Page 105 - Yucaipa Sustainable Groundwater Management Agency - Yucaipa SGMA
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Determination of r Value for
techniques to fit data to a log decay
Plot total solids deposited, mg/ft 2
percolation (ft 3 /ft 2 *day, Q)
Use nonlinear regression
(L) vs. observed column
relationship:
Laboratory Columns
Q = Q o *(e (-r*solids loaded, mg/ft2) ) Determine averaged value for r from replicated columns To predict percolation kinetics, use laboratory-derived value for r and integrate L over 0.1 day increments (using given TSS values) to express percolation vs. time Yucaipa Sustainable Groundwater Management Agency - January 23, 2019 - Page 74 of 137
from 3” columns percolating well-
derived SAR water containing KB
Obtain flow (ml/min) at intervals
chip fines at a desired TSS load
(mg/L) Determine instantaneous percolation rate (ft 3 /ft 2 *day) using flow data and column geometry Determine total water percolated (ft 3 ) and solids deposited in column (mg/ft 2 ) as a function of time by calculating the total water percolated at each time point and multiplying by solids load (mg/ft 2 )
