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TABLE 1 <br /> MONITORING WELL CONSTRUCTION DETAILS <br /> Nutrien Ag Solutions, Inc <br /> 35100 S. Highway 33 <br /> Vernalis, California <br /> Top of Well Ground Screen Interval <br /> Well ID <br /> Installation Well Diameter Casing Elevation Well Depth (ft bgs) Screen Length <br /> Date (inches) Elevation (ft bgs) (ft) <br /> (ft amsl) ' (ft amsl) Top Bottom <br /> MW-1 11/19/1996 2 107.48 105.3 49 25.0 49.0 24 <br /> MW-2 11/21/1996 2 105.74 103.0 49 24.5 48.5 24 <br /> MW-3 11/18/1996 2 106.76 104.3 49 25.0 49.0 24 <br /> MW-3R 8/15/2020 2 106.55 103.6 70 50.0 70.0 20 <br /> MW-4 2/23/1998 2 106.43 104.5 45 20.5 44.5 24 <br /> MW-4R 8/5/2020 2 106.27 104.1 65 45.0 65.0 20 <br /> MW-5 2/26/1998 2 102.27 102.8 45 20.5 44.5 24 <br /> MW-5R 8/14/2020 2 102.66 103.1 70 50.0 70.0 20 <br /> MW-6 6/3/2002 0.75 -- -- 40 25.0 40.0 15 <br /> MW-6R 8/27/2007 2 103.84 101.4 45 24.5 44.5 20 <br /> MW-6RR 8/8/2020 2 104.99 101.8 65 45.0 65.0 20 <br /> MW-7 8/28/2007 2 105.23 102.8 45 24.5 45.0 21 <br /> MW-8 5/12/2015 2 101.10 101.6 50 30.0 50.0 20 <br /> MW-8R 8/13/2020 2 103.53 103.8 50 50.0 70.0 20 <br /> Notes: <br /> ft - Feet <br /> amsl -Above mean sea level <br /> bgs - Below ground surface <br /> - Elevations for all wells were surveyed on August 20, 2020 based on NAVD 88 datum <br /> -- - MW-6 was never surveyed; it was the inter-grid well for the in-situ bioremediation test plot <br /> MW-6 - MW-6 destroyed on August 27, 2007. MW-1 to MW-5, MW-6R, MW-7, and MW-8 destroyed in August 2020. <br />