External Verification

Companies Undergoing External Verification in 2022

In 2022, the following companies will undergo external verification of TSM performance. Communities of interest with information relevant to the external verification process for a particular facility are encouraged to contact the verifier with this information. As verifiers are identified for the below scheduled verifications, their contact information will be added alongside that of the company being verified.

Eldorado Steven Raduy, Managing Director, PWC (604) 806-7200

Glencore Nickel (Sudbury) – Katherine Lampen, Partner, Deloitte, LLP, +44 7917 013948,; Rosie Woodall, Senior Manager, Deloitte LLP, +44 7917 235319,

Hecla Ross Szwec, Consultant principal et associé, EEM Gestion ESS inc., 514-250-4474,

Hudbay Minerals – Robert Duda, Safety Sciences Management Consulting Inc. (705) 733-5350

Newmont Mining (Porcupine, Musselwhite) – John O’Donoghue, Partner, PwC, +61 (3) 8603 3067,

Pan American Silver – Glenn Keays, Technical Director, ERM Consultants Canada Ltd. (514) 825-7486,


Suncor – Robert Duda, Safety Sciences Management Consulting Inc. (705) 733-5350

Teck (Greenhills, Trail, Elkview, Fording River) – Hilary Fife, PricewaterhouseCoopers LLP (416) 687-9025

Vale – Dianne S. Rubinoff, Rubinoff Environmental Inc. (416)-488-5032

Yamana Gold – Guy Gilron, Borealis (778) 877-0690

TSM Verifier Training

Individuals interested in becoming TSM verifiers can complete the TSM online training program at their own pace or register for the Mining Association of Canada’s annual verifier training workshop. 

TSM Verification Guide

In December 2021, the Mining Association of Canada published new policies and guidance realted to the TSM external verification process. The new TSM Verification Guide provides verifiers with guidance on expectations related to the verification process, and includes in appendices an updated Terms of Reference for Verifiers, a new Verification Oversight Policy, and a template for a public Verification Summary Report.

TSM Terms of Reference for Verifiers

To become a TSM Verifier, qualified individuals must meet meet the conditions outlined in the TSM Terms of Reference for Verifiers.

List of TSM Verification Service Providers

Contact details for qualified TSM verifiers are made available on this public list.

TSM Verification Oversight Process

The TSM verification oversight process aims to ensure that active verifiers conform with the Terms of Reference for Verifiers and that they demonstrate sound interpretation and application of TSM protocol requirements. The process includes direct oversight of verifiers, a general evaluation of effectiveness of certain elements of TSM verification, and an annual report to share findings and recommendations.

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