Ask a Question about WHMIS for Workers

Before you ask a question, please check the questions and answers in OSH Answers to see if the information you are looking for is already available.

If you do not find an answer to your question in OSH Answers, ask CCOHS by filling out the form below. CCOHS staff will respond to your question by e-mail. Our office is open Monday to Friday, and closed on Canadian public holidays.

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