

420<br />

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