I had a blue box built around my Oriel UV source. Never forgot to wear my goggles. Never stuck live hands under the "sun". A high power ventillation to suck off the ozone helped. Just a few tips that should help. Robert. -- Robert S. Okojie, PhD Research and Development Visteon Automotive Systems Ford Microelectronics 9965 Federal Drive, Colorado Springs, CO 80921-3698 Phone:(719)528-7727; Fax: (719)528-7529