NATIONAL DEVELOPMENT AND GLOBAL EMPOWERMENT, THE CASE OF INDUSTRIAL AIR POLLUTION IN ILUPEJU INDUSTRIAL ESTATE,
LAGOS STATE.
BY
ATUBI AUGUSTUS O. (Ph.D)
ABSTRACT
The research work is primarily on industrial pollution; focusing on air pollution in the Ilupeju industrial estate of Lagos State, in Mushin Local Government Area. Air pollution has been a serious problem to the people who reside closely to Ilupeju industrial zone since inception of the area. It has been responsible for various ailments among the people and those who work in the industries that pollute the air through the use of some dangerous chemicals. The research work looked at the various ways by which air pollution is being generated in the area, the effects on the people and the possible control measures to minimize its further damage on the health of the people and the place for national development and global empowerment.
INTRODUCTION
The environment is the setting of man’s various productive activities. The impact of man on the landscape through these activities and the extent of environmental pollution arising there from have been well documented (Atubi and Onokala, 2006a, Atubi, 2007b).
In Nigeria today, most of the industrial estates are not meant for industries alone; residential homes can be found in the so-called industrial estates also. And with this development, the problem of industrial pollution has effects on man, plants and materials. The areas which contain industries manufacturing different products such as petrochemicals, detergents, injects harmful wastes into the air such as carbon monoxide, sulphur oxide, nitrogen oxide and hydrocarbons which are the major sources of air pollution.
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Generally, the release of industrial waste into the air has been responsible for many health problems such as chronic bronchitis, malaria, asthma and also the damaging of roofing sheets and buildings. The resident are not fully aware of the damages being done to their lives and properties by those harmful wastes. Most of the past researches in Nigeria and the world in general on industrial pollution such as Hodges (1977); Mcgraw-Hill (1977); Okoro (1979); Nwafor (1981); Simmon (1982); Kormondy (1984); Segynola (1988); Ohagi (1988); Ademorati (1988); Miller (1994); Hill (1999) to mention a few, have their focus on effects and causes of industrial pollution in general and not on industrial estate. Available evidence (Census, 1991) shows that about sixty thousand people reside in the Ilupeju industrial area, yet very low priority is accorded to the problems of industrial pollution and environmental quality in the area.
The problem of air pollution is worse in Lagos than in any other Nigerian city. It is also more complex in Lagos. The study is aimed at analyzing the effects of industrial air pollution on the residents and environments of Ilupeju industrial estate as a way for national development and global empowerment.
STUDY AREA/DATA COLLECTION
This study is focused on Ilupeju industrial estate, which in the context of this paper comprises of over 20 streets and for proper administration it was further divided into three zones. The zones are Ilupeju bye-pass as zone A, Coker area as zone B, Town Planning area as zone C.
Ilupeju industrial estate is located within the Mushin Local Government Area of Lagos State. It covers an area of about 110 hectares of land. It is transversed by longitude 30 and 3060I east and latitude 3030I north. It is bounded in the North by Ikeja Local Government Area, in the east by Somolu Local Government Area, in the West by Oshodi/Isolo Local Government Area, and in the South by Surulere Local Government Area in Lagos State in 1962 (fig. 1).
It occupies a unique position in Lagos State, firstly as an industrial zone, secondly as a commercial centre, thirdly as a residential area and lastly as a major route.
The concentration of industries can be found in Ilupeju industrial estate. And the area is well established because of the rapid growth of new and large industrial establishments, which include good transportation, and relatively high standard of available public utilities. The industries on this estate include paints, plastic, textiles, printing services and the manufacturers of soap and detergents etc. The banking sector is another sector found amongst the economic activities that takes place in Ilupeju.
The data on which the study is based were collected through questionnaire survey in the year 2005 from three zones to which Ilupeju industrial estate was divided. The random/systematic sampling techniques was used to select a number of streets. Out of the 20 streets in the area 10 were randomly selected for the study in which three houses were again selected randomly with two persons selected for interview. Responses from the questionnaires were mainly used for data analysis. The computation elied on averaging model, percentages and Analysis of variance (ANOVA).
CAUSES OF INDUSTRIAL POLLUTION
Mcgraw-Hill (1977) stated that other sources such as pesticides and man’s earth-moving and agricultural practices lead to vastly increased atmospheric burden of the soil particles and of pollens, spots, rust and smuts.
