The Level of Heavy Metal Contamination in Selected Vegetables and Animal Feed Grasses Grown in Wastewater Irrigated Area, around Asmara, Eritrea

Table 7

Component matrixes.

	Component matrix			Rotated component matrix
Element	PC1	PC2	PC3	PC1	PC2	PC3
Al	0.95	0.00	0.03	0.97	−0.10	−0.15
Cd	0.17	0.19	0.34	0.34	−0.56	0.52
Co	0.69	0.17	0.00	0.87	0.31	0.14
Cr	0.86	0.04	0.07	0.95	0.14	−0.22
Cu	0.02	0.79	0.02	−0.04	0.91	−0.01
Fe	0.98	0.00	0.00	0.99	−0.08	−0.02
Mn	0.00	0.87	0.00	0.04	0.91	0.21
Mo	0.14	0.10	0.57	0.36	−0.24	−0.79
Pb	0.67	0.02	0.13	0.78	−0.29	0.35
V	0.98	0.00	0.00	0.98	−0.15	0.04
Zn	0.05	0.15	0.16	0.24	0.30	0.46