Laserfiche WebLink
TEST #2: MONITORING WELL MW-6 <br /> ' 1 = depth of well - depth to water = 68.50 ft - 5891 ft = 9.59 ft <br /> d = oft <br /> = 35% (porosity of filter pack is assumed to be same as aquifer) <br /> ' m = 50 ft assumed; no boring has penetrated more than 20 feet of aquifer) <br /> { g P 9 } <br /> ' rw, = 4" _ .333 ft <br /> r,2 _ (1 in)Z x (1-.35) + .35(4 in)' = .65 int + .35(16 int) = 5.6 int = .466 ft <br /> A = 2.3 from Figure 23.1 of Dawson and Istok (1991) <br /> ' B = .35 from Figure 23.1 of Dawson and Istok (1991) <br /> tL = .54 minutes from recovery curve MW-6 A <br /> or 1.2 minutes from recovery curve MW-6 B <br /> In(R/rv) = 1.1 + 2.13 + .35 x ln(50 ft - 9.59 ft) -1 <br /> ln(9.59 ft/.333 ft) (9.59 ft - 0 ft)/.333 ft -- <br /> ' 1_1 + 2.3 + .35(3.69) -1 = <br /> 3.36 28.79 1.327 + .1251` = 2.21 <br /> ' K = .466 ft' x 2.21 = 1,03 ft' = .0994 ft/min. = 143.2 ft/daX <br /> 2(9.59 ft - 0 ft).54 min 10.35 ft-min <br /> or K = .466 ftZ x 2.21 = 1.03 ftZ = .0447 ft/min = 64.4-ft/du <br /> 2(9.59 ft - 0 ft)1.2 min 23.01 ft-min <br /> 1 _ <br /> Cbabp�Audis Servk k Iia <br /> A@A PARa-25-94A.47 <br />