Table 7.6a        Summary of Elevated Levels of Heavy Metal in Soil Samples at CBD Site

Borehole

Sampling Depth

(m below ground)

Parameter

Dutch “B” Level (mg/kg)

Concentration (mg/kg)

BH-5

4.20 to 4.62

Arsenic

30

50

BH-1

4 to 4.45

Arsenic

30

34*

BH-3

4 to 4.45

Arsenic

30

43

BH-4

4 to 4.45

Arsenic

30

51

BH-9

4 to 4.45

Arsenic

30

86

BH-9

5 to 5.45m

Tin

50

63