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 Article10.9734/air/2019/v20i630176
Estimation of lung cancer risk for internal exposure to naturally occurring 222Rn gas in natural food spices was done using mathematical models. A series of equations were used to estimate Rn concentrations indoor and outdoor and the associated annual effective doses and lung can...
Open access
Research Article10.9734/ACRI/2018/39504
Background: The use of radiation in hospitals is of great benefit to patients. However scattered radiation that is associated with its use is of great risk to staff and the general public that come in contact with it. The need, therefore, arises that staff be monitored to ensure...
Open access
Research Article10.9734/JSRR/2017/38837
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 Article10.9734/JSRR/2017/36833
Radiation is present everywhere on the Earth and humans are exposed to it without being aware of it. Exposure to natural ionizing radiation is inevitable as long as we live on Earth. An in-situ measurement of indoor and outdoor exposure dose rates of Federal Medical Center Umuahi...
Open access
Research Article10.9734/ACRI/2017/34244
The quantification of activity concentrations of radionuclides and the radiation hazard indices in the exploration fields of Benue State have been carried out. Samples of the environmental matrix (soil and minerals) were collected from five mining sites of barite, limestone, lead...
Open access
Research Article10.9734/AIR/2017/33432
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 Article10.9734/jsrr/2019/v25i1-230178
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 Article10.9734/JSRR/2018/42767
The concentration of gross alpha and gross beta radioactivity in surface soil, mineral rock and consumable water around mining sites in Benue state, Nigeria have been measured using protean instrument corporation (PIC) MPC 2000DP detector. The average activity for gross alpha ran...
Open access
Research Article10.9734/JSRR/2018/39193
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 Article10.9734/ACRI/2017/38841