Assessment of Some Heavy Metals Pollution and Bioavailability in Roadside Soil of Alexandria-Marsa Matruh Highway, Egypt

Table 3

Summary statistics of , CF, PLI, , and PERI for the determined elements.

Parameter				CF			PLI				PERI
	Pb	Cd	Zn	Pb	Cd	Zn		Pb	Cd	Zn
Mean	0.33	1.5		1.91	4.3	0.7	1.7	9.6	128.3	0.7	138.5
Median	0.30	1.5		1.85	4.3	0.7	1.7	9.3	127.4	0.7	137.1
Standard deviation	0.23	0.4	0.4	0.31	1	0.2	0.2	1.6	29.9	0.2	30.9
Minimum				1.46	2.4	0.4	1.3	7.3	70.8	0.4	78.9
Maximum	0.75	2		2.53	5.9	1.1	2.3	12.7	178.3	1.0	191.2
1st quartile	0.14	1.3		1.65	3.7	0.5	1.6	8.2	110.4	0.5	119.5
3rd quartile	0.49	1.8		2.11	5.1	0.8	1.9	10.5	154.2	0.8	166.1