10. Comments on the Environmental Impact
Assessment (EIA) study on the
Proposed Waste
to Energy (WTE) Plant at La Chaumière.
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10.8 Socio Economic Impacts
The EIA report contains a section supposedly to review the Potential Social, Cultural and Socio economic issues. The report even suggests that in the absence of local guidance on how to carry an impact assessment on the social, cultural and economic issues, it has made use of the latest IFC guidance notes57.
IFC Performance standards on social and environmental assessment establish the
importance of:
(i) Integrated assessment to identify the social and environmental impacts, risks,
and opportunities of project;
(ii) Effective community engagement through disclosure of project-related
information and consultation with local communities on matters that directly
affect them; and
(iii) The Client’s management of social and environmental performance
throughout the life of the project.
Unfortunately neither the identification of social and economic impacts as elaborated
in the said IFC document is addressed in the review section of the EIA report nor the
output expected from the said assessment.
To illustrate the misuse of the IFC document, two examples are given below:
o It is stated in the IFC document that the assessment will be an adequate, accurate and objective evaluation and presentation of the issues, prepared by qualified and experienced persons58.
o As part of the assessment, the Client will identify individuals and groups that may be differentially or disproportionately affected by the project because of their disadvantaged or vulnerable status.
The EIA report has not even identified the economic activities and social vulnerability of the persons associated with these economic activities.
Hence one would have expected that the EIA report, in conformity to the requirements of the IFC document, provides a detailed of agricultural and farming activities in the immediate vicinity of the Site. The vegetable growers and pig breeders are the most vulnerable groups and the following details are reported by Carl Bro:
• To the immediate north of the site is the new St. Martin Wastewater Treatment
Plant (Lot no. 5), designed for a population equivalent of about 150,000 and
expected to come into operation in 2004;
• Lot no. 2 is 25 acres of land vested in the Ministry of Commerce and Co-
Operatives for a piggery relocation project and occupied by 50 illegal
squatters;
• Lot no. 1 is land under the control of Ministry of Agriculture, Food
Technology and Natural Resources and part of it is also occupied by illegal
squatters;
• Lot no. 3. is 10 acres of land leased to the Plaisance Pig Credit and Marketing
Cooperative Society Ltd for a pig farm;
• Lot no. 4 is the Regional Co-operative Office of the Ministry of Commerce and
Co-Operatives;
• Further north are the sugar cane plantations of the Medine Sugar Estate and
some private planters;
• To the immediate northeast of the site is a mixed residential/agricultural land
use area (Lot no. 6). This Lot is leased by the Ministry of Commerce and Co-
Operatives to small-scale vegetable growers forming part of the St. Martin
Cooperative Society. There are also some pig breeding activities. According
to a site survey in October 2003 there are about 40 plots of land, 17 of which
had buildings erected on them. Most of the buildings seemed to be used for
residential purposes and a few for storage purposes ;
• On the eastern boundary of the site is private property land belonging to
SODIA used for cattle breeding and poultry rearing;
• Bordering the site on the western and southern boundary (Lot no. 7) is land
leased to SODIA for cattle grazing;
• About 1 km south east of the site is the La Chaumiere agricultural site where
significant vegetable production is carried out.
Despite the claims of the EIA report that gaseous emissions will have no impact on
the environment, it is well known that areas underneath the emission plumes of a
MSW incineration plant are more impacted because pollutants from the stack are
more likely to reach the ground closer to the MSW Incinerator. The impacts on the
agricultural and farming activities should have been evaluated as the livelihood of the
small farmers and vegetable growers is at stake.
Furthermore the EIA report should have also addressed socio economic impacts on a
regional and national basis. The economic development that has started in the region
viz. construction of Club Med, aquaculture project, IRS Projects at Bambous and
Albion, commercial centre at Canot, etc. The tourism sector at large as it will be
difficult to allay the fears of tourists that the food they are consuming are not
contaminated with the highly toxic compounds that emanate from a waste
incinerator.
It is not surprising that in view of the shortcomings of the EIA report on the
identification of the socio economic impacts of the proposed WTE Plant on the
immediate vicinity of the Site, mobilisation of public opinion against the Project has
been gathering momentum in recent weeks.
10.9 Conclusions
10.9.1 The EIA report is based on two main uncertainties, namely:
• The characteristics of the waste still need to be confirmed;
• The characteristics and quantities of the various pollutants in the gaseous,
liquid and solid waste streams generated by the proposed WTE Plant are
unknown and these are strongly dependent on the waste characteristics and
nature of the solid waste.
10.9.2 Impact assessment depends in general on identifying releases of significance,
assessing the exposure of the general population/ecosystems and specific
subgroups thereof and then using these data to assess the risks of a negative
impact or health impact. If the data used in any of the steps are inadequate, then
inevitably the risk assessment is flawed.
For example, the EIA report has attempted to assess the impacts of gaseous
emissions, waste by products and release to the water environment. The data used
to carry out such assessment are not based on the actual waste characteristics but as in the case of gaseous emissions on the maximum gaseous emission
standards as per EU Directive.
10.9.3 Furthermore it is shown that many statements in the EIA report that purportedly
tried to demonstrate the no/minimal impact of a particular activity have been
undermined by the information already published and freely available in the
academic and scientific literature.
10.9.4 The EIA report has failed to demonstrate that:
• The risks of air pollution can be satisfactorily mitigated although the EIA
report has adopted stricter air emission as per EU Directive and intends to
use state of the art air pollution control systems. The EIA fails to recognise
that proper control of air emissions requires more than the presence of state
of the art air pollution control technologies.
• There are no risks, as claimed in the report, of pollution of the underground
water as well as surface waters. This is because the EIA does not consider
that the residues from a WTE Plant as toxic despite reports on the contrary.
• The EIA report also fails to report that the local aquifer already provide
potable water for the local vicinity as well as supplementing the Port Louis
water supply network at a rate of 5000m3/d. Water is becoming a scarce
resource in Mauritius and once contaminated by the toxic substances and
compounds from the residues, the underground and surface waters cannot
be exploited either for potable or irrigation uses.
• The small planters of the western coast, the pig growers of St Martin, the
vegetable growers, the poultry farms, the cattle feedlots as well as other
agricultural and meat producers of the region will not be affected directly.
• The economic development that has started in the region viz. construction
of Club Med, aquaculture project, IRS Projects at Bambous and Albion,
commercial centre at Canot, and the tourism sector will not be affected. The report fails to allay the fears of tourists and the population at large that
the food will not be contaminated with the highly toxic compounds that
emanate from a waste incinerator.
10.9.5 The EIA report on account of its major shortcomings cannot be used as a decision making tool by the Authorities. Hence on the basis of the precautionary principle, the application for the EIA licence must be rejected.
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57 IFC Guidance Notes: International Finance Corporation (IFC) Performance Standards on Social & Environmental
Sustainability (April 30, 2006)
58 Paragraph (7) of Performance Standard 1: Social and Environmental Assessment and Management Systems. IFC
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