Okoro (1979) further stated that industrialization is as a result of man’s attempt to provide himself with facilities for optimum employment. Industries leave behind peculiar wastes. They also pollute our environment, think of the cloud of smoke that emerges from the industrial house and apparently disappears into the air, think of various colour liquid some of them have foul smells that are emptied into the rivers, lagoons and oceans. They change environment’s composition and destroy its purity. To assess this, respondents were asked to mention the causes of industrial pollution in the estate. The response made showed that the use of chemicals in Zone A is one of the major causes of pollution in the area followed by the release of smoke from the industries which 24 people responded to it, while the poor disposal of waste and noise from machineries have responses of 23 and 20 respectively.
In zone B, 19 people responded to the use of chemicals, 10 to the poor disposal of waste, 9 people indicated to the noise from machineries and 15 responded to the release of smokes from industries.
Finally, in zone C, 20 people indicated that the use of chemicals is the major cause of industrial pollution. 18 responded to the poor disposal of waste, 17 to noise from the machineries, and 18 to the release of smokes. Table 1 shows the details. From the table it could seen that zone A and C had high indications than B, this is because Zone A and C are the nearest neighbours to different industries while zone B are area away from the industries.
TABLE 1:THE CAUSES OF INDUSTRIAL AIR POLLUTION IN ILUPEJU INDUSTRIAL ESTATE.
CAUSES OF INDUSTRIAL POLLUTION
ZONE A
ZONE B
ZONE C
TOTAL
%
Use of Chemical
25
19
20
64
29.4
Poor Disposal of Waste
23
10
18
51
23.4
Noise from Machines
20
9
17
46
21.1
Release of Smokes
24
15
18
57
26.1
Total
92
53
73
218
100
Source: Field Survey, 2005
Therefore, the major causes of industrial air pollution as seen from the table is because of the use of chemicals which in turn pollute the area through the release of smoke.
TABLE 2:THE EFFECTS OF INDUSTRIAL AIR POLLUTION IN ILUPEJU INDUSTRIAL ESTATE
EFFECTS OF INDUSTRIAL AIR POLLUTION
ZONE A
ZONE B
ZONE C
TOTAL
%
Restlessness
20
10
21
51
23.2
Persistent cough and chest pain
20
10
20
50
22.7
Eye irritation
21
20
20
61
27.7
Asthmatic patient
20
19
19
58
26.4
Total
81
59
80
220
100
Source: Field Survey, 2005
Table 2 shows that in zone A 20 indicated that restlessness has been one of the effects of industrial air pollution followed by persistent cough and chest pain, eye irritation which is the highest with 21 responses and 20 for asthmatic patients.
Zone B, as could be seen from the table 2 had eye patient with 20 respondents and 10 respondents respectively for restlessness and persistent cough and chest pain.
Zone C showed that the effect of industrial air pollution is more on eye irritation and persistent cough and chest pain with 20 respondents respectively while restlessness had the highest respondents and asthmatic patient has 19 respondents.
From the above table 2, the effects of industrial air pollution is felt more in Zone A followed by Zone B and this is because the residential areas are nearest to the industrial area. Zone B has a total of 59 compared to Zone A (81) and Zone C (80). From the table it indicated that zones A and B have the highest effects of industrial pollution than zone C.
Hypotheses were formulated and tested using analysis of variance statistic. The calculated values are 10.27 and 3.72 and the critical table value are 4.26 and 4.26. Therefore, there is variation of industrial air pollution in Ilupeju industrial estate. (See Appendix 1 and 2 for necessary computations).
POLICY IMPLEMENTATION
In order to prevent severe health hazards arising from increased industrial activities which pollutes the environment, government’s silence on environmental protection over the years should be broken and public interest must be sufficiently aroused through documentaries and corrective measures of pollution. We should therefore, plan ahead, and learn from the mistakes of the industrialized nations and their current efforts to correct those mistakes. We should not allow pollution to be the price of the state’s progress.
The establishment of some parastatals concerned with the maintenance of sanity in environment is the next step in the right direction. The Lagos State Ministry of Environment, Lagos State Environmental Protection Agency, Federal Environmental Protection Agency and the Ministry of Health, etc. amongst others are charged with the responsibility of protecting the environment and maintaining a healthy environments as a way for national development and global employment.
