Location

Determined Pattern

As

Ba

Cr

Se

Comment

A

Ba < Se < Cr < As

1

4

2

3

North of Makkah

B

Se > Cr > As > Ba

2

1

3

4

East of Makkah

C

Cr > Se > As > Ba

2

1

4

3

North, North-west of Makkah

D

Ba > Cr > Se > As

1

4

3

2

North-East of Makkah

E

Cr > Se > As > Ba

2

1

4

3

South of Makkah

F

Se > Cr > Ba > As

1

2

3

4

City Center of Makkah

G

Ba > Cr > Se > As

1

4

3

2

Center-West of Makkah

BT

Cr > Se > As > Ba

2

1

4

3

West-South of Makkah

NZ (total 9 locations)

Cr > Se > Ba > As

1

2

4

3

East of Makkah

Mean prevalent rate :

1.4

2.2

3.3

3