STEP DRAWDOWN TEST DATA PLOT = Drawdown data. X = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
BOREHOLE NO:NPM1D
DATE TESTED 11.04.13 DISCHARGE RATES (Q) Q1 = 0.52 l/s Q2 = 1.15 l/s Q3 = 2.01 l/s Q4 = 4.02 l/s Q5 = 0.00 l/s Q6 = 0.00 l/s S.W.L = 90.99 m.b.g.l.CONSTANT DISCHARGE TEST DATA PLOT = Drawdown data. = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
PUMPED B.H. NO:NPM1D
DATE TESTED 18/04/2011 Q = 2.72 l/s. S.W.L = 90.59 m.b.g.l. T = 6.08 m²/daySpec. Cap. = 0.09 m3/day/m
0 5 10 15 20 25 30 1 10 100 1000 10000 D ra w d o w n s (m) Time t (min.) R e s idua l D ra w do w n s ' ( m) . (T+t)/t 0 10 20 30 40 50 60 70 80 90 0.1 1 10 100 1000 D ra w do w n s (m) Time ( t ) mins.