However, to grapple effectively with our environmental problems and enhance the quality of life in our settlements, we require information in the nature and dimension of these problems. The State Government should make funds available for relevant research to increase our understanding of the source and effect of gaseous pollutant and all disciplines have a role to play in this regard. There is need to design relatively, cheap yet efficient methods of waste disposal for our towns and cities (Atubi and Oriero, 2006b).
Finally, it may be observed that in the area of pollution control, there must be a good deal of cooperation between professionals. The engineers should explore different alternatives of controls; the economists must determine which combination of measures is least costly for a given degree or control. The social scientists explore the intangible benefits associated with different level of control, the surveyors to determine how best each level of control could be developed and the jurist establish how different control measures can be enforced. The decision regarding the control measures can be adopted and enforced. However, the adoptions rest with the people and the government. They will have to pay for it and will have to live with it.
CONCLUSION
The result of the study has shown that all environmental pollution in Ilupeju industrial estate is created by man’s activities in living, producing and consuming goods and services. These activities generate net benefits to the people undertaking them even though they may impose unwanted cost.
An important objective of environmental resources management in Lagos State is to plan towards an improvement of overall quality of the state’s human environment and this plan should be undertaken from the local level upwards. To achieve this objective, a strategy should be worked out to ensure that the use of resources for the welfare of man does not result in a conflict between the environment and development or between resource utilization and man.
REFERENCES
Ademoroti C. M. A. (1988), “Environmental Management: Case Studies on Industrial Waste water treatment”, Environmental issues and management in Nigeria Development. Pp. 200 – 206
Atubi, A. O. and Onokala, P. C. (2006a) “The Socio-Economic Effects of Oil Spillage on Agriculture in the Niger-Delta: A case study of Olomoro, Delta State, Nigeria. Journal of Environmental Studies vol. 2 No.4. Pp. 46 – 52.
Atubi, A. O. and Oriero, S. B. (2006b) Environmental Sanitation in Abraka Metropolis; Towards A public policy in Akinbode, A and Ugbomeh B (eds) Abraka Region pp. 118 – 128.
Atubi, A. O. (2007b) The Perception of Industrial Disturbances in Nigeria Cities: A Geographical Appraisal of Benin-City. Journal of Environmental Analar (forthcoming).
Hill J. (1999), General Chemistry: An Integrated approach 2nd edition, Englewood Cliffs, N. J. Prenctice Hall.
Hodges L. (1977), Environmental Pollution: 2nd Edition U.S.A., Library of Congress cataloging in publication Data. Pp. 6 – 8.
Kormondy, E. J. (1984), Concept of Ecology, Englewood Cliffs, N. J. Prentice – Hall P. 35.
Mcgraw-Hill (1977) Encyclopaedia of Environmental Science, New York: Mcgraw-hill p. 35.
Miller, G. T. (1994) Living in the environment: Principles, Connection and Solution 8th edition Belmont California, Wadsworth. Pp. 569 – 583, 645 – 647.
Nwafor, J. C. (1981) “An Evaluation of Land Conservation Problems of Extractive and Manufacturing Industries in Nigeria: A case study of Nkalagu Cement Industry” In U. M. Gbozurike (ed.) Land Use and Conservation in Nigeria. Nsukka; University of Nigeria Press, Pp. 128 – 36.
Ohaji, S.M.O. (1988), “The Effects of Brewery Effluent Discharge on Ikpoba River Water Quality, Benin City” Environmental issues and management in Nigeria Development, Pp. 196 – 197.
Okoro, P. T. (1979) Environmental Problems and Your Health: A paper presented to the Ministry of Health.
Segynola, A. A. (1988) “The Nigerian Industrial Landscape and Environmental Degradation”. Environmental issues and Management in Nigeria Development, Pp. 174 – 179.
Simon, I. G. (1982) The Ecology of Natural Resources, 2nd edition. Edward Arnold Limited, Pp. 277 – 279.
