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ENERGY 4 :I. Hrlera,MT 1774724711 •eRlt n N$-1s Out•Caper,wv gt ns 0515 <br /> kept*bri r Sgacs I961 Gillette.ter 866-666-7171•Rspic Cite.SO U$-$72.122t!•Caw Station,lX I$$-69Q•2216 <br /> Ilk& <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper,WY Branch <br /> Revised Date: 05/16/11 <br /> Client: Cotter Corporation Report Date: 03/03/11 <br /> Project: JD-8 EPP Collection Date: 12/17/10 <br /> Lab ID: C11010810-001 Date Received: 01/27/11 <br /> Client Sample ID: JD-8-ROPC1 Matrix: Solid <br /> MCL <br /> Analyses Result Units Qualifier RL OCL Method Analysis Date By <br /> ACID-BASE POTENTIAL <br /> Neutralization Potential 61 t/kt 1 Sobek Moditie 02/04/11 16:01/ell-b <br /> Acid Potential 4 t/kt Sobek Moditie 02/04/11 16:01/eli-b <br /> Acid/Base Potential 56 t/kt Sobek Modifie 02/04/11 16:01/eli-b <br /> The acd-base potential was Calculated from the non•sultate sulfur% <br /> SULFUR FORMS <br /> Sulfur,Total 0.82 °I 0.01 Sobek Modifie 02/04/11 16:01/ell-b <br /> Sulfur,Hot Water Extractable 0.68 % 0.01 Sobek Moditie 02/04/11 16:01/eli-b <br /> Sulfur.HCI Extractable 0.04 % 0.01 Sobek Modifie 02/04/11 16:01/ell-b <br /> Sulfur,HNO3 Extractable 0.10 % 0.01 Sobek Moditie 02104/11 16:01/ek-b <br /> Sulfur,Residual ND % 0.01 Sobek Modifie 02/04/11 16:01 !eli-b <br /> MAJOR IONS-SPLP EXTRACTABLE <br /> Alkalinity,Total as CaCO3 38 mg/L 5 A2320 B 02/04/11 1721/Ir <br /> Chloride ND mg/L 1 E300.0 02/08/11 21:05/Ill <br /> Fluoride 0.2 mg/L 0.1 A4500-F C 02/07/11 12:09/jba <br /> Nitrogen,Nitrate+Nitrito as Nills <br /> 02 mg/L 0.1 E353.2 02/04111 14;06!dC <br /> Sulfate 992 mg/L D 4 E300.0 02/03/11 18:04/III <br /> NON-METALS <br /> Oxidation•Reduction Potential 368 mV A2580 B 02,02/11 0927/Ibb <br /> PHYSICAL CHARACTERISTICS <br /> Filterable No SW 1311 02/04/11 09:38/dci <br /> Moisture 3.6 % 0.1 02974 01127/11 14:45/Ibb <br /> PHYSICAL PROPERTIES-SPLP EXTRACTABLE <br /> Oxygen.Dissolved 1 25 mgiL 0 10 A4500.0 G 02/02/11 09:02/dkh <br /> Conductivity @ 25 C 1610 umhoslcm 1 A2510 B 02/02/11 14:39!Ir <br /> pH 9.72 s.0 0 01 A4500-H B 02/02/11 14:39/Ir <br /> Solids.Total Dissolved TDS @ 180 C 1540 mg/L 10 A2540 C 02/02/11 15:22/Imo <br /> METALS-TOTAL <br /> Aluminum 5730 mg/kg-dry 0.5 SW6020 01/28/11 19:16/sml <br /> Antimony 1.2 mg/kg-dry 0 0.9 SW6010B 02/15/11 23:02/cp <br /> Arsenic 25.8 mg/kg-dry 0.5 SW6020 01/28/11 19:16/sml <br /> Barium 130 mg/kg-dry 0.5 SW6020 01/28/11 19:18/sml <br /> Beryllium ND mg/kg-dry 0.5 SW6020 01/28/11 19:16 ism' <br /> Boron ND mg/kg-dry 5.0 SW6020 01/28/11 19:16/sml <br /> Cadmium 11.2 mg/kg-dry 0.5 SW6020 01/28/11 19:16/sml <br /> Chromium 3.0 mg/kg-dry 0.5 SW6020 01/28/11 19:16/sml <br /> Cobalt 8.0 mg%kg-dry 0.5 SW6020 01/28/11 19:16/sml <br /> Copper 9.3 mg/kg-dry D 1 SW6020 01/28/11 19:16/sml <br /> Iron 3840 mgikg-dry 0 2.9 SW6020 01/28/11 19:16/smt <br /> Lead 38.3 mg/kg-dry 0.5 SW6020 01/28/11 19:16/sml <br /> IleReport RL-Analyte reporting limit MCI.-Maximum contaminant level. <br /> Definitions: OCL-Quality control limit. ND-Not detected at the reporting limit. <br /> D- RL increased due to sample matrix. <br /> Page 3 Of 31 <br />