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Information on the Regulatory Treatment of Styrene


Regulatory Risk Assessment

In 1994, styrene was assessed for toxicity by the two Federal government agencies (Environment and Health Canada) responsible for administering the Canadian Environmental Protection Act (1988). The assessment concluded that the levels of styrene found in the Canadian environment do not pose a threat to human health or the environment upon which human health depends. The assessment of styrene is ongoing in relation to the environment.

Worker Exposure Limits

Provincial governments are responsible for worker safety issues including the setting of occupational exposure limits. Most of the provinces have set the occupational exposure limit for styrene at 50 ppm, without personal protective equipment.

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