APPENDIX I
CAUSES OF INDUSTRIAL POLLUTION IN THE STUDY AREA
CAUSES OF INDUSTRIAL POLLUTION
ZONE A
ZONE B
ZONE C
Use of Chemical
25
19
20
Poor Disposal of Waste
23
10
18
Noise from Machines
20
9
17
Release of Smokes
24
15
18
TO USE ANOVA, APPLY
SSt=Sum of Square total
Ssw=Sum of square within
SSb=Sum of Square between
Assign X1, X2 and X3 to the various zones
X1
X12
X2
X22
X3
X32
25
625
19
361
20
400
23
529
10
100
18
324
20
400
9
81
17
289
24
576
15
225
18
324
n1 = 4
ΣX1 = 92
ΣX12 = 2130
X1 = 23
n2 = 4
ΣX2 – 53
ΣX22 = 767
X2 = 13.3
n3 = 4
ΣX3 = 73
ΣX32 = 1337
X3 = 18.3
Ho: There is no variation of industrial Air Pollution in the study Area. Calculate the F – ratio and use it to test for the significant difference
SSt – ΣX2 = (ΣX)2
N
ΣX2 = ΣX12 + ΣX22 + Σ32
= 2130 + 767 + 1337 = 4234
N = n1 + n2 + n3
= 4 + 4 + 4 = 12
ΣX = ΣX1 + ΣX2 + ΣX3
= 92 + 53 + 73 = 218
SSt=4234 – (218)2
12
SSt = 4234 – 3960 = 273.7
To get SSb
SSb = ( X1)2 + ( ΣX2)2 + (ΣX3)2 – ( ΣX)2
n1 n2 n3 N
(92)2 + (53)2 + (73)2 – (218)2
4 4 4 12
(2116 + 702.3 + 1332.3) – 3960.3
4150.6 – 3960.3
SSb = 190.3
To get SSw
SSw = SSt – SSb
273.7 – 190.3
SSw = 83.4
Determine the F – ratio
F = MSb
MSw
Where MSb = Mean Square between
MSw = Mean Square Within
Firstly, dfb (df between) = K – 1
Where K = number of groups
dfb = 3 – 1 = 2
Secondly, dfw (df within) = N – K
Where N = Number of subjects
dfw = 12 – 3 = 9
df total = N – 1
12 – 1 = 11
MSb = SSb = 190.3
dfb 2=95.2
Then MSw = SSw= 83.4
dfw 9=9.27
F = MSb = 95,2
MSw 9.27=10.27
The calculated F-ratio must be larger than the theoretical F-ratio to reject the hypothesis.
At 0.05 level of confidence,
Theoretical F = 4.26
Calculated F = 10.27
Therefore, there is variation of industrial Air Pollution in the study area.
APPENDIX 2
THE EFFECTS OF INDUSTRIAL AIR POLLUTION IN THE STUDY AREA
Effect of Industrial Air Pollution
Zone A
Zone B
Zone C
Restlessness
20
10
21
Persistent cough and chest pain
20
10
20
Eye Irritation
21
20
20
Asthmatic patient
20
19
19
X
X1
X12
X2
X22
X3
X32
20
400
10
100
21
441
20
400
10
100
20
400
21
441
20
400
20
400
20
400
19
361
19
361
n1 = 4n2 = 4n3 = 4
ΣX1 = 81ΣX2 = 59ΣX3 = 80
ΣX12 – 1641 ΣX22 = 961ΣX32 = 1602
X1 = 20.3X2 = 14.8X3 = 20
SSt = ΣX2 = ( ΣX)2
N
ΣX2 = ΣX12 + ΣX22 + ΣX32
1641 + 961 + 1602 = 4204
N = n1 + n2 + n3
= 4 + 4 + 4 =12
ΣX = ΣX1 + ΣX2 + ΣX3
= 81 + 59 + 80 = 220
SSt = 4204 – (220)2
12
SSt = 4204 – 4033.3 = 170.7
To get SSb
SSb = ( ΣX1)2 + ( ΣX2)2 + ( ΣX3)2 – ( ΣX)2
n1 n2 n3 N
(18)2 + (59)2 + (80)2 – (220)2
4 4 4 12
1640.3 + 870.3 + 1600 – 4033.3
4110.6 – 4033.3
SSb = 77.3
To get SSw
SSw = SSt – SSb
170.7 – 77.3 = 93.4
F = MSb
MSw
dfb = 3 – 1 = 2
dfw = 12 – 3 = 9
MSb = SSb – 77.3
dfb 2 =38.7
MSw = SSw = 93.4
dfw 9=10.4
F = MSb=38.7
MSw10.4
Theoretical F = 4.26
Calculated F = 3.72
1
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