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  Trade Information

Hazardous Materials Worker

A Hazardous Materials Worker identifies, removes, packages, transports and disposes of hazardous materials such as asbestos, mould, lead, mercury, and other biological harzards. Specifically, a Hazardous Materials Worker:

  • mobilizes site enclosures
  • pre-cleans work areas
  • builds work area enclosures
  • sets up decontamination chambers and waste chutes
  • removes and cleans hazardous material
  • dismantles work area enclosures and decontamination chambers
  • performs post tear-down clean
  • de-mobilizes site enclosures
  • performs routine inspections
Apprenticeship Resources
Becoming a Hazardous Materials Worker in Ontario (PDF)
Schedule of Training (PDF)
Exam Counselling Sheet (PDF)

APPRENTICESHIP PROGRAM

An apprenticeship training program consists of on-the-job and in-school training. Generally, the time-frame to become competent in the trade of Hazardous Materials Worker is 3,000 hours (approximately one and a half years) consisting of 2,898 hours of on-the-job work experience and 102 hours of in-school training. 

ON-THE-JOB TRAINING

An apprenticeship involves practical training provided on-the-job by a skilled worker, or trainer. The skills or competencies to be developed are set out by the trade’s Apprenticeship Training Standard and are recognized by the industry as being essential to the practice of the trade.

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.

IN-SCHOOL TRAINING

A Hazardous Materials Worker apprenticeship includes one level of theoretical training, which includes but is not limited to instruction in:

  • worker protection and hygiene practices
  • biological hazards
  • hazard protection and equipment
  • physical hazards
  • site isolation
  • asbestos types 1, 2 and 3
  • abatement operations
  • environmental protection
  • inspections

Depending on the training delivery agency, in-school training may be available in one of the following ways:

  • block release (full-time, for a set number of weeks)
  • day release (one day per week from September to June)
  • part-time (night-school programs)
  • alternative delivery (online, correspondence, etc.)

Hazardous Materials Worker is a trade named under the Building Opportunities in the Skilled Trades Act, 2021.

This trade has an apprenticeship program that is administered by Skilled Trades Ontario. Upon completion of an apprenticeship program, Skilled Trades Ontario issues a Certificate of Apprenticeship.

This trade has a certifying exam. When the certifying exam is passed, Skilled Trades Ontario will issue a Certificate of Qualification in this trade. Because this trade is non-compulsory, this certificate does not have to be renewed, and the information of individuals practicing this trade will not appear on the Skilled Trades Ontario Public Register.

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.

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  • Accountability and corporate reports
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About trades

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  • Work in the compulsory trades
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Apprenticeship

  • Start an apprenticeship
  • Current apprentices
  • Finish an apprenticeship
  • Provisional Certificate of Qualification
  • Sponsor an apprentice
  • What parents need to know

Experienced workers

  • Recognized Canadian Certificates
  • Trade Equivalency Assessment
  • Canadian Forces

Certification

  • Exam eligibility
  • Exam scheduling
  • Exam resources
  • Certificate of Qualification

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