Table 6.18
Alkalinity expressed as bicarbonate concentration (mg L
À1
) and chloride concentration (mg L
À1
) in the sampled water at two levels (H and B) of
each control piezometer of line 1
Date
Element
DCI1H
DCI1B
DCC1.1H
DCC1.1B
DCC1.2H
DCC1.2B
DCC1.3H
DCC1.3B
Aug 18, 2014
Alkalinity
501.9
495.6
495.6
494.1
487.5
475.8
467.7
478.1
Chloride
77.7
87
81.7
77
81.3
70
64.3
67.3
Jun 2, 2015
Alkalinity
–
–
556.5
571.1
512.5
519.9
458.8
463.7
Chloride
–
–
106
142
82
88
70
108
Jun 22, 2015
Alkalinity
–
–
512.5
537
495.5
500.3
461.3
461.3
Chloride
–
–
2500
500
276
270
76
66
Jul 8, 2015
Alkalinity
–
–
>2000
>2000
540.9
543.8
457.9
451.5
Chloride
–
–
500
500
104
102
70
80
358
R. Rodrigues et al.