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Home My WebLink About1812_DukeMarshall_ILF_2025Q2GWCR_AppD_FID_20250812Well ID Analyte Number of Readings Is Trend Analysis Applicable? Two-Sided P Value S Value Trend Conclusion CLF-402 Groundwater Elevation 57 Yes 0 -1464 Statistically significant decreasing trend CLF21-10 Groundwater Elevation 54 Yes 1.1924355725057E-08 -765 Statistically significant decreasing trend CLF21-11 Groundwater Elevation 54 Yes 0.0551765561103821 -258 Statistically significant decreasing trend CLF21-12 Groundwater Elevation 53 Yes 0.153591230511665 - Stable, no significant trend CLF21-13/R Groundwater Elevation 51 Yes 2.22122680186944E-15 -977 Statistically significant decreasing trend CLF21-14/R Groundwater Elevation 53 Yes 0.00220753718167543 -400 Statistically significant decreasing trend CLF21-15 Groundwater Elevation 50 Yes 0.00124066497664899 -387 Statistically significant decreasing trend CLF22-306 Groundwater Elevation 36 Yes 1.14162151954034E-13 -546 Statistically significant decreasing trend CLF22-307 Groundwater Elevation 36 Yes 9.80516431936529E-11 -476 Statistically significant decreasing trend CLF23-408 Groundwater Elevation 31 Yes 1.62572253293962E-13 -435 Statistically significant decreasing trend CLF24-501 Groundwater Elevation 11 Yes 0.0127313630655408 -33 Statistically significant decreasing trend CLF24-502 Groundwater Elevation 10 Yes 1 - Stable, no significant trend CLF24-503 Groundwater Elevation 11 Yes 0.310044050216675 - Stable, no significant trend CLF24-504 Groundwater Elevation 11 Yes 0.436274886131287 - Stable, no significant trend CLF24-505 Groundwater Elevation 11 Yes 0.584647953510284 - Stable, no significant trend GWA-4D Groundwater Elevation 51 Yes 0.000110210356069729 -477 Statistically significant decreasing trend GWA-4S Groundwater Elevation 51 Yes 7.35734211048111E-05 -489 Statistically significant decreasing trend ILF-2D Groundwater Elevation 52 Yes 1.97253741118786E-11 -851 Statistically significant decreasing trend ILF-2S Groundwater Elevation 52 Yes 2.14473014001348E-12 -891 Statistically significant decreasing trend MW-4 Groundwater Elevation 50 Yes 4.17246923234416E-07 -606 Statistically significant decreasing trend MW-4D Groundwater Elevation 52 Yes 2.6805007102837E-09 -755 Statistically significant decreasing trend Notes: Prepared by: RSB Checked by: TWL - - not applicable To be analyzed for trends, there must be at least 4 readings. A P value less than 0.1 indicates a statistically significant trend. A negative S value indicates a decreasing trend. A positive S value indicates an increasing trend. Well ID Analyte Number of Readings Is Trend Analysis Applicable? Two-Sided P Value S Value Trend Conclusion CLF-402 Groundwater Elevation 4 Yes 0.0894293710589409 -6 Statistically significant decreasing trend CLF21-10 Groundwater Elevation 4 Yes 1 - Stable, no significant trend CLF21-11 Groundwater Elevation 4 Yes 0.308179497718811 - Stable, no significant trend CLF21-12 Groundwater Elevation 4 Yes 1 - Stable, no significant trend CLF21-13/R Groundwater Elevation 4 Yes 0.308179497718811 - Stable, no significant trend CLF21-14/R Groundwater Elevation 4 Yes 0.0894293710589409 -6 Statistically significant decreasing trend CLF21-15 Groundwater Elevation 4 Yes 0.0894293710589409 -6 Statistically significant decreasing trend CLF22-306 Groundwater Elevation 4 Yes 0.308179497718811 - Stable, no significant trend CLF22-307 Groundwater Elevation 4 Yes 0.308179497718811 - Stable, no significant trend CLF23-408 Groundwater Elevation 4 Yes 0.0894293785095215 6 Statistically significant increasing trend CLF24-501 Groundwater Elevation 4 Yes 0.0894293785095215 6 Statistically significant increasing trend CLF24-502 Groundwater Elevation 4 Yes 0.308179497718811 - Stable, no significant trend CLF24-503 Groundwater Elevation 4 Yes 0.734095215797424 - Stable, no significant trend CLF24-504 Groundwater Elevation 4 Yes 0.734095215797424 - Stable, no significant trend CLF24-505 Groundwater Elevation 4 Yes 1 - Stable, no significant trend GWA-4D Groundwater Elevation 4 Yes 0.0894293710589409 -6 Statistically significant decreasing trend GWA-4S Groundwater Elevation 4 Yes 0.734095215797424 - Stable, no significant trend ILF-2D Groundwater Elevation 4 Yes 0.734095215797424 - Stable, no significant trend ILF-2S Groundwater Elevation 4 Yes 0.308179497718811 - Stable, no significant trend MW-4 Groundwater Elevation 4 Yes 0.308179497718811 - Stable, no significant trend MW-4D Groundwater Elevation 4 Yes 0.734095215797424 - Stable, no significant trend Notes: Prepared by: RSB Checked by: TWL - - not applicable To be analyzed for trends, there must be at least 4 readings. A P value less than 0.1 indicates a statistically significant trend. A negative S value indicates a decreasing trend. A positive S value indicates an increasing trend.