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Table 9. Logan Wash Mine Evaporation Pond Soil Data <br />SampleID <br />Sample Date <br />Parameters Units <br />General Chemistry <br />Chloride mg/Kg <br />Electrical Conductivity @ Saturation mmhos/cm <br />Fluoride mg/Kg <br />Moisture % of sample <br />Nitrogen, Ammonia mg/Kg <br />Nitrogen, Nitrate mg/Kg <br />pH s.u. <br />Salinity mg/Kg <br />Sodium Adsorption Ratio none <br />Sulfate mg/Kg <br />Metals <br />Arsenic mg/Kg <br />Boron mg/Kg <br />Calcium mg/Kg <br />Calcium mg/L <br />Magnesium mg/Kg <br />Magnesium mg/L <br />Potassium mg/Kg <br />Selenium mg/Kg <br />Sodium mg/Kg <br />Sodium mg/L <br />Volatile Organic Compounds - BTEX <br />Benzene ug/Kg-dry <br />Ethylbenzene ug/Kg-dry <br />Toluene ug/Kg-dry <br />m,p-Xylene ug/Kg-dry <br />o-Xylene ug/Kg-dry <br />Xylenes, Total ug/Kg-dry <br />Petroleum Products <br />DRO (C10-C28)mg/Kg <br />GRO (C6-C10)ug/Kg-dry <br />Volatile Organic Compounds <br />2,3,4,6-Tetrachlorophenol ug/Kg <br />2,3,5,6-Tetrachlorophenol ug/Kg <br />2,4,5-Trichlorophenol ug/Kg <br />2,4,6-Tribromophenol ug/Kg <br />2,4,6-Trichlorophenol ug/Kg <br />2,4-Dichlorophenol ug/Kg <br />2,4-Dimethylphenol ug/Kg <br />2,4-Dinitrophenol ug/Kg <br />2,6-Dichlorophenol ug/Kg <br />2-Chlorophenol ug/Kg <br />2-Methylphenol ug/Kg <br />2-Nitrophenol ug/Kg <br />3&4-Methylphenol ug/Kg <br />4,6-Dinitro-2-methylphenol ug/Kg <br />4-Chloro-3-methylphenol ug/Kg <br />4-Nitrophenol ug/Kg <br />Dibromofluoromethane ug/Kg-dry <br />Pentachlorophenol ug/Kg <br />Phenol ug/Kg <br />Notes: <br />U = result not detected at the reporting limit <br />J = result value greater than the MDL and less than the RL; result considered estimated <br />LW-NEB1: 5.0-7.0 FT LW-NEB1: 5.0-7.0 FT LW-NEB1: 5.0-7.0 FT <br />Composite LW-NEB1: 8.0-10.0 FT LW-NEB1: 8.0-10.0 FT LW-NEB1: 8.0-10.0 FT <br />Composite <br />2/9/2018 2/9/2018 2/9/2018 2/9/2018 2/9/2018 2/9/2018 <br />------36 J ------21 J <br />------16 ------15 <br />------11 U ------6.6 <br />19 19 19 17 17 17 <br />------16 ------5.1 J <br />------7.2 J ------8.1 <br />------4.14 ------3.78 <br />------9800 ------9800 <br />------12 ------8.4 <br />------10000 ------8300 <br />------93 ------17 <br />------56 ------36 <br />------20000 ------14000 <br />------420 ------400 <br />------4700 ------5500 <br />------700 ------730 <br />------1600 ------1600 <br />------5.2 ------16 <br />------8400 ------5100 <br />------1700 ------1200 <br />------7.5 U ------7.2 U <br />------9.3 U ------8.9 U <br />------46 ------33 J <br />------21 U ------20 U <br />------17 U ------16 U <br />------38 U ------36 U <br />------3.5 U ------3.4 U <br />------3100 U ------2900 U <br />------11 U ------10 U <br />------11 U ------10 U <br />------11 U ------11 U <br />------2500 ------2400 <br />------11 U ------11 U <br />------8.6 U ------8.4 U <br />------8.3 U ------8.1 U <br />------22 U ------22 U <br />------10 U ------10 U <br />------13 U ------13 U <br />------11 U ------11 U <br />------12 U ------11 U <br />------8.2 U ------8.0 U <br />------10 U ------10 U <br />------12 U ------11 U <br />------36 U ------36 U <br />------1400 ------1400 <br />------15 U ------15 U <br />------10 U ------9.9 U <br />NORTHEAST BACKGROUND <br />Page 2 of 11