STEP DRAWDOWN TEST DATA PLOT = Drawdown data. X = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
BOREHOLE NO:NPM9S
DATE TESTED 28/3.2011 DISCHARGE RATES (Q) Q1 = 0.30 l/s Q2 = 0.70 l/s Q3 = 0.00 l/s Q4 = 0.00 l/s Q5 = 0.00 l/s Q6 = 0.00 l/s S.W.L = 3.60 m.b.g.l.CONSTANT DISCHARGE TEST DATA PLOT = Drawdown data. = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
PUMPED B.H. NO:NPM9S
DATE TESTED 29/3/2011 Q = 0.30 l/s. S.W.L = 3.95 m.b.g.l. T = 1.04 m²/daySpec. Cap. = 0.27 m3/day/m
0 1 2 3 4 5 6 7 8 9 10 11 12 1 10 100 1000 D ra w d o w n s (m) Time t (min.) R e s id u a l D ra w d o w n s ' ( m) . (T+t)/t 0 2 4 6 8 10 12 0.1 1 10 100 1000 10000 D ra w do w n s (m) Time ( t ) mins.
