Assessment of Microbiological Quality of Air Environment Around Waste Dumpsites Within Keffi Metropolis in Northern Nigeria
American Journal of Biological and Environmental Statistics
Volume 5, Issue 4, December 2019, Pages: 78-84
Received: Nov. 30, 2019;
Accepted: Dec. 16, 2019;
Published: Dec. 24, 2019
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Obiekezie Smart Obumneme, Department of Microbiology, Nasarawa State University, Keffi, Nigeria
Ekeleme Ike Kenneth, Department of Microbiology, Nasarawa State University, Keffi, Nigeria
Adamu Muktar Owuna, Department of Microbiology, Nasarawa State University, Keffi, Nigeria
Gnimintakpa M’bouyowe Joseph, Department of Biochemistry and Molecular Biology, Federal University Dutsinma, Dutsin-ma, Nigeria
Onalo Cornelius and Sabo, Department of Microbiology, Nasarawa State University, Keffi, Nigeria
Abdullahi Ado, Department of Biological Sciences, Sa’adatu Rimi College of Education, Nigeria
This study is to assess the microbiological quality and public health hazard associated with the air environment around waste dumpsites in Keffi, metropolis Nigeria was conducted. A total of 25 samples were collected from five different waste dumpsites around five different locations within the metropolis (Angwan Lambu, Keffi Main market, University Main campus and Nasarawa Road). Preliminary cultural, morphological, biochemical characteristics of the isolates revealed the following isolates, Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Proteus vulgaris, Bacillus spp, Micrococcus spp., Aspergillus niger, Alternaria spp., Penicillum spp., Mucor spp., Fusarium spp., Rhizopus stolonifer and Candida spp. The total bacterial counts from the air environments of these waste dumpsites ranged between 2.2-7.4 x 101 cfu/m3, while the total fungal counts ranged between 1.4-4.4 x 101 cfu/m3. The susceptibility of the bacterial isolates against commonly used antibiotics tested showed varying degree of susceptibility and it is in the following decreasing order; Proteus vulgaris (93.3%) > Staphylococcus aureus (55.6%) > Micrococcus spp. (43.3%) > Pseudomonas aeruginosa (42.8%) > Bacillus spp. (41.2%) > Escherichia coli (30.8%). Health risk assessment indicates the presence of pathogenic bacteria and moulds with serious health risk to human within the environment due to the possibility of cross contamination of foods sold in the open. Consequently, there is the need to periodically monitor the number of microorganisms within the air of these environments using the established threshold stipulated for microbial concentrations in air.
Obiekezie Smart Obumneme,
Ekeleme Ike Kenneth,
Adamu Muktar Owuna,
Gnimintakpa M’bouyowe Joseph,
Onalo Cornelius and Sabo,
Assessment of Microbiological Quality of Air Environment Around Waste Dumpsites Within Keffi Metropolis in Northern Nigeria, American Journal of Biological and Environmental Statistics. Special Issue: Microbes, Man and Environmental Sustainability.
Vol. 5, No. 4,
2019, pp. 78-84.
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