Laserfiche WebLink
Table 3-6 Fluoride Attenuation Data for Salazar Ranch Soils Using West Pit Ground Water (Well BF-511). 1 <br /> <br />Location Depth Soil Extract <br />Concentration Fluoride Removed <br /> (ft) (mg/L) (mg F/kg soil) (kg F/ha-ft) (lbs F/acre-ft) <br />Inside North 0-1 0.79 4.8 21.1 19.2 <br />Irrigation Circle 1-2 1.0 4.4 19.4 17.6 <br />Inside South 0-1 0.89 4.6 20.2 18.4 <br />Irrigation Circle 1-2 0.91 4.6 20.2 18.4 <br />Outside North 0-1 0.49 5.4 23.8 21.6 <br />Irrigation Circle 1-2 0.81 4.8 21.1 19.2 <br />Outside South 0-1 0.40 5.6 24.6 22.4 <br />Irrigation Circle 1-2 1.1 4.2 18.5 16.8 <br />Mean Values -------- 0.80 ±0.24 I L 4.8 21.1 19.2 <br />1 Initial fluoride = 3.2 mg/L (Table 3-1). <br />Example Calculation for North Irrigation Circle (0-1 ft): <br />3.2 mg F (initial) 0.79 mg F (final) 2.4 mg F removed <br />L solution L solution <br />2.4 mg F removed <br />L solution <br />L solution <br />0.01 L solution 1000 g soil <br />x x = <br />5 g soil kg soil <br />Volume Conversion Factors: <br />1 acre-ft = (acre-furrow slice) x 2 <br />1 acre-furrow slice (6 inches) = 2 x 106 pounds <br />4.8 mg F removed <br />kg soil <br />1 hectare-ft = (hectare-furrow slice) x 2 <br />1 hectare-furrow slice (15 cm) = 2.2 x 106 kg <br />P.IProjects1212-Nmmont(Sanlnis)ISmmLnisT,am-Shalom_PmchISoilsLSala r_Characien-h-nJbwldoc