Piri Keşif Aracı

This study is aimed at the application of risk and pollution models in evaluating the quality of groundwater samples in the vicinity of automobile scrap markets in Owerri municipal and its environs. Soil samples from the study area were analyzed using energy dispersive x-ray fluorescence spectrometer (EDXRF) which revealed the identities and percentages of metallic contaminants in the soil. Identified metallic pollutants were subsequently determined in the groundwater samples with an atomic absorption spectrophotometer (AAS). Physicochemical parameters of the water samples were ascertained using standard procedures. The EDXRF results revealed the presence of fourteen metallic pollutants in varying percentage concentrations with aluminum and iron showing the highest concentrations. Low pH values (3.98 – 4.34) were recorded in all the groundwater samples below acceptable limits, while elevated nitrate levels were observed but are however within recommended limits. High concentrations of nickel (0.18±0.03 mg/L) and lead (0.04±0.02 mg/L) above threshold values for safe drinking water were observed in the groundwater samples within the study area. Strong positive correlations were recorded for the metallic contaminants in both soil and groundwater samples. This was also confirmed by principal component analysis (PCA) which grouped the metals into three and two groups for soil and water samples respectively. However, Hierarchical cluster analysis (HCA) revealed that the soil and water samples were polluted mainly by two distinct sources. Single-factor pollution index (SFPI) revealed values > 0.1, as the metal index (MI) suggests serious water pollution. Both the degree of contamination (DC) and heavy metal evaluation index (HMEI) revealed medium contamination and moderate-to-heavy metal index respectively. The heavy metal pollution index (HMPI) value > 100 was recorded in the samples suggesting the unsuitability of the groundwater for drinking. Hazard quotient (HQ) values of all the metallic pollutants studied except Cd in sample B were lower than one (<1), and the hazard index (HI) value of sample B revealed that there could be adverse health effects due to Cd contamination. Carcinogenic risk (CR) analysis for Cd, Cr, and Pb showed values above 10−6 (> 10−6), which implies the tendency of carcinogenic risk after prolonged intake of water samples from the area. Hence, it is recommended that appropriate government agencies should as a matter of urgency provide treated pipe borne water to the area to avert possible health challenges due to the consumption of water from groundwater sources in the study area.

Kaynak 1: http://www.sciencedirect.com/science/article/pii/S2468227620301885 arayıcılığı görüntüle.
Kaynak 2: http://dx.doi.org/10.1016/j.sciaf.2020.e00450 arayıcılığı görüntüle.

Anahtar Kelimeler : Automobile workshops, Carcinogenic risk, Groundwater, Pollution evaluation, Trace metals

ISSN: 2468-2276
Cilt: 8
Sayfa: e00450

Sınıflandırma :

Çevre %100

Çevresel Sağlık %84

2

Environmental and health implications of trace metal concentrations in street dusts around some electronic repair workshops in Owerri, Southeastern Nigeria.

Dergi Makalesi

Kaynak 1:

PubMed

Kaynak 2:

Springer Link

Dergi:

Environ Monit Assess

Yazar(lar) :

Francis Chizoruo Ibe , Alexander Iheanyichukwu Opara , Bridget Onyekachi Ibe , Blessing Chinonso Adindu , Bright Chigozie Ichu

Yıl :

2018

Francis Chizoruo Ibe

Yayıncı Web Siteleri

Piri Tam Metin Bulucu Özet Ek Bilgiler

Assessment of trace metal concentrations in street-deposited sediments around some selected electronic repair workshops in Owerri, Imo State, Nigeria, was carried out. The objective of the study was to determine the concentrations of trace metals, namely nickel (Ni), chromium (Cr), lead (Pb), copper (Cu), cadmium (Cd), and zinc (Zn), in surface dusts from streets within some electronic repair workshops in Owerri, Imo State, Nigeria. Dust samples were collected from seven locations within the month of January 2014 during the dry season when the onset of dust was high in the area. The samples were air-dried, sieved, and digested in aqua regia, with the concentrations of trace metals determined with atomic absorption spectroscopy, Agilant FS 240AA model (USA). Results of the study revealed all the trace metals assessed except Cr in dust sample from Aladinma (ALA). Though elevated concentrations of Zn and Cu were observed in all the sampled locations, the concentrations did not exceed the Dutch intervention values. Risk assessment of the heavy metals showed high average daily dose (ADD) of the heavy metals for children and adults at New Market 2 (NMK2), New Market 1 (NMK1), and Tetlow (TEL), which could be attributed to the presence of electronic repair workshops and activities of electronic scrap dealers within these areas. It was observed that the values of hazard quotient (HQ) were less than 1, while that of hazard index (HI) were all below 1-5, indicating that the heavy metals pose no health risk to adults and children in the environment. However, there may be potential danger if the waste generated from the electronic repair workshops and electronic scrap dealers are not properly disposed and managed.

