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TABLE 4 <br /> WELL CONSTRUCTION DETAILS <br /> Former Mobil Service Station 99ACA <br /> 25355 North Highway 99 <br /> Acampo,California <br /> Well Well TOC Borehole Total Depth Well Casing Well Casing Screened Slot Filter Pack Filter `f <br /> ID Installation Elevation Diameter of Boring Depth Diameter Material Interval Size Interval Pack <br /> Date (feet) (inches) (feet bgs) (feet bgs) (inches) (feet bgs) (inches) (feet.bgs) Material . <br /> MW 1 02/26/99 58.71 8 89 89 2 PVC 69-89 0.020 69-89 #2112 Sand + <br /> MW2 02/26/99 58.66 8 89 89 2 PVC 69-89 0.020 69-89 #2112 Sand " <br /> 42- MW3 03/05/99 58.77 8 89 89 2 PVC 69-89 0.020 69-89 #2112 Sand <br /> 4.. <br /> � -'�� MW4 06/09/05 58.51 8.25 93 93 2 PVC 73-93 0.020 70-93 #3 Sand <br /> MW5 06/10/05 61.11 8.25 95 95 2 PVC 73-95 0.020 73-95 #3 Sand <br /> 10/30/07 Temporary well destroyed immediately after installation. <br /> MW7 10/25/07 59.34 10 138 138 4 PVC 128-138 0.020 125.5-138 #3 Sand <br /> rG MW8 01/26/10 58.42 7 90 90 2 PVC 70-90 0.020 68-90 #3 Sand <br /> MW9 08/09/10 58.24 8.5 136 135 2 PVC 125-135 0.050 , 123-136 #3 Sand <br /> .MW 10 06/22/10 58.45 7 95 95 2 PVC 75795 0.020 70-95 #3 Sand <br /> SV.1 01/19/10 - 3.75 5 4.75 0.25 Stainless Steel 4.25-4.75 0.010 4-5 #2112 Sand <br /> q,r2 SV2 01/19/10 - 3.75 5 4.75 0.25 Stainless Steel 4.25-4.75 0.010 4-5 #2112 Sand <br /> SV3 01/21/10 - 3.75 4.5 4.25 0.25 Stainless Steel 3.754.25 0.010 3.5-4.5 #21112 Sand <br /> SV4 01/21/10 - 3.75 5 4.75 0.25 Stainless Steel 4.25-4.75 0.010 4-5 #2/12 Sand <br /> SV5 01/19/10 - 3.75 5' 4.75 0.25 Stainless Steel 4.25-4.75 0.010 4-5 #2112 Sand <br /> Notes: <br /> TOC = Top of well casing elevation;datum is mean sea level. <br /> PVC = PoWnyl chloride. <br /> feet bgs = feet below ground surface. <br /> - = Not measured. <br /> 4 <br /> Page 1 of 1 <br />