Heavy Metal Contamination of Soils around a Hospital Waste Incinerator Bottom Ash Dumps Site

Table 1

Categorization of soil contamination.

values	class	Designation of soil quality
5	6	Extremely contaminated
4-5	5	Strongly to extremely contaminated
3-4	4	Strongly contaminated
2-3	3	Moderately to strongly contaminated
1-2	2	Moderately contaminated
0-1		Uncontaminated to moderately contaminated
0	0	Uncontaminated

Source: Müller, 1969 [11].