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r Pace Analytical <br /> 1673 Terra Avenue Sheridan,WY 82801 ph:(307)672-8945 <br /> Sample Analysis Report <br /> CLIENT: Grand Island Resources Date Reported: 8/17/2022 <br /> PO Box 3395 Report ID: S2207412001 <br /> Nedadand,CO 80466 <br /> Work Order: S2207412 <br /> Collection Date: 7/20/2022 12:00:00 PM <br /> Project: Waste Rock Characterization Date Received: 7/26/2022 <br /> Lab ID: S2207412-001 Sampler: <br /> Client Sample ID: 607748 Matrix: Solid <br /> COC: web <br /> Analyses Result RL Qual Units Date Analyzedllnit Method <br /> General Parameters-Soil <br /> pH 7.9 0.1 s.u. 08/09/2022 08:46 NLG USDA 60-21a <br /> Acid Base Accounting <br /> Total Sulfur 0.20 0.01 % 08/01/2022 16:35 NLG EPA600/2-78-054 <br /> Neutralization Potential 30.8 t/1000t 08/03/2022 14:31 RAC EPA600/2-78-054 <br /> Hot Water Sulfur-LECO 0.23 0.01 % 08/17/2022 12:29 NLG EPA600/2-78-054 <br /> Hot Water Extract Sulfur(1-120 Sol.SO4) < 0.01 % 08/17/2022 15:10 CH EPA600/2-78-054 <br /> HCL Sulfur-LECO 0.13 0.01 % 08/17/2022 12:29 NLG EPA600/2-78-054 <br /> HCL Extract Sulfur(Sulfate Sulfur) 0.07 0.01 % 08/17/2022 15:10 CH EPA600/2-78-054 <br /> HNO3 Sulfur-LECO 0.08 0.01 % 08/17/2022 12:29 NLG EPA600/2-78-054 <br /> HNO3 Sulfur(Non-Ext.Sulfur) 0.08 0.01 % 08/17/2022 15:10 CH EPA60012-78-054 <br /> HNO3 Extract Sulfur(Pyritic Sulfur) 0.05 0.01 % 08/17/2022 15:10 CH EPA600/2-78-054 <br /> Potential Acid Generating Sulfur 0.05 0.01 % 08/17/2022 15:10 CH EPA600/2-78-054 <br /> Calculated AGP 1.57 0.31 t/1000t 08/17/2022 15:10 CH EPA600/2-78-054 <br /> Acid Neutralizing Potential 30.8 t/1000t 08/03/2022 14:31 RAC EPA600/2-78-054 <br /> Net Neutralizing Potential 29.3 t/1000t 08/17/2022 15:10 CH EPA600/2-78-054 <br /> ANP/AGP Ratio 19.7 08/17/2022 15:10 CH EPA600/2-78-054 <br /> These results apply only to the samples tested. <br /> Page 1 of 1 <br />