Rio Tinto Alcan successfully completes rehabilitation of Pramont industrial residue disposal site

    MONTREAL, Sept. 30 /CNW Telbec/ - Rio Tinto Alcan has successfully
completed its rehabilitation of the Pramont industrial residue disposal site
in the Valais region, which is now integrated into a regional framework for
environmental protection on the left bank of the Rhône River between Sierre
and Granges, Switzerland.
    "This rehabilitation is the outcome of eight years of hard work and
regional collaboration, of which we are very proud to have been a part" said
François Veuthey, Rio Tinto Alcan's director of the Valais industrial
rehabilitation and redeployment project. "This project is also a concrete
example of our company's commitment to sustainable development."
    Pramont was formerly used as an aluminium industry disposal site, with
residual material from electrolytic cells being stored there for a number of
years. Controls now show a substantial overall improvement in the quality of
downstream groundwater and that new ecosystems are developing on the Pramont
    The project involved collaboration between Rio Tinto Alcan and local,
cantonal and federal authorities as well as Greenpeace and WWF, global
conservation organisations. The rehabilitation project included three other
regional landfills in addition to environmental work at the Pramont site and
cost approximately 20 million Swiss francs ((euro)12.5 million or
US$18.25 million).

    About Rio Tinto

    Rio Tinto is a leading international mining group headquartered in the
UK, combining Rio Tinto plc, a London and NYSE listed company, and Rio Tinto
Limited, which is listed on the Australian Securities Exchange.
    Rio Tinto's business is finding, mining, and processing mineral
resources. Major products are aluminium, copper, diamonds, energy (coal and
uranium), gold, industrial minerals (borax, titanium dioxide, salt, talc) and
iron ore. Activities span the world but are strongly represented in Australia
and North America with significant businesses in South America, Asia, Europe
and southern Africa.

For further information:

For further information: Rio Tinto Alcan, Switzerland: François Veuthey,
+41 (0)79 227 91 81,; Rio Tinto Alcan Media
Relations, Europe: Jacques Dubuc, +33 (0) 4 76 57 89 29,; Rio Tinto Alcan Media Relations, Canada: Stefano
Bertolli, +1 514 848 8151,;

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