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3 <br />Sample Date <br />Alluvial Well 21 -5 <br />Dissolved Sodium (mg /L) Continued <br />June 3, 2013 <br />503 <br />November 18, 2013 <br />514 <br />March 10, 2014 <br />519 <br />The seasonal water level variation does not correlate closely with fluctuations in <br />the concentration of dissolved sodium. The historical record of dissolved sodium <br />samples versus the ground water elevation at alluvial well 21 -5 is provided in the <br />following hydrograph: <br />The cation /anion balance for the March 10, 2014 sample from alluvial well 21 -5 is <br />4.5 %. The sum of the anions and cations measured from this sample are 32 <br />meq /L and 35 meq /L, respectively. Conductivity (2910 umhos /cm) and total <br />Well 21 -5 (Alluvial Completion) <br />Water Elevation and Dissolved Sodium <br />550 <br />CO_ N _ <br />6040 <br />525 <br />Early Warning Indicator = 498 mg /L o rn 01 <br />6039 <br />500 <br />A <br />6038 <br />,475 <br />E 450 <br />OD CD °° <br />6037 <br />E 425 <br />V) t04_ I �� <br />6036 <br />c 400 <br />; ; <br />6035 <br />M 375 <br />�� <br />CD <br />> 350 <br />6034 <br />6033 <br />(6 325 <br />p 300 <br />C <br />Temporary <br />6032 <br />Suspension <br />m <br />i <br />6031 <br />275 <br />Operational <br />' ' <br />6030 <br />250 <br />rnrnrn 000000.-- .- -�- .- .- .-- (V(VN(VCV(VMMMMMM� avv�lW )�IXOCOf�I`- CDNO>6�O�r-NNC')C» <br />rnrn�00000�00�0��0o�o ooaoQ��o�oo��00000 «�f�� �� <br />O_W (f)t�0c0�)O�X�VO� c -(`JO <br />a)<`W�oMUlr -000- •- tVm0�'- r�CVt�)OOt�a 0� �O" Ot "� 0- <br />Z =6 _0i!4)_C'J_C'V <br />t�6Tr rM�IN�O��ch�f )t`O��Mt['X�Or-.- MWN-Oh:_V X-0C 1-rM Mc- M03(')mM)0) O)c") M6xn <br />Date <br />Water Elevation —<—Sodium, dissolved Sodium Early Warning Indicator <br />The cation /anion balance for the March 10, 2014 sample from alluvial well 21 -5 is <br />4.5 %. The sum of the anions and cations measured from this sample are 32 <br />meq /L and 35 meq /L, respectively. Conductivity (2910 umhos /cm) and total <br />