BIR at Limestone Site (OGUGU) and Its Environs

Sample Area

Location GPS Readings

BIR (mR/hr)

EDR (mSv/yr)

Agbani-Awgu Rd

N06^˚13'16.9" E007^˚29'13.6"

0.015

1.26

Ogugu Site

N06^˚09'56.7" E007^˚29'07.3"

0.017

1.43

Ogugu Mrkt

N06^˚09'59" E007^˚29'11"

0.016

1.35

Ogbaku

N06^˚12'39" E007^˚30'10"

0.017

1.43

Mean Value

0.016 ± 0.005

1.37 ± 0.04

BIR at Clay Site (Enugu-Ekulu) and Its Environs

Prada Company

N06^˚27'59.1" E007^˚27'17.6"

0.017

1.43

Clay Site

N06^˚09'56.7" E007^˚29'07.3"

0.028

2.35

Iva Valley

N06^˚27'54.5" E007^˚27'21.7"

0.016

1.35

Awkunanaw

N06^˚27'18" E007^˚36'22"

0.017

1.43

Mean Level

0.020 ± 0.003

1.64 ± 0.02

BIR at Bitumen Site (Awgu) and Its Environs

Uguweme

N06^˚01'46" E007^˚27'21"

0.019

1.60

Mining Site

N06^˚05'27.5" E007^˚26'34.5"

0.020

1.68

Mgbidi

N06^˚05'14.6" E007^˚28'30.5"

0.018

1.51

Ezeama-Awgu

N06^˚05'18.7" E007^˚26'38.3"

0.017

1.43

Mean Value

0.019 ± 0.007

1.56 ± 0.05

BIR at Ironstone Site (Awkuke) and Its Environs

Gariki

N06^˚19'46" E007^˚27'21"

0.019

1.60

Mining Site

N06^˚22'45.5" E007^˚27'52.4"

0.022

1.85

Edozie

N06^˚25'32.1" E007^˚29'23.2"

0.020

1.68

Awkuke Park

N06^˚23'18.7" E007^˚26'38.3"

0.017

1.43

Mean Value

0.020 ± 0.006

1.64 ± 0.09

BIR at Silica Site (Ama-echi) and Its Environs

Ugwu-aji

N06^˚27'18.2" E007^˚25'91.5"

0.013

1.09

Mining Site

N06^˚28'08.5" E007^˚27'03.1"

0.022

1.85

Okiti

N06^˚26'35.8" E007^˚28'30.5"

0.023

1.93

Agayiba Street

N06^˚24'56.2" E007^˚30'32.3"

0.017

1.43

Mean Value

0.019 ± 0.002

1.58 ± 0.19

BIR at Kaoline Site (Uzo Uwani) and Its Environs

Uvuru

N06^˚45'00.0" E007^˚12'58"

0.015

1.26

Mining Site

N06^˚45'44.4" E007^˚16'17.0"

0.016

1.18

Nkpologwu

N06^˚41'17.1" E007^˚29'23.2"

0.012

1.00

Uvuru Mrkt.

N06^˚43'16.5" E007^˚26'38.3"

0.014

1.18

Mean Value

0.014 ± 0.008

1.16 ± 0.05

BIR at Gypsum Site (Enugu/N) and Its Environs

Holy/G Park

N06^˚31'37" E007^˚30'32"

0.018

1.51

Mining Site

N06^˚31'05.5" E007^˚26'34.5"

0.021

1.77

Ekulu

N06^˚28'13.6" E007^˚28'30.5"

0.012

1.00

Sub-Way

N06^˚30'12.7" E007^˚26'38.3"

0.015

1.18

Mean Value

0.017 ± 0.002

1.37 ± 0.02

BIR at Glass-Sand Site (Nsude) and Its Environs

Nsude Junction

N06^˚23'22" E007^˚29'56"

0.013

1.09

Mining Site

N06^˚24'34.5" E007^˚28'52.4"

0.018

1.51

Market

N06^˚25'59.1" E007^˚23'48.2"

0.014

1.18

Nsude Park

N06^˚23'22.0" E007^˚26'18.4"

0.016

1.35

Mean Value

0.015 ± 0.001

1.28 ± 0.09

OVERALL AVERAGE

0.018 ± 0.004

1.51 ± 0.04