Kaynak 1: https://www.ncbi.nlm.nih.gov/pubmed/22024094 arayıcılığı görüntüle.
Kaynak 2: http://dx.doi.org/10.1007/s10661-018-7023-6 arayıcılığı görüntüle.

DOI : 10.1007/s10661-018-7023-6

Anahtar Kelimeler : Electronic waste, Hazard quotient, Risk assessment, Street dust, Trace metals

Sınıflandırma :

Çevre %100

Çevresel Sağlık %100

3

Phosphate ions removal from aqueous phase by batch adsorption on activated (activation before carbonization) biochar derived from rubber pod husk

Dergi Makalesi

Kaynak :

Science Direct

Dergi:

Current Research in Green and Sustainable Chemistry

Yayıncı:

Elsevier BV

Yazar(lar) :

Beniah Obinna Isiuku , Chritian Ebere Enyoh , Chidi Edbert Duru , Francis Chizoruo Ibe

Yıl :

2021

Francis Chizoruo Ibe

Ek Bilgiler

DOI : 10.1016/j.crgsc.2021.100136

ISSN: 2666-0865
Cilt: 4
Sayfa: 100136

4

Statistical analysis of atmospheric pollutant concentrations in parts of Imo State, Southeastern Nigeria

Dergi Makalesi

Kaynak 1:

Directory of Open Access Journals (DOAJ)

Kaynak 2:

Science Direct

Dergi:

Scientific African

Yazar(lar) :

Francis Chizoruo Ibe , Alexander Iheanyichukwu Opara , Chidi Edbert Duru , Isiuku Beniah Obinna , Margaret Chinyelu Enedoh

Yıl :

2020

Francis Chizoruo Ibe

Yayıncı Web Siteleri

Özet Ek Bilgiler

This study was carried out to analyze the concentrations of some atmospheric pollutants in some parts of Imo State, southeastern Nigeria using statistical techniques. In the present study, PM10, NO2, SO2, CO, VOC and H2S in some parts of Imo State Southeastern Nigeria were analyzed to determine their presence, concentrations and possible sources of emission. This study also tried to establish possible relationship between pollutants spatial variation and dispersion with industrial and anthropogenic activities within the study area. The study area includes Egbema, Orlu, Okigwe and Orlu areas of Imo State, Nigeria. Air quality data was collected three times a day (morning, afternoon and evening) using the Gasman Air Monitors which was specifically used for SO2, NO2 and CO measurements, the Haze-dust Particulate Monitor 10 µm was used for PM10 data acquisition. Similarly, the Aeroqual Gas Monitor Model 300 was used for H2S measurement while the Ibrid MX6 Gas Monitor was used for VOC measurement. Results of the study revealed that the mean PM10 and CO levels in the locations exceeded the 24 h limit of 150 µg/m3 and 35 ppm of the United States National Ambient Air Quality Standards (US NAAQS) respectively. In addition, the mean concentrations of NO2 was above the annual limit of 0.053 ppm as prescribed by US NAAAQS, while the mean values of SO2 were within the annual and 1–hour limits of 0.5 ppm and 0.075 ppm respectively as stipulated by the US NAAQS. Whereas significant concentrations of H2S were not detected in the various locations, elevated concentration of VOC were recorded within Egbema area indicating possible influence from gas flaring and other crude oil related activities. The ANOVA and Box and Whisker plots revealed remarkable variations of the air pollutant concentrations in the study area. In addition, while the Hierarchical Cluster Analysis (HCA) grouped the pollutants into one major group, Principal Component Analysis (PCA) further grouped them into one coherent component indicating similar source of emission. The findings of this study therefore showed the need for regular air quality monitoring of the area to forestall adverse environmental problems. Keywords: Statistical analyses, Atmospheric pollution, Wind rose, Particulate matter, Imo State

Kaynak 1: http://www.sciencedirect.com/science/article/pii/S2468227619307987 arayıcılığı görüntüle.
Kaynak 2: http://dx.doi.org/10.1016/j.sciaf.2019.e00237 arayıcılığı görüntüle.

