S/N

SAMPLED AREA

GEOGRAPHICAL LOCATION

RADIATION LEVEL mRh-1

AVE. RAD VALUE
mRh-1

EQ. DOSE
mSvy-1

RAD 50

RAD 100

1

Manifold

NO5’ 38.624’
E006 04.321’

0.017

0.025

0.021±0.008

1.8±0.7

2.

Flow station Gate

NO5’ 38.641’
E006’ 04’224’

0.018

0.020

0.019±0.009

1.06±0.8

3

Natural Gas compressor (NGC) station

NO5’ 38.638’
E006’ 04.215’

0.018

0.022

0.021±0.010

1.7±0.8

4

L & S Tangle flow crude pipe

N05’ 38.601’
E006 04.226’

0.016

0.014

0.015±0.007

1.3±0.6

5

Control valve (crude)

N05’ 39.012’
E006. 04.171

0.018

0.020

0.019±0.007

1.6±0.6

6

Flare knockout drum

N05’ 39.016’
E006 0466’

0.017

0.020

0.019± 0.006

1.6±0.5

7

Flare stock site

N05’ 39.108’
E005 00.801’

0.017

0.015

0.016±0.006

1.4±0.5

8

Well 13, 34 & 35

N05” 38.844’
E006” 04.030’

0.020

0.023

0.022±0.011

1.8±0.9

9

Flare control valve

N05” 39.112’
E006 04.192’

0.016

0.014

0.015±0.008

1.3±0.7

10

Erhioke Community

N05 38.602’
E006” 04.227’

0.014

0.013

0.014±0.004

1.2±0.3

MEAN FIELD LEVEL

0.018±0.007

1.5±0.6

Table 5: Kokori Oil and Gas Field Background Radiation Level.