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~s r~ ~ ~ ~ ~ . r r ~ a ~ ~ ~ i w ~ ~ ~ <br />~ ~ ~. ,,E ~ <br />TABLE 47 <br />SUMMARY OF WATER OUALITV DATA <br />1990 <br />WELL SM-7, ROATCAP CREEK COLLUVIUM <br />PARAMETER MEAN STD. DE V. MAX. MIN. UNITS. NU. PERIOD <br />PHYSICAL PROPERTIES <br />TEMPERATURE FIELD 9. 685 1 .165 11. 000 7. 800 DEGREES C 7 a/90-10/90 <br />CONDUCT] V17v FIELD 235. 857 26 .777 294 .000 279 .000 uMH05/CM 7 a/90-10/9n <br />CONDUCTIVITY LAB 200. 500 78 .468 344 .000 233 .000 UMHOS/CM 2 5/90- 0/90 <br />PH FIELD 7. 740 0 .114 7. 900 7 .600 PH 5 6/90-10/90 <br />PH LAB 7. 550 0 .636 8. 000 7. 700 PH 2 5/90- B/90 <br />ALK4LINI7V TOTAL 730. 500 0 .707 137 .ODC '30 .000 MG/L 2 5/90- 0/90 <br />HARDNESS TOTAL 150. 500 54 .447 189 .000 112 .000 MG/L 2 5/90- B/90 <br />SOLIDS DISSOLVED 182. 000 33 .947 206 .000 156. 000 MG/L 2 5/9U- 6/90 <br />SOLIDS SUSPENDED 102. 000 0 .000 102. 000 102. 000 MG/L 1 5/90 <br />SAR 0. 239 0 .069 0 .266 0 .190 2 5/90- B/90 <br />CATIONS <br />C4LCIUM DISSOLVED 44. 500 20 .506 59. 000 30. 000 MG/L 2 5/90- 0/90 <br />MAGNESIUM DISSOLVER 9. 500 D .7n^. 70 .000 x .000 MGiI Sign- Ri9n <br />SODIUM DISSOLVED 6. 500 0 .701 7 .000 6. 000 MG/L 2 5/90- B/9U <br />ANIONS <br />BICARBONATE AS HC03 159. 500 0 .707 160 .000 159 .OG0 MG/L 2 5/90- B/90 <br />CARBONATE AS C03 0. 000 0 .000 0 .000 0 .000 MG/L 2 5/90- 6/90 <br />CHLORIDE 7. 000 0 .000 7 .000 7 .000 MG/L 2 v/9U- B/90 <br />SULFATE 59. 000 26 .870 76 .000 40. 000 MG/L 2 5/90- 0/90 <br />U = MICRO <br />