S/N

SAMPLED AREA

GEOGRAPHICAL LOCATION

RADIATION LEVEL    mRh-1

AVE. RAD. VALUE              mRh-1

EQ. DOSE
mSvy-1

RAD 50

RAD 100

1

Flow station entrance

NO5 30.850’
E005 56.233’

0.021

0.019

0.020±0.008

1.7±0.7

2.

Control station (UNC)

NO5 30.856’
E005 56.229’

0.019

0.015

0.017±0.006

1.4±0.5

3

L & S tango crude pipe

NO5 30.860’
E005 56.210’

0.018

0.018

0.018±0.007

1.5±0.6

4

Crude and Gas control valve

N05  30.864’
E005 56.117

0.015

0.017

0.016±0.005

1.3±0.4

5

UPS Manifold

N05 30.750’
E005 56.272

0.017

0.020

0.019±0.007

1.6±0.6

6

Flare site

N05 30.984’
E005 56.271’

0.016

0.04

0.015± 0.005

1.3±0.4

7

Ughelli East Buster station

N05 31.004’
E005  55.910’

0.018

0.018

0.018±0.004

1.5±0.3

8

Well 5

N05 30.783’
E005 56.310

0.016

0.014

0.015±0.007

1.3±0.6

9

NGC station

N05 30.860’
E005 56.199’

0.019

0.020

0.019±0.008

1.6±0.7

 

Eruemukohwara community

N05 31.598’
E005 56.409’

0.011

0.014

0.012±0.004

1.1±0.3

 

  MEAN FIELD LEVEL

 

 

0.017±0.007

1.5±0.6

Table 3: Ughelli East Oil and Gas Field Background Radiation Level.