Teck;
Cominco;
Metals;
Ltd.;
Product;
Technology;
Centre,;
2380;
Speakman;
Drive;
Mississauga,;
Antario,;
Canada;
L5K;
1B4;
S.;
Alhassan;
and;
F.;
E.;
Goodwin;
International;
Lead;
Zinc;
Research;
Organization,;
Inc.;
2525;
Meridian;
Parkway,;
Suite;
100,Durham,;
NC;
27713,;
USA;
