Browsing Faculty of Engineering, Built Environment & Design (FEng / FBD) by Author "Kinyua, AM"
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Analysis of soil for trace elements along two highways of Kenya
Hashim, NO; Kinyua, AM; Mangala, MJ; Rathore, IVS (1998)For a long time, the toxicity of metals was considered as an occupational hazard. Industrialization, urbanization, increased vehicular traffic and use of fertilizers and pesticides in agriculture have resulted in increased ... -
Assessment of heavy metal pollution of L." Victoria
Maina, DM; Kinyua, AM; Mangala, MJ; Gatari, MJ (1997) -
Assessment of Ozone, Nitrogen Oxides, Air Particulate Matter in the Ambient Air of Nairobi city
Mangala, JM; Odhaimbo, GO; Kinyua, AM; Gatebe, CK; Maina, DM (2006)World wide, more than 1.1 billion people live in urban centres that are highly polluted by industrial and other human activities. Among the most common and most virulent air pollutants are sulphur dioxide,suspended particulate ... -
Assessment of quality of trace element measurements by EDXRF technique: a statistical approach
Hashim, NO; Rathore, IVS; Kinyua, AM; Stangl, RL; Mustapha, AO (University of Nairobi, 2004) -
Determination of heavy metals and sulphur in waste engine oils
Njue, W; Kinyua, AM; Thinguri, MT (1999) -
The determination of levels of mercury, cadmium and lead in water samples from Naivasha area, Kenya
Muigai, PG; Kamau, GN; Kinyua, AM (1995)The analysis of mercury, cadmium and lead in water samples from different environments (Lake Naivasha, River Malewa boreholes and Olkaria geothermal wells) in Naivasha region and their possible origins are reported. The ... -
EDXRF analysis of local and imported pica soil samples
Njagi, ENM; Kinyua, AM; Munyua, JK; Mungala, MJM (EAST AFRICAN JOURNAL OF SCIENCE I Volume 3 -Part 1 June 2001, 2001)Several studies have implicated trace metal metabolism with some human diseases. Energy Dispersive X-Ray Fluorescence(EDXRF)method was used to analyse pica soil samples, which are consumed by some pregnant mothers in ... -
Heavy metal analysis of suspended particulate matter (SPM) and other samples from some workplaces in Kenya
Kinyua, AM; Gatebe, CK; Mangala, MJ (1998)Air pollution studies in Nairobi are indicating a rising trend in the particulate matter loading. The trend is mainly attributed to increased volume of motor vehicles, the physical change of the environment, agricultural ... -
The impact of pollution on the ecology of the Nairobi-Athi River system in Kenya
Kinyua, AM; Pacini, N (1991)The pollution of the Nairobi-Athi River System is assessed by heavy metal analysis of the river water, industrial effluents, the invertebrate community and the riverine vegetation between Nongara upstream (UP) and 14 falls. ... -
Lead and other metals distribution in local cooking salt from the fofi salt‐ spring in akwana, middle benue trough, Nigeria
Dima, LA; Kinyua, AM; Munyithya, JM; Adetunji, J (1991)Energy Dispersive X‐ray Fluorescence(EDXRF) technique has been used to determine the concentrations of lead(Pb) and other heavy metals in local cooking salts(LCS) from Akwana village, Middle Benue Trough, Nigeria. The ... -
Monitoring of suspended particulate matter (SPM), heavy metals and other parameters in some workplaces
Kinyua, AM; Gatebe, CK; Mangala, MJ; Korir, AK; Bartilol, S; Maina, DM; Mugera, WG; Kamau, GN; Chakaya, JM; Karama, M; Miungu, DM; Kitio, V (2000)This report presents results of measurements of sound levels, chemical analysis of air particulate matter and soil samples from two factories in Nairobi. A preliminary assessment of suspended particulate matter (SPM) in a ... -
Natural gamma radiation levels, indoor and water 222 RN Concentrations in soil division of Kerio valley, kenya
Nderitu, SK; Maina, DM; Kinyua, AM (University of Nairobi, 2001)Human beings are constantly exposed to natural radioactivity. This radiation is mainly from natural gamma rays and radon and its decay products. The gamma rays are as a result of the decay of primordial nuclides and their ... -
Nitrogen oxides, ozone and heavy metals analysis of suspended particulate matter (spm) of air in Nairobi, Kenya
Odhiambo, O; Kinyua, AM; Gatebe, CK (2001)Motor vehicle emissions are a major source of air pollution in most urban centers. In Kenya, Nairobi city has the highest traffic density and is therefore a particular cause for concern due to the poor maintenance standards ... -
Pixe analysis of trace elements in tissues of rats treated with anticonvulsants
Hurd, RW; Van Rinsvelt, HA; Kinyua, AM; O'Neill, MP; Wilder, BJ (1987)Several lines of evidence implicate metals in epilepsy. Anticonvulsant drugs are noted to alter levels of metals in humans and animals. PIXE analysis was used to investigate effects of three anticonvulsant drugs on tissue ... -
Prospects of Establishing Food Irradiation Facilities in Kenya
Mustapha, AO; Patel, JP; Rathore, IIVS; Hashim, NO; Kinyua, AM (1997)A national project of food irradiation in the country is being proposed. At present there are no facilities for food irradiation (and food irradiation research) in Kenya. This report is therefore largely comparative ... -
A simple diffusion model for calculating concentrations from line sources in Nairobi
Gatebe, CK; Nganga, JK; Rao, MS; Kinyua, AM (1994)A simple physically realistic model is used for estimating carbon monoxide(CO) from highway in Nairobi using motor vehicle data for 1989. The year 1989 was chosen because it was the most recent year with motor vehicle count ... -
Trace element analysis of mineral and tap water samples using total reflection x-ray fluorescence (TXRF)
Mangala, MJ; Korir, KA; Maina, DM; Kinyua, AM (2000)Results of trace element analysis by TXRF of tap water and various brands of bottled mineral water samples which are representative of local and imported brands sold in Nairobi are reported. The variation in elemental ... -
Trace metal analysis of tissues from rats treated with anticonvulsants
Kinyua, AM (1987) -
Workplace monitoring and occupational health studies in Kenya using nuclear and related analytical techniques
Kinyua, AM; Gatebe, CK; Mangala, MJ; Maina, DM; Korir, AK; Bartilol, S (Institute Of Nuclear Science, University Of Nairobi, Kenya, 1997)Air pollution studies in Nairobi are indicating a rising trend in the particulate matter loading. The trend is mainly attributed to increased volume of motor vehicles, the physical change of the environment, agricultural ...