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nnGE 1 <br />TABLE 19 <br />SUMMARY OF WATER OUALITV DATA <br />N0. 5 MINE DISCHARGE <br />PARAMETER <br />PHYSICAL PROPERTIES <br />MEAN STD. DEV. MAX. MIN. UNITS. N0. PERIOD <br />TEMPERAtURE FIELD 15 .794 3 .778 23 .000 6. 000 DEGREES C 210 5/82-12/90 <br />CONDUCTIVITY FIELD 1376 .595 721 .024 1654 ,000 1050. 000 UMHOS/CM 205 5/82-72/90 <br />CONDUCTIVITY LAB 1260 .000 150 .374 1560 .000 950 .000 UMHOS/CM 17 9/81- 8/69 <br />PH FIELD 7 .725 0 .297 8 .600 7 .000 PH 207 5/82-12/90 <br />PH LAB 8 .236 0 .315 8 .660 7. 300 PH t7 9/B 1- 5/90 <br />ALNALINITV TOTAL 666 .500 47 .079 708 .000 616. 000 MG/L 12 9/67- 5/90 <br />ACIDITY AS CAC03 <668. 000 0. 000 <660 .000 0. 000 MG/L 3 12/85- 6/66 <br />HARDNESS TOTAL 137. 090 233. 502 837 .000 36. 000 MG/L it 9/81-72/83 <br />SOLIDS DISSOLVED 862 .984 77 .485 1778 .000 675. 000 MG/L 65 9/81-10/90 <br />SOLIDS SUSPENDED <9. 705 9. 671 70 .000 2. 000 MG/L 190 12/87-12/90 <br />SOLIDS SETTLEABLE <0. 200 0. 000 <0 . 200 <0. 200 ML/L 1 5/90 <br />OILBGR EA SE VLSI 2. 000 0. 000 2 .000 2. 000 207 1/87-12/90 <br />SAR 17. 422 4. 492 25 .393 12. 970 II 9/81-12/83 <br />CATIONS <br />CALCIUM TOTAL 9 .000 1 .41a 10. 000 6 .000 MG/L 2 8/83- 9/83 <br />CALCIUM TOTAL RECD IS .fi66 fi .204 24 .000 7 .000 MG/L 9 9/Bt-12/83 <br />MAGNESIUM TOTAL 4 .500 0 .707 5 .000 4 .000 MG/L 2 B/B3- 9/63 <br />MAGNESIUM TOTAL RECO 6 .666 2 .345 12. 000 4 .000 MG/L 9 9/61-12/63 <br />SODIUM TOTAL 327. 500 7 .776 333. 000 322 .000 MG/L 2 8/63- 9/63 <br />SODIUM TOTAL RECD 306. 444 21. 754 352. 000 272 .000 MG/L 9 9/81-12/83 <br />POTASSIUM TOTAL 5. 350 0. 494 5. 700 5 .000 MG/L 2 6/83- 9/83 <br />POTASSIUM TOTAL RECD 4. 866 0 .744 6. 400 3 .600 MG/L 9 9/Bt-12/63 <br />U = MICRO <br />