Table 2.

Statistical distribution of concentration of PTMs in soil samples.

Statistics	pH	EC (µS cm−1)	As (mg kg−1)	Pb (mg kg−1)	Cr (mg kg−1)	Cd (mg kg−1)
Min	7	46.8	8.97	13.31	71.32	2.05
Max	8.6	64.3	18.23	23.63	91.73	4.72
Mean	7.67	58.35	13.23	19.91	81.77	3.25
Median	7.55	58.45	14.21	20.4	83.52	3.12
SD	0.53	5.16	2.82	3.21	6.74	0.78
CV	0.069	0.088	4.69	6.2	12.13	4.17
WA	–	–	6.83	27.00	59.50	0.41
MAC	–	–	15–20	20–300	50–200	1–5
TAV	–	–	10–65	50–300	50–450	2–20

*WA world average, *TAV trigger action value, *MAC maximum allowable concentration in soil^48–50.