Inferred Industrial and Agricultural Activities Impact on Groundwater Quality of Skhira Coastal Phreatic Aquifer in Southeast of Tunisia (Mediterranean Region)

Table 9

Alkalinity and residual sodium carbonate (RSC) of selected groundwater samples.

Samples	Alkalinity (meq/L)	RSC (meq/L)
SK1	19.64	-47.94
SK2	18.88	-47.36
SK3	23.31	-56.58
SK4	27.77	-67.33
SK5	22.35	-61.15
SK6	8.42	-44.72
SK7	28.05	-68.53
SK8	26.51	-72.34
SK9	15.78	-64.56
SK10	18.57	-76.38
SK11	15.25	-77.64
SK12	15.13	-77.96
SK13	10.84	-81.69
SK14	5.19	-68.97
SK15	18.78	-81.80
SK16	17.41	-69.64
SK17	8.33	-93.88
SK18	63.35	-127.96
SK19	34.27	-120.86
SK20	10.16	-122.87