Table 5.21
Test statistics of inorganic components in groundwater samples of Luanshiwan Landfill (mg/L)
Inorganic
components
pH
Total
hardness
TDS
F
−
SO
4
2−
Cl
−
NH
4
+
NO
3
−
NO
2
−
CN
−
K
+
Ca
2
+
Mg
2
+
Na
+
Permanganate
index
Detection rate
(%)
100.00 100.00
100.00
100.00 44.44
66.67
44.44
77.78
44.44
11.11
100.00 100.00 100.00 100.00 100.00
Excess rate (%) 55.56
0.00
11.11
0.00
0.00
11.11
22.22
0.00
33.00
0.00
None
None
None
11.11
55.56
Standard value
6.5–
8.5
450.00
1000.00 1.00
250.00 250.00 0.50
20.00
1.00
0.05
None
None
None
200.00 3.00
Maximum
excess multiple
1.10
None
1.29
None
None
1.86
116.80 None
None
None
None
None
None
1.42
20.60
Inorganic
components
TN
TP
Be
Al
Cr
Ni
Cu
Zn
Cd
Ba
Pb
Fe
Mn
Cr
6
+
Se
As
Detection rate
(%)
88.89
66.67
55.56
100.00 100.00 100.00 100.00 100.00 44.44 100.00 100.00 100.00 100.00 66.67
11.11
55.56
Excess rate (%) 66.67
33.33
0.00
22.22
None
11.11
0.00
0.00
0.00
11.11
0.00
22.22
44.44
0.00
0.00
0.00
Standard value
None
None
0.002
0.20
None
0.02
1.00
1.00
0.005 0.70
0.01
0.30
0.10
0.05
0.01
0.01
Maximum
excess multiple
None
None
None
1.45
None
1.63
None
None
None 1.35
None
3.73
8.80
None
None
None
Note
pH is dimensionless, and others is expressed by mg/L.
“<” means the component is not detected and
“none” means no standard value and no excess. Total hardness is calculated in terms of
CaCO
3
128
5 Application Cases