2020-06-24_HYDROLOGY - M1977285 (3)

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GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407-(843)556-8171 -www.gel.com QC Summary Workorder: 344616 Page 2 of 4 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Rad Gas Flow Batch 1373541 QC1203052516 LCS Gross Radium Alpha 555 512 pCi/L 92.2 (75%-125%) CXP3 03/31/14 15:56 Uncertainty +/-5.09 QC1203052512 MB Gross Radium Alpha U 0.250 pCi/L 03/31/14 15:56 Uncertainty +/-0.155 QC1203052514 344755008 MS Gross Radium Alpha 1120 U 0.368 1080 pCi/L 96.5 (75%-125%) 03/31/14 17:40 Uncertainty +/-0.217 +/-103 QC1203052515 344755008 MSD Gross Radium Alpha 1120 U 0.368 1010 pCi/L 6.41 90.5 (0%-20%) 03/31/14 15:56 Uncertainty +/-0.217 +/-10.0 Batch 1374060 QC1203053775 344616004 DUP Radium-228 U -0.286 U -0.0658 pCi/L N/A N/A CXP3 03/28/14 11:13 Uncertainty +/-0.107 +/-0.133 QC1203053777 LCS Radium-228 17.5 15.4 pCi/L 87.6 (80%-120%) 03/28/14 11:13 Uncertainty +/-0.557 QC1203053774 MB Radium-228 U -0.321 pCi/L 03/28/14 11:13 Uncertainty +/-0.204 QC1203053776 344616004 MS Radium-228 58.7 U -0.286 52.8 pCi/L 90 (70%-130%) 03/28/14 11:13 Uncertainty +/-0.107 +/-2.25 Batch 1375019 QC1203055934 344616002 DUP Alpha 30.6 46.5 pCi/L 41.2 (0%- 100%) DXG3 04/02/14 15:16 Uncertainty +/-5.63 +/-532 Beta. 75.5 63.3 pCi/L 17.5 (0%-20%) Uncertainty +/-4.11 +/-3.96 QC1203055937 LCS Alpha 82.3 77.0 pCi/L 93.6 (80%-120%) 04/02/1414:02 Uncertainty +/-4.02 Beta 303 318 pCi/L 105 (80%-120%) Uncertainty +/-6.00 QC1203055933 MB Alpha U -1.12 pCi/L 04/02/1415:16 Uncertainty +/-0.221 Beta U -1.5 pCi/L Uncertainty +/-0.462 QC1203055935 344616002 MS Alpha 494 30.6 645 pCi/L 124 (70%-130%) 04/02/1414:02 Uncertainty +/-5.63 +/-45.7 Beta 1820 75.5 2230 pCi/L 119 (70%-130%) Uncertainty +/-4.11 +/-41.5 QC1203055936 344616002 MSD Page 92 of 94