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Merrell Dow Pharmaceuticals 1963-64, Pharmaceutical Chemist; Rohm and Haas Company, 1965-76, Research and Development Manager; Celanese Chemical Company, 1976-81, Marketing/Technical Development Manager; CPS Chemical Company, 1981-82, Commercial Development Manager; Armbruster Associates, March 1982-, President.

– Certified Industrial Hygienist, comprehensive practice, 1990. #4699 – Radiation Safety Officer. Radiation Safety Academy, 2005. – AHARA & LDEQ Asbestos Project Designer and Inspector (expired) – NELAC & LDEQ Environmental Laboratory assessor – ISO-9001:2015 Lead Auditor – Amateur Radio …

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