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s <br /> EMCON Assocwto:, <br /> Project 919 021"11 <br /> Table 2 <br /> Historical Summary of Analytical Results,S-1,S-2 <br /> Sample Type:Water <br /> Units:m n,unless noted <br /> Sample Designation <br /> S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-2 S-2 ; :? <br /> Sam lin Date 11/06/9() 12/12/90 01/24/91 02/19/91 03/04/91 04/10/91 05/14/91 06/27/91 07/22/91 08/15/91 09/17/91 10/31/91 11/06/90 12/12/90 01/21N./1 <br /> General Water-quality Parameters <br /> Chloride 28 33 34 79 34 13 10 14 18 16 19 22 29 35 31 <br /> Nitrate-Nitrogen <0.1 <0.1 1.4 0.9 <0.1 0.2 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0I <0I <br /> Total Dissolved Solids 300 350 320 590 320 280 210 240 300 320 290 200 290 260 2 x 1 <br /> Sulfate <8 <8 <8 <8 <8 <8 <8 <8 <8 <8 <8 <8 <8 <8 •_a <br /> Total Organic Carbon 19.8 25.1 225.0 106.0 64.1 21.4 20.4 18.9 23.1 24.4 24.0 30.5 22.5 363 21 5 <br /> Hardness,Total 150 170 170 180 94 96 190 120 120 130 110 73 140 130 150 <br /> pH(units) 8.29 6.85 4.17111 8.12 7.38 7.45 6.90 7.25 7.27 7.21 7.10 7.09 7.36 8.08 3,43111 <br /> Electrical Conductivity(umhos/cm) 463 490 568 775 402 340 343 403 394 372 355 260 420 430 5441 <br /> Iron,Dissolved 2.4 4.0 0.54 1.4 1.6 0.33 1.3 0.53 0.66 0.79 0.36 0.09 1.1 1.3 1 ,- <br /> Manganese, <br /> ,-Manganese,Dissolved 0.07 0.17 0.66 <0.05 0.14 0.21 0.07 <0.05 0.07 0.06 0.09 0.10 <0.05 0.08 0 1 <br /> Only organic compounds detected in one or more samples are listed. <br /> NR=Not Required <br /> 1 I pH meter was not functioning ro erl . <br />