ISSN: 2468-2276
Cilt: 7
Sayfa:

Sınıflandırma :

Çevre %98

Atmosferik Koruma %65

Çevresel Sağlık %29

5

Application of assessment models for pollution and health risk from effluent discharge into a tropical stream: case study of Inyishi River, Southeastern Nigeria

Dergi Makalesi

Kaynak :

Springer Link

Dergi:

Environmental Monitoring and Assessment

Yayıncı:

Springer Science and Business Media LLC

Yazar(lar) :

Francis Chizoruo Ibe , Alexander Iheanyichukwu Opara , Bridget Onyekachi Ibe , Collins Emeka Amaobi

Yıl :

2019

Francis Chizoruo Ibe

Ek Bilgiler

DOI : 10.1007/s10661-019-7936-8

ISSN: 0167-6369
Sayı: 12
Cilt: 191

6

Influence of Urban Informal Activities on Pollutant Levels in Water and Soil of Some Cities in Northern Nigeria

Dergi Makalesi

Kaynak :

Springer Link

Dergi:

Chemistry Africa

Yayıncı:

Springer Science and Business Media LLC

Yazar(lar) :

Emmanuella Chinenye Onyenechere , Uwazie Iyke Uwazie , Ephraim Ikechukwu Elenwo , Francis Chizoruo Ibe

Yıl :

2021

Francis Chizoruo Ibe

Ek Bilgiler

DOI : 10.1007/s42250-021-00266-4

ISSN: 2522-5758

7

Environmental risk assessment of the intake of contaminants in aquifers in the vicinity of a reclaimed waste dumpsite in Owerri municipal, Southeastern Nigeria

Dergi Makalesi

Kaynak :

Springer Link

Dergi:

Applied Water Science

Yayıncı:

Springer Science and Business Media LLC

Yazar(lar) :

Francis Chizoruo Ibe , Alexander Iheanyichukwu Opara , Collins Emeka Amaobi , Bridget Onyekachi Ibe

Yıl :

2021

Francis Chizoruo Ibe

Özet Ek Bilgiler

AbstractThe study investigated groundwater sources within reclaimed municipal waste dumpsites around Akachi road in Owerri, Southeastern Nigeria. The research evaluated the pollution and risk inherent in the consumption of groundwater in the vicinity of the reclaimed waste dumpsite using standard procedures. Results showed acidic pH values for some groundwater samples within the reclaimed waste dumpsite. Elevated nitrate (NO3−), aluminium (Al) and chromium (Cr) concentrations above the World Health Organization (WHO) limits for drinking water samples were recorded in some of the groundwater samples from the study area. The observed strong positive correlations between the metallic contaminants indicated that the distribution of the pollutants has a strong relationship with organic contaminants in the reclaimed waste dumpsite. Low contamination factor was exhibited by all metals for the individual samples except for Cr in sample A and Al in sample A and D. The pollution load index for all the samples was low, except for sample C with a pollution load index of unity. Elevated hazard quotient > 1 and hazard index > 1 were observed for both adults and children due to high Cr levels. The chronic daily intake risk assessment revealed values < 1, while carcinogenic risk values greater than 10−6 and 10−4 were observed for the samples suggesting potential health risk for children and adults. The water quality index of samples from the reclaimed waste dumpsite calls for concern due to elevated levels of Al and Cr. These findings, therefore, suggest the need to treat the groundwater from the reclaimed dumpsite before consumption to avert serious health risks. Finally, waste dumpsites should be remediated or allow to undergo natural remediation before reclamation, erecting residential structures, and sinking of boreholes for water supply within such areas.

DOI : 10.1007/s13201-020-01355-4

ISSN: 2190-5487
Sayı: 2
Cilt: 11

8

Airborne microplastics: a review study on method for analysis, occurrence, movement and risks

Dergi Makalesi

Kaynak :

Springer Link

Dergi:

Environmental Monitoring and Assessment

Yayıncı:

Springer Science and Business Media LLC

Yazar(lar) :

Christian Ebere Enyoh , Andrew Wirnkor Verla , Evelyn Ngozi Verla , Francis Chizoruo Ibe , Collins Emeka Amaobi

Yıl :

2019

Francis Chizoruo Ibe

Ek Bilgiler

DOI : 10.1007/s10661-019-7842-0

ISSN: 0167-6369
Sayı: 11
Cilt: 191

9

Indirect exposure to novel coronavirus (SARS-CoV-2): an overview of current knowledge

Dergi Makalesi

Kaynak :

Directory of Open Access Journals (DOAJ)

Dergi:

Jurnal Teknologi Laboratorium

Yazar(lar) :

Christian Ebere Enyoh , Andrew Wirnkor Verla , Wang Qingyue , Dipak Kumar Yadav , Md Akhter Hossain Chowdhury , Beniah Obinna Isiuku , Tanzin Chowdhury , Francis Chizoruo Ibe , Evelyn Ngozi Verla , Tochukwu Oluwatosin Maduka

Yıl :

2020

Francis Chizoruo Ibe

Piri Tam Metin Bulucu Özet Ek Bilgiler

This review chronicles the indirect transmission method which seems to be overlooked by most people and makes attempts to document the various transmission ways with a hope that such information may strengthen the knowledge base of researchers towards methods of eradicating the pandemic. Current knowledge of transmission and exposure of SARS-CoV-2 has been explained. Various researchers have put forward different ways of exposure and transmission. Literature does not reveal whether the indirect transmission route is the dominant one. However, total lockdown could be a veritable means to reduce both direct and indirect transmission routes. In many countries where the indirect transmission has been reduced, the scourge of the virus is less. The work creates awareness on the need to watch out for those routes of transmissions that may not be popular and suggested vital knowledge gaps that need to fill.

DOI : 10.29238/teknolabjournal.v9i1.227

Anahtar Kelimeler : air pollution, covid-19, transmission, wastewater, article review

Cilt: 9
Sayı: 1
Sayfa: 67 - 77

10

Assessment of Heavy Metals in Soils from Reclaimed Section of Nekede Mechanic Village, Owerri, Southeastern, Nigeria

Dergi Makalesi

Kaynak :

Springer Link

Dergi:

Chemistry Africa

Yayıncı:

Springer Science and Business Media LLC

Yazar(lar) :

Chidi Edbert Duru , Christian Ebere Enyoh , Margaret Chinyelu Enedoh , Ijeoma Akunna Duru , Francis Chizoruo Ibe , Andrew Wirnkor Verla , Beniah Obinna Isiuku

Yıl :

2021

Francis Chizoruo Ibe

Ek Bilgiler

DOI : 10.1007/s42250-020-00216-6

ISSN: 2522-5758

11

“Plasti-remediation”: Advances in the potential use of environmental plastics for pollutant removal

Dergi Makalesi

Kaynak :

Science Direct

Dergi:

Environmental Technology & Innovation

Yayıncı:

Elsevier BV

Yazar(lar) :

Christian Ebere Enyoh , Franklyn Okechukwu Ohiagu , Andrew Wirnkor Verla , Qingyue Wang , Leila Shafea , Evelyn Ngozi Verla , Beniah Obinna Isiuku , Tanzin Chowdhury , Francis Chizoruo Ibe , Md. Akhter Hossain Chowdhury

Yıl :

2021

Francis Chizoruo Ibe

Ek Bilgiler

DOI : 10.1016/j.eti.2021.101791

ISSN: 2352-1864
Cilt: 23
Sayfa: 101791

12

Human health risk assessment of the levels of dioxin-like polychlorinated biphenyls (PCBs) in soils from mechanic workshops within Nekede mechanic village, Imo State, Nigeria

Dergi Makalesi

Kaynak :

Taylor and Francis

Dergi:

International Journal of Environmental Analytical Chemistry

Yayıncı:

Informa UK Limited

Yazar(lar) :

Victor Chukwuemeka Eze , Azuka Richard Nwabudike , Chidi Edbert Duru , Beniah Obinna Isiuku , Francis Chizoruo Ibe , Josephat Okechukwu Ogbuagu , Christian Ebere Enyoh , Miracle Oluebube Muogbo

Yıl :

2021

Francis Chizoruo Ibe

Ek Bilgiler