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The Styrene Industry’s 20ppm Recommended Styrene Worker Exposure Limit

The Styrene Industry’s 20ppm Recommended Styrene Worker Exposure Limit. Briefing and F eedback. History of S tyrene W orkplace E xposure L imit. History of S tyrene W orkplace E xposure L imit ( cont .). Why is the SIRC recommendation important?.

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The Styrene Industry’s 20ppm Recommended Styrene Worker Exposure Limit

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  1. The Styrene Industry’s20ppm Recommended Styrene Worker Exposure Limit Briefing and Feedback

  2. History of Styrene Workplace Exposure Limit

  3. History of Styrene Workplace Exposure Limit (cont.)

  4. Why is the SIRC recommendation important? • The best available scientific review • Based on multiple studies of workers and laboratory animals • Concluded that long-term workers exposed above 30ppm (inhalation) may suffer a mild acceleration of normal age-related hearing loss • Cal-OSHA and US OSHA are likely to acceptthe SIRC recommendations as a starting point in PEL updates • Both agencies have styrene on a target list for updates

  5. Options for Companies • Evaluate compliance options: • Process and chemistry changes • Production floor reconfiguration • Ventilation design • Job rotation • Respiratory protection, including new technologies • Participate in industry discussion

  6. ACMA's Immediate Response to OEL • Inform the industry of the SIRC action • ACMA asked SIRC to include a "3-5 year phase-in period" for compliance with 20ppm • Help the industry evaluate compliance options • Webinars • Special programming at COMPOSITES • Collect industry input to inform ACMA Board response to OEL

  7. Questions? Comments? Suggestions?

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