An Evaluation of Bera Lake (Malaysia) Sediment Contamination Using Sediment Quality Guidelines

Table 2

Classification of Geoaccumulation index [21].

Igeo range	Classification of pollution
0	Unpolluted
0-1	Unpolluted to moderately polluted
1-2	Moderately polluted
2-3	Moderately to strongly polluted
3-4	Strongly polluted
4-5	Strong to very strongly polluted
>5	Very strongly polluted