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[ r r r [ r [ r r [ Table 2: Well Destruction Grout Calculations Marci(Loomis) 2969 Loomis Stockton,CA Project No.770.2 Well Filter Filter Total Volume Total Boring Casing Casing Casing Boring Drill Out Boring Total Volume of Well/Boring Casing Casing Pack Pack Casing plus Actual Volume (ft) (in) Number Depth Diameter Diameter Type (M) (fes) (ga(gal)*Area Volume Volume Area Length Volume Volume Filter Pack Drill Out Used(gal) (in) (ft2) (ft) ( al)** (M) ( al) ( al) MW-1 Drill Out 89 10 4 PVC 0.087 7.743 57.9 0.55 17.0 3.7 49.0 - 366.1 MW-2 Grout 86 8 2 PVC 0.022 1.892 14.2 0.35 19.0 2.7 30.1 16.8 - MW-3 Grout 84 8 2 PVC 0.022 1.848 13.8 0.35 18.0 2.5 29.4 16.3 - MW-4 Drill Out • 81 8 2 PVC 0.022 1.782 13.3 0.35 23.0 3.2 28.4 - 212.1 MW-5 Drill Out 70 8 2 PVC 0.022 1.540 11.5 0.35 17.0 2.4 24.5 183.3 MW-6 Drill Out 70 8 2 PVC 0.022 1.540 11.5 0.35 17.0 2.4 24.5 183.3 MW-7 Drill Out 70 8 1 2 PVC 0.022 1 1.540 11.5 1 0.35 17.0 2.4 24.5 - 183.3 MW-8 _ _Grout 70 8 2 PVC 0.022 1.540 11.5 0.35 17.0 2.4 24.5 13.9 - MW-104 Grout 95 8 2 PVC 0.022 2.090 15.6 0.35 7.0 1.0 33.3 16.6 MW-105 Grout 95 8 2 PVC 0.022 2.090 15.6 0.35 7.5 1.1 33.3 16.7 MW-106 Grout 95 8 2 PVC 0.022 2.090 15.6 0.35 7.0 1.0 33.3 16.6 - IW-1 Drill Out 46 8 2 PVC 0.022 1.012 7.6 0.35 4.0 0.6 16.1 - 120.4 IW-101 Drill Out 57 8 2 PVC 0.022 1 1.254 9.4 0.35 3.0 0.4 20.0 149.2 EW-1 Drill Out 45 8 2 PVC 0.022 0.990 7.4 0.35 4.0 0.6 15.8 117.8 EW-2 Drill Out 45 8 2 PVC 0.022 0.990 7.4 0.35 4.0 0.6 15.8 117.8 EW-3 Drill Out 45 8 2 PVC 0.022 0.990 7.4 0.35 4.0 0.6 15.8 117.8 EW-101 Drill Out 58 8 2 PVC 0.022 1.276 9.5 0.35 4.0 0.6 20.3 151.8 EW-102 Drill Out 58 8 2 PVC 0.022 1.276 9.5 0.35 4.0 0.6 20.3 151.8 EW-103 Drill Out 58 8 2 PVC 0.022 1.276 9.5 0.35 4.0 0.6 20.3 151.8 AS-1 Drill Out 73 8 1&2 PVC 0.022 1.606 12.0 0.35 5.0 0.7 25.6 191.1 EW-4 Drill Out 70 10 4 PVC 0.087 6.047 45.2 0.55 27.0 5.9 38.2 285.9 EW-5 Drill Out 55 10 4 PVC 0.087 4.785 35.8 0.55 27.0 5.9 30.3 - 226.3 13W-6 Grout 35 ]0 4 PVC 0.087 3.045 22.8 0.55 22.0 4.8 19.3 27.6 *=casing area(square feet)x casing length(feet)x 7.48 gal/ft3 **=borehole area(square feet)x filter pack length(feet)x 7.48 gaVft3 x 0.4(assumed porosity 40%)