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Summary: Presented at the 2001 National Association of Abandoned Mine Land Programs Annual Conference, August 19-22, Athens, Ohio
Monitoring at the Lorraine Mine Site:
A Follow-Up on the Remediation Plan
Anne-Marie Dagenais*, Michel Aubertin (*also URSTM, Rouyn-Noranda (Qué))
Dept. CGM, École Polytechnique, CP 6079 Centre-Ville, Montréal (Qué) H3C 3A7
Bruno Bussière
UQAT-URSTM 445, boul. De L'Université, Rouyn-Noranda (Qué) J9X 5E4
Louis Bernier
Géoberex Recherche, 236, 24e
Avenue Ile Perrot (Qué) J7V 4M9
Johanne Cyr
MRN, 5700, 4e
Avenue Ouest (A-213), Charlesbourg (Qué) G1H 6R1
ABSTRACT
The Lorraine mine site, located in the Témiscamingue region, Québec, Canada, was operated
from 1964 to 1968, generating approximately 600,000 tons of tailings disposed in a pond area
making 15.5 hectares. These tailings, exposed to atmospheric conditions for 30 years, have
oxidized and are generating acid seepage. In 1998, the Québec Ministry of Natural Resources
(MRN), who owns the site, decided to do rehabilitation work to limit the environmental impact
from acid mine drainage. A five steps remediation program was commissioned in 1998 and
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