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 and compressor station gate

NO5’ 32.888’
E006 00.898’

0.017

0.020

0.019±0.008

1.6±0.7

2.

Manifold

NO5’ 3 2.871’
E006’ 00.892’

0.030

0.028

0.029±0.009

2.4±0.7

3

Flare control valve

NO5’ 32.899’
E006’ 00.808’

0.018

0.020

0.019±0.007

1.6±0.6

4

L & S Tango flow crude pipe

N05’ 32.903’
E005 56.117

0.014

0.015

0.015±0.007

1.2±0.5

5

Natural gas compressor (NGC) station

N05’ 32.652’
E006. 01.138

0.021

0.019

0.021±0.008

1.7±0.7

6

Flare knockout vessel

N05’ 32.801’
E006 00.776’

0.016

0.015

0.016± 0.006

1.3±0.5

7

Flare site

N05 32.906’
E005 00.801’

0.023

0.020

0.022±0.009

1.8±0.8

8

Well 27

N05” 32.863’
E005 00.982

0.018

0.017

0.018±0.008

1.5±0.6

9

Well 13

N05” 32.783’
E005 01.035’

0.022

0.025

0.024±0.008

2.0±0.7

10

Emeragha community

N05 32.582’
E005 01.530’

0.019

0.018

0.019±0.006

1.6±0.5

MEAN FIELD LEVEL

0.020±0.008

1.7±0.6

Table 4: Afiesere Oil and Gas Field Background Radiation Level.