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C. P. Ononugbo

Publications (22)

Radioactivity Concentrations and Their Radiological Significance in Sediments of Some Communities in Andoni, Rivers State, Nigeria

C. P. Ononugbo & O. S. Amah · Asian Journal of Advanced Research and Reports · 2019

Quantification of naturally occurring radioactive materials in sediment provides information on geological characteristics, the possibility of petroleum and mineral exploration, radiation hazards to the dwelling populace and so on. The coastal sediment collected from the densely...

Open access Research Article 10.9734/ajarr/2019/v6i330151

Annual Effective Dose and Lifetime Cancer Risks Due to Natural Radioactivity in Hand –Dug Well Water of Tai Rivers State, Nigeria

C. P. Ononugbo & N. N. Ndodo · Journal of Scientific Research and Reports · 2019

The presence of radionuclide in water poses a number of health hazards, especially when the radionuclide is deposited in the human body through drinking water. The aim of this study was to evaluate natural radioactivity and its associated health risk in hand dug well water of Tai...

Open access Research Article 10.9734/jsrr/2019/v24i530164

Uptake and Distribution of Natural Radionuclides in Cassava Crops from Nigerian Government Farms

C. P. Ononugbo, O. Azikiwe & G. O. Avwiri · Journal of Scientific Research and Reports · 2019

Radioactivity distribution and transfer factor (TF) in plants are crucial parameters used to assess radioactive contamination in the environment, impact of soil radioactivity on agricultural crops and its risks to humans.  The root crop cassava (Manihot esculenta) provides about...

Open access Research Article 10.9734/jsrr/2019/v23i530130

Estimation of Naturl Radioactivity Levels in Some Food Spices Commonly Used in Nigeria and Its Radiological Risks

C. P. Ononugbo, G. O. Avwiri & S. O. Ikhuiwu · Journal of Scientific Research and Reports · 2017

A spice is a vegetable substance of indigenous or exotic origin, which has a hot pigment taste that could be used to enhance taste of food or add to food some necessary stimulant ingredients. Knowledge of radioactivity levels in human diet is of particular concern for the estimat...

Open access Research Article 10.9734/JSRR/2017/36833

Baseline Studies of Terrestrial Outdoor Gamma Dose Rates of Ten Selected Markets in Port Harcourt Metropolis

C. P. Ononugbo & S. Oduware · Archives of Current Research International · 2017

In-situ measurement of background ionizing radiation of 10 markets in Port Harcourt metropolis of Rivers State, Nigeria was done using radiation meters and global positioning system. Two portable handheld nuclear radiation monitors (radalert100 and digilert200) to measure exposur...

Open access Research Article 10.9734/ACRI/2017/37124

Natural Radioactivity Levels and Radiation Hazards in Shore Soil and Sediments along the Coast of Ndokwa East, Delta State, Nigeria

C. P. Ononugbo & I. Ofuonye · Archives of Current Research International · 2017

Life on earth has developed under permanent exposure to radiation. Humans have no senses for ionizing radiation, therefore possible risks related to ionizing radiation were underestimated. The objectives of this study therefore is to measure the activity concentration of natural...

Open access Research Article 10.9734/ACRI/2017/36213

A Survey of Environmental Radioactivity Levels in Science Laboratories of Abuja Campus University of Port- Harcourt, Nigeria

C. P. Ononugbo & M. Ishiekwene · Archives of Current Research International · 2017

An in-situ measurement of the background radiation level was carried out at the science laboratories, Ofrima, Abuja campus of University of Port Harcourt, Nigeria. This study was carried out to evaluate the radiological health impact of radiation exposure of staff and students th...

Open access Research Article 10.9734/ACRI/2017/35912

Natural Radioactivity and Radiological Risk Estimation of Drinking Water from Okposi and Uburu Salt Lake Area, Ebonyi State, Nigeria

C. P. Ononugbo & B. U. Nwaka · Physical Science International Journal · 2017

Aim: The objectives of this study was to measure the activity concentration of natural radionuclides in different drinking water sources in order to access the associated radiological health risk due to ingestion of such water. Study Design: The design of this study is purely exp...

Open access Research Article 10.9734/PSIJ/2017/31625

Measurement of Outdoor Ambient Radiation and Evaluation of Radiological Risks of Coastal Communities in Ndokwa East, Delta State, Nigeria

C. P. Ononugbo & F. U. Nte · Advances in Research · 2017

Aim: The aim of this study is to measure the outdoor ambient radiation and evaluate its associated radiological risk parameters of the coastal communities of Ndokwa East. Study Design: The design of this study is purely experimental work. Place and Duration: This study was carrie...

Open access Research Article 10.9734/AIR/2017/33984

Natural Radioactivity Levels and Radiological Risk Assessment of Surface Water from Coastal Communities of Ndokwa East, Delta State, Nigeria

C. P. Ononugbo & C. D. Anyalebechi · Physical Science International Journal · 2017

Aims: The aim of this study is to measure the natural radioactivity levels in surface water from coastal communities in order to assess the radiological health hazards associated with the use of such water. Study Design: This study was purely an experimental work. Place and Durat...

Open access Research Article 10.9734/PSIJ/2017/31782

Natural Radioactivity and Radiation Dose Estimation in Various Water Samples in Abua/Odua Area, Rivers State, Nigeria

C. P. Ononugbo & G. Tutumeni · Physical Science International Journal · 2016

Gamma spectroscopy was used to determine the activity concentration of 238U, 232Th and 40K and radiation dose estimates in water resources of Abua/Odual Local Government Area in Rivers State of Nigeria. A total of 19 water samples (7 borehole water, 6 river water and 6 hand dug w...

Open access Research Article 10.9734/PSIJ/2016/28033

Radiological Assessment of Background Ionizing Radiation Exposure Rates from Solid Mineral Mining Sites in Ikwo Local Government Area of Ebonyi State, Nigeria

C. Mgbeokwere, C. P. Ononugbo & O. L. Gbarato · Asian Journal of Advanced Research and Reports · 2023

Human exposure to ionizing radiation from natural and artificial sources is an unending and unpreventable phenomenon on earth. The negative health impact of human activities in the environment has been an issue of discussion in contemporary times. A study to assess the radiologic...

Open access Research Article 10.9734/ajarr/2023/v17i11568

Radiation Organ Doses and Excess Lifetime Cancer Risk Due to Exposure to Gamma Radiation from Two Cement Industries in Nigeria

M. Onwuka, C. P. Ononugbo & G. O. Avwiri · Journal of Scientific Research and Reports · 2019

A study of background ionizing radiation (BIR) levels to estimate organ dose rates and excess lifetime cancer risk in Unicem cement producing company, Calabar, Cross River state and Bua cement producing company, Okpella in Edo state have been carried out using Digilert 100 and Ra...

Open access Research Article 10.9734/jsrr/2019/v25i1-230178

Radiometric Survey of Granitic Quarry Site of Ebony State, Nigeria

M. Onwuka & C. P. Ononugbo · Advances in Research · 2019

Radiometric survey of the granitic quarry site at Ishiagu and its environment was done using two radiation monitors and geographical positioning system (GPS) for GIS mapping. In-situ measurement of exposure rate was carried out following the international standard organizational...

Open access Research Article 10.9734/air/2019/v20i230156

Evaluation of Health Risks from Exposure to Low Levels of Ionizing Radiation in Some Oil Spilled Communities of Rivers State, Nigeria

S. I. Ovuomarie-kevin, C. P. Ononugbo & G. O. Avwiri · Journal of Scientific Research and Reports · 2018

Background: Oil spillage is often an unintended release of crude oil into the environment as a result of human activity. Crude oil spills in the oil and gas installations, radionuclide material used for geological mapping, well logging and other related activities can also increa...

Open access Research Article 10.9734/JSRR/2018/42767

Radiogenic Heat Production Due to Natural Radionuclides in the Sediments of Bonny River, Nigeria

A. Bubu & C. P. Ononugbo · Journal of Scientific Research and Reports · 2018

In this study, the analysis of sediment samples was carried out to determine the concentrations, distribution and the pattern of Radiogenic Heat Production of radioactive elements in sediment samples from Bonny River, Rivers State, Nigeria. Twenty sediment samples were collected...

Open access Research Article 10.9734/JSRR/2017/39159

Determination of Heavy Metal Concentrations in Sediment of Bonny River, Nigeria

A. Bubu, C. P. Ononugbo & G. O. Avwiri · Archives of Current Research International · 2018

Contamination of sediment by heavy metals is one of the global issues mostly in developing nations like Nigeria. Five heavy metal such Lead (Pb), Copper (Cu), Manganese (Mn), Zinc (Zn) and iron (Fe) in sediments from Bonny River in Rivers State were investigated. The increasing t...

Open access Research Article 10.9734/ACRI/2017/38841

Assessment of Background Gamma Radiation Level in Selected Dump Site of Niger Delta, Nigeria

C. D. Anyalebechi, O. L. Gbarato & C. P. Ononugbo · Archives of Current Research International · 2022

Our environment has been exposed to ionizing radiation from indiscriminate dumping of refuse which is seen as unending and unpreventable challenge on earth. Radiation level and exposure risks in some selected dump site in Rivers state have been calculated using radiation exposure...

Open access Research Article 10.9734/acri/2022/v22i430282

Transfer Factor of Selected Radionuclides from Soil to Plant in Selected Dump Site of Obio/Akpor and Ikwerre Local Government Areas of Rivers State

C. D. Anyalebechi, O. L. Gbarato & C. P. Ononugbo · Asian Journal of Advanced Research and Reports · 2022

Indiscriminate dumping of municipal and industrial wastes in our environment has increased human exposure to hazardous substances which is detrimental to their health. In this research, radionuclide transfer factor was ascertained from crops planted near major dump sites in River...

Open access Research Article 10.9734/ajarr/2022/v16i630476

Mass Concentration and Elemental Constituent of Particulate Matter in Ambient Air of Two Cement Industries and Its Health Risk Analysis

M. Onwuka, G. O. Avwiri & C. P. Ononugbo · Advances in Research · 2020

Particulate matter concentration was measured over two cement production sites in Nigeria using a gravimetric high volume air sampler and Atomic Absorption Spectroscopy (AAS) for elemental analysis. The mass concentration of SPM ranged from 7.50 µg/m3 to 303.1 µg/m3 with mean val...

Open access Research Article 10.9734/air/2019/v20i630176

Evaluation of Exposure of Radio Frequency Field (RF) Radiation from Mobile Communication Base Stations in Port Harcourt, Rivers State, NigeriaQ

U. Nte Felix, O. Avwiri Gregory, C. P. Ononugbo & E. Esi Oghenevovwero · Archives of Current Research International · 2017

The work evaluates the exposure of radio frequency field (RF) radiation from Mobile Communication Base Stations in Port Harcourt, Rivers State, Nigeria. The instruments used in this study include: RF field strength meter, a portable meter and a GPS. Some locations within Port Har...

Open access Research Article 10.9734/ACRI/2017/34549