REP42186

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 2/2/2001
• Doc Name: 2000 ANNUAL HYDROLOGY REPORT LIST OF TABLES
• Annual Report Year: 2000
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

TW ENTYMILE C~COM17PANY •
2000 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALITY DATA

summary of wafer quality data-Ill.hrw
CATEGORY PARAMETER ANALYSIS TYPE AVERAGE STD. DEV. MAXIM1tUM1I MINIMUM UNITS COUNT BEGIN END
PHYSICAL PROPERTIES TEMPERATURE FIELD 10.81 2.60 19.:10 8.00 DEGREESC 45 01/81 09/00
CONDUCTIVITY FIELD 1,840.91 765.97 3,490.00 350.00 UMHOS/CM 45 01/81 09/00
LAB 2,184.36 947.14 5,740.00 1,149.00 UMHOS/CM 28 05/87 09/00
PH FIELD 7.63 0.53 9.77 6.40 PH 45 OI/BI 09/00
LAB ~ 7.68 0.43 8.30 6.86 PH R 05/97 09/00
ALKALRJITY TOTAL 463.92 85.42 761.00 360.00 MG/L 26 05/87 09/99
ACIDITY AS CAC03 3.35 4.74 6.70 0.00 MG/L 2 01/81 01/82
HARDNESS TOTAL 150.00 0.00 150.^.0 150.00 MG/L I 10/86 10/86
AS CAC03 219.22 136.86 629.(10 28.00 MG/L 41 OI/81 09/99
SOLIDS TOTAL-DISS 1,450.21 747.19 4,370.00 420.00 MG/L 43 OI/BI 09/00
OIL&GREASE VISIBLE NOT APPLICABLE 2.00 0.00 2.00 2.00 UNDEFMED I 05/88 OS/RB
CATIONS CALCIUM DISSOLVED 43.33 28.59 143.00 8.00 MG/L 43 OI/81 09/00
MAGNESIUM DISSOLVED 23.81 15.08 66.00 2.00 MG/L 43 OI/RI 09/00
SODIUM DISSOLVED 439.37 188.75 1,160.00 101.00 MG/L 43 OI/RI 09/00
POTASSIUM DISSOLVED 3.09 0.71 4.20 2.30 MG/L 8 01/81 04/83
SAR NOT APPLICABLE 13 95 4.79 29.50 0.45 UNDEFRJED 43 01/81 09/99
ANIONS BICARBONATE AS HC03 541.13 116.37 913.20 292.00 MG/L 43 01/81 09/00
CARBONATE AS CO3 7.62 15.34 6600 0.00 MG/L 22 04/81 09/00
HYDROXIDE AS OH 0.00 0.00 0.00 0.00 MG/L I 1 06/93 09/99
CHLORIDE NOT APPLICABLE 15.60 10.38 44.00 5.00 MG/L l5 OI/81 10/86
SULFATE NOT APPLICABLE 665.35 447.92 2,400.00 35.00 MG/L 43 OI/81 09/00
PRIMARY ARSENIC DISSOLVED 0.00 0.00 0.00 0.00 UG/L 12 OI/BI 10/86
BARIUM DISSOLVED 0.00 0.00 0.00 0.00 UG/L 2 01/81 01/82
CADMIUM DISSOLVED 0.21 0.82 5.00 0.00 UG/L 40 OI/61 09/00
LEAD DISSOLVED 4.24 17.68 90.00 0.00 UG/L 33 01/81 09/00
MERCURY DISSOLVED 0.11 0.63 4.00 D00 UG/L 40 01/81 09/00
SELENIUM DISSOLVED 0.55 2.16 II:?7 0.00 UG/L 40 OI/81 09/00
SILVER DISSOLVED 000 0.00 O.UO 0.00 UG/L 2 01/81 01/82
SECONDARY COPPER DISSOLVED 0.00 0.00 0.00 0.00 UG/L 5 01/81 04/83
ZINC DISSOLVED 33.50 17.97 54.00 0.00 UG/L 12 OI/81 10186
IRON DISSOLVED 225.12 442.79 2,630.OD 0.00 UG/L 43 01/BI 09/00
MANGANESE DISSOLVED 61.14 96.02 640.00 7.00 UG/L 43 01/81 09/00
TRACE METALS ALUMINUM DISSOLVED 100.00 223.61 500!17 0.00 UG/L 5 OI/BI 04/83
BORON DISSOLVED 388.00 84.08 5081,0 300.00 UG/L 5 01/81 04/83
MOLYBDENUM DISSOLVED 000 0.00 O(~0 0.00 UG/L 33 01/81 09/00
NUTRIENTS NITROGEN AMMIUM-TOTAL 1.09 1.13 2.69 0.00 MG/L 10 01/81 05/88
AMMIA-FREE 0.00 0.00 O.UI 0.00 MG/L 10 OI/81 05/88
NITRATE 0.23 0.40 IA3 0.00 MG/L 29 10/R6 09/00
TABLE IA SITE:09794 (W ELL 009-79-4, WADGE OVERBURDEN}