Electrofusion Products BerylliumBeryllium AcousticsAcoustic Domes and RibbonsTruextent SSX Diaphragm Beryllium X-ray Window AssembliesX-ray IF-1 X-ray IS-50M X-ray PF-60 X-ray PS-200 Vacuum - UHV AssembliesBeryllium Beam PipesCF Flange AssembliesCatalog CF Flange AssembliesCustom Engineered CF