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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 />LWP-SW2: 5.0-5.5 FT LWP-SW2: 5.5-6.0 FT LWP-SW2: 5.0-6.0 FT <br />Composite LWP-SW2: 8.0-8.5 FT LWP-SW2: 8.5-9.0 FT LWP-SW2: 8.0-9.0 FT <br />Composite <br />2/28/2018 2/28/2018 2/28/2018 2/28/2018 2/28/2018 2/28/2018 <br />------81 ------52 J <br />------5.9 ------5.6 <br />------7.9 ------4.9 U <br />9.5 9.2 9.4 7.8 7.4 7.6 <br />------5.1 J ------4.1 J <br />------20 ------5.7 <br />------7.61 H ------7.65 H <br />------2900 ------3200 <br />------4.6 ------4.2 <br />------5300 ------2800 <br />------4.7 ------3.5 <br />------25 ------21 <br />------28000 ------19000 <br />------600 ------560 <br />------4500 ------3700 <br />------95 ------67 <br />------1600 ------1200 <br />------1.1 ------0.81 <br />------790 ------500 <br />------460 ------400 <br />------6.2 U ------6.0 U <br />------7.6 U ------7.4 U <br />------9.9 U ------9.5 U <br />------17 U ------17 U <br />------14 U ------14 U <br />------31 U ------30 U <br />------3.1 U ------3.0 U <br />------2500 U ------2400 U <br />------9.1 U ------9.0 U <br />------9.1 U ------9.0 U <br />------9.6 U ------9.4 U <br />------1700 ------1300 <br />------9.3 U ------9.2 U <br />------7.4 U ------7.3 U <br />------7.2 U ------7.0 U <br />------19 U ------19 U <br />------9.0 U ------8.8 U <br />------11 U ------11 U <br />------9.5 U ------9.3 U <br />------10 U ------9.8 U <br />------7.1 U ------6.9 U <br />------8.8 U ------8.6 U <br />------10 U ------9.8 U <br />------31 U ------31 U <br />------1000 ------980 <br />------13 U ------13 U <br />------8.7 U ------8.6 U <br />SOUTHWEST POND - FLOODED <br />Page 11 of 11