At a glance

Licence status
Voluntary certification See the source
Annual fees
Not stated by the regulator Check with Skilled Trades Ontario

Your roadmap

Trained in Canada

  • 6 steps without a listed fee
  1. The applicant begins an apprenticeship training program in the trade, which combines on-the-job and in-school training.

    Source
    “An apprenticeship training program consists of on-the-job and in-school training.”
    skilledtradesontario.ca/trade-information/hazardous-materials-worker
  2. The apprentice completes the on-the-job work experience set out in the Apprenticeship Training Standard, with the sponsor or trainer signing off on the skills as they are demonstrated.

    Source
    “As these essential skills are developed, the apprentice’s sponsor or trainer signs the relevant sections of the training standard to indicate that the apprentice has met the individual training objectives by demonstrating the skills required of a skilled worker, or journeyperson, in the trade.”
    skilledtradesontario.ca/trade-information/hazardous-materials-worker
  3. The apprentice completes one level of theoretical in-school training covering topics such as worker protection, biological hazards and abatement operations.

    Source
    “A Hazardous Materials Worker apprenticeship includes one level of theoretical training, which includes but is not limited to instruction in:”
    skilledtradesontario.ca/trade-information/hazardous-materials-worker
  4. Upon completion of the apprenticeship program, Skilled Trades Ontario issues a Certificate of Apprenticeship.

    Source
    “Upon completion of an apprenticeship program, Skilled Trades Ontario issues a Certificate of Apprenticeship.”
    skilledtradesontario.ca/trade-information/hazardous-materials-worker
  5. The applicant passes the certifying exam for the trade.

    Source
    “This trade has a certifying exam. When the certifying exam is passed, Skilled Trades Ontario will issue a Certificate of Qualification in this trade.”
    skilledtradesontario.ca/trade-information/hazardous-materials-worker
  6. After passing the certifying exam, Skilled Trades Ontario issues a Certificate of Qualification in the trade.

    Source
    “When the certifying exam is passed, Skilled Trades Ontario will issue a Certificate of Qualification in this trade.”
    skilledtradesontario.ca/trade-information/hazardous-materials-worker

Listed fees for this route

No one-time fees listed by the regulator for these steps Check with Skilled Trades Ontario

6 steps without a listed fee, so the total may not be the full cost.

Licensed in another province

  • 3 steps without a listed fee
  1. The applicant finds a sponsor in Ontario.

    Source
    “1. Find a sponsor in Ontario.”
    skilledtradesontario.ca/apprenticeship/current-apprentices
  2. The applicant applies for an apprenticeship program in Ontario and checks off the section of the form indicating they have completed training in another province.

    Source
    “Apply for an apprenticeship program in Ontario. - On your application you will need to check off the section of the form that you have completed training in another province.”
    skilledtradesontario.ca/apprenticeship/current-apprentices
  3. Skilled Trades Ontario contacts the applicant to verify their out-of-province training after the application has been submitted.

    Source
    “Skilled Trades Ontario will contact you to verify your out-of-province training after you have submitted your application.”
    skilledtradesontario.ca/apprenticeship/current-apprentices

Listed fees for this route

No one-time fees listed by the regulator for these steps Check with Skilled Trades Ontario

3 steps without a listed fee, so the total may not be the full cost.

Requirements

Other

  • Hazardous Materials Workers in Ontario also require an Asbestos Abatement Worker Certificate issued by the Ministry of Labour, Immigration, Training and Skills Development.

    Source
    “In accordance with the Occupational Health and Safety Act, 1990, Hazardous Materials Workers in Ontario also require an Asbestos Abatement Worker (253W AAW) Certificate issued by the Ministry of Labour, Immigration, Training and Skills Development.”
    skilledtradesontario.ca/trade-information/hazardous-materials-worker

Already licensed in another province?

Not stated

The pages describe how registered apprentices from another province or territory may get credit for their training in Ontario, but do not state whether a certified worker can register based on their current licence without retaking the entry-to-practice exam.

Source
“If you’re a registered apprentice in another province or territory, you may get credit for your training in Ontario.”
skilledtradesontario.ca/apprenticeship/current-apprentices

Processing time: Not stated by the regulator Check with Skilled Trades Ontario

Check a move between two provinces

Credential assessment

Not stated by the regulator Check with Skilled Trades Ontario

Exams

Language tests

Not stated by the regulator Check with Skilled Trades Ontario

Compare scores across provinces and professions

Canadian experience

Not stated by the regulator Check with Skilled Trades Ontario

Supervised practice

Not stated by the regulator Check with Skilled Trades Ontario

Demand and pay

No Job Bank wage or outlook data for this occupation yet.

Hazardous materials workers in other provinces and territories

  • British Columbia Not confirmed yet
  • Alberta Not confirmed yet
  • Saskatchewan Not confirmed yet
  • Manitoba Not confirmed yet
  • Quebec Not confirmed yet
  • New Brunswick Not confirmed yet
  • Nova Scotia Not confirmed yet
  • Prince Edward Island Not confirmed yet
  • Newfoundland and Labrador Not confirmed yet
  • Yukon Not confirmed yet
  • Northwest Territories Not confirmed yet
  • Nunavut Not confirmed yet

Compare hazardous materials worker licensing across Canada

Sources checked

  1. Hazardous Materials Worker - Skilled Trades Ontario skilledtradesontario.ca/trade-information/hazardous-materials-worker · fetched October 11, 2026
  2. Current apprentices - Skilled Trades Ontario skilledtradesontario.ca/apprenticeship/current-apprentices · fetched October 10, 2026

Frequently asked questions

2

Do you need a licence to work as a hazardous materials worker in Ontario?

No. Certification is available, but it is not required to work in the trade in Ontario. Certification is managed by Skilled Trades Ontario.

Which exams are required?

certifying exam.

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