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Table 2 Comparison of Constituent Levels in MW-9R Sediments with ESL Values <br /> Constituent, MW-9R55&60 t° Deep"Soil ESL <br /> Antimony <25 <br /> Arsenic 17 <br /> 16 <br /> Barium 54 2500 <br /> Beryllium <0 50 98 <br /> Cadmium < 0 50 ig <br /> Chromium(Total) 16 58 <br /> Cobalt 53 94 <br /> Copper 78 2500 <br /> Lead 2 6 750 <br /> Mercury <010 110 <br /> Molybdenum < 0 10 2500 <br /> Nickel 13 1000 <br /> Selenium < 1 0 2500 <br /> Silver <br /> 3i 2500 <br /> Thallium < 1 0 51 <br /> Vanadium 22 2500 <br /> Zinc 16 2500 <br /> Total Alkalinity 23 mg/L NA <br /> Bicarbonate as 23 mg1L MA <br /> CaCO3 <br /> Carbonate as CaCO3 f ND NA <br /> Hydroxide as CaCO3 ND NA <br /> Laboratory data sheets contain complete analysis results (Attachment B) <br /> ESL values are for deep soils (> 3 m bgs) In a current or possible drinking water aquifer that is currently in <br /> residential usage (CRWQCB, 2004) <br /> C\Documents and <br /> Seltingslcgohnsonloesktop\UnocallGeochemEval_D 9 November 2004 <br /> oc doe <br /> I <br /> I , <br />