I am a Certified Industrial Hygienist with over 40 years of experience in all aspects of industrial hygiene and environmental engineering. I carry a certificate in industrial hygiene and have also worked extensively in many aspects of engineering, process development, failure analysis, materials science, thermal and mechanical stress, heat transfer, vibration, radiation, chemical processes and analytical chemistry and noise and oil field technologies. I either hold the patents or technical disclosures for many processes and machines used in our current high tech industry.