HYDRO31173

• Permit No: M1999051
• IBM Index Class Name: Hydrology
• Doc Date: 2/1/2001
• Doc Name: February 2001 Surface and Groundwater Monitoring Report
• From: Natural Soda Inc.
• To: DMG
• Permit Index Doc Type: Other Ground Water
• Media Type: D
• Archive: No

Natural Soda, Inc. February 2001
Surface and Groundwater Monitoring Report
Table 13. February 2001 Quality Control Samples
Lab Numbers 5868-5897 QC Blank Spike Duplicate
Benzene 0.0182/0.0170 0.000010.0000 0.019/0.017 0.000/0.000
Ethylbenzene 0.0191/0.0170 0.000/0.000 0.019/0.017 0.000/0.000
Toluene 0.0162/0.0170 0.000/0.000 0.0157/0.017 0.000/0.000
Xylene 0.0160/0.0170 0.000/0.000 0.017/0.017 0.000/0.000
Diss. Aluminum(AI) 0.141/0.15 0.000/0.000 0.165/0.150 0.074/0.08_1

Diss. Antimony(Sb)
0.048/0.050
0.000/0.000
0.046/0.050 _
0.000/0.000
Diss. Arsenic{As) 0.09610.10 0.00010.000 0.09510.10 0.00010.000
Diss. Barium(Ba) 0.20Al0.20 0.00010.000 0.20710.20 0.00010.000
Diss. Beryllium(Be) 0.0049(0.0050 0.000/0.000 0.0098/0.0100 0.000!0.000
Diss. Boron(8) 0.905!1.00 0.000!0.000 0.483!0.500 0.053!0.050
Diss. Cadmium(Cd) 0.0460/0.0500 0.000/0.000 0.0481/0.0500 0.000/0.000
Diss. Calcium(Ca) 9.586/10.0 0/0 9.37/9.55 8.7518.95
Diss. Chromium(Cr) 0.0534/0.050 0.000/0.000 0.046/0.050 0.000/0.000

Diss. Cobalt(Co)
0.050/0.050
0.000/0.000
0.044/0.050 _
0.000/0.000
Diss. Copper(Cu) 0.108/0.110 0.000/0.000 0.037/0.040 0.022/0.021
Diss.lron(Fe) 1.05/1.00 D.DO/0.00 1.10/1.04 0.03/0.03
Diss. Lead(Pb) 0.02410.025 0.00010.000 0.026410.0250 0.00010.000
Diss. Lifhium(Li) 2.0512.00 0.0010.00 2.3612.18 0.185/0.185
Diss. Magnesium(Mg) 9.80!10.0 0/D 3.34!3.43 13.2(13.5
Diss. Manganese(Mn) 0.050/0.050 0.000/0.000 0.028/0.029 0.052/0.051

Diss. Mercury(Hg) 0.00063/0.00063 0.00000/0.0000
0 0.00061/0.00062 0.00000/0.000
00
Diss. Molybdenum(Mo) 0.050/0.050 0.000/0.000 0.015/0.016 0.003/0.003
Diss. Nickel(Ni) 0.0569/0.055 0.000/0.000 0.053/0.055 0.000/0.000
Diss. Potassium(K) 5.2115.00 0.010.0 7.11/6.59 4.7214.59
Diss. Selenium(Se) 0.048510.0500 0.00070.000 0.054!0.050 0.00010.000
Diss. Silica{SiO2) 10.5!10.0 0.0/0.0 27.0!26.2 31.0!30.4
Diss. Silver(Ag) 0.0208/0.0200 0.0000/0.0000 0.0190/0.0200 O.D000/0.000
Diss. Sodium(Na) 19.89/20.0 0.010.0 19.48/19.91 19.79/20.00
Diss. SVOntium(Sr) 2.01/2.00 0.000/0.000 2.43/2.61 1.31/1.31
Diss. Thallium(TI) 0.0106/0.0100 0.000/0.000 0.0219/0.0200 0.000/0.000
Diss. Uranium(U) 0.059/0.0605 0.000/0.000 0.004/0.004
Diss. Vanadium(V) 0.18210.200 0.000/0.000 0.187/0.200 0.000/0.000
Diss. Zinc(Zn) 0.051!0.050 0.00010.000 0.12210.125 0.00510.004
Diss. Bromide(Br) 1.1011.0 0.00010.000 3.03/3.00 0.545!0.537
Total Diss. Organic Carbon 44.0!47.2 0.00!0.00 15.8/16.0 8.8!8.6
Diss. Chloride(CI) 22/25 0/0 35/36.5 8.0/8.25
Conductivity 1410/1412 2.03 (RO) none 1033/1027
Diss. Fluoride(F) 1.07/1.01 0.00/0.00 1.07/1.00 0.198/0.202
Hardness (CaCO3) 195200 0/0 - 777/780
Diss. Nitrate(N) 1.52/1.50 0.00/0.00 1.95/2.54 2.59/2.54
Diss. Nitrate+Nitrite 2.382.50 0.00/0.00 2.45/3.04 2.592.54
Diss. Nitrite(N) 0.863/1.00 0.00!0.00 0.50/0.50 0.00/0.00
pH 7.0!7.0 none 8.1/8.1 8.1!8.1
Diss. Phosphate(PO4) 1.01!1.00 0.00/0.00 1.01/1.OD 0.00/0.00
Diss. Ttl Phosphorous 0.252/0.250 0.00/0.00 0.26/0.285 0.136/0.137
Dissolved Solids 352/313 0/0 456/446 552/580
Diss. Sulfate(SO4) 61.9/G2.8 0/0 303/301 625/627
Diss. Sulfide(s) 2.402.25 0.0/0.0 1.45/1.50 0.0/0.0
Total Alkalinity 443/436 0/0 323/326 437/435
P. Alkalinity 427/414 010 202207 23.8123.8
Daub & Associates, Inc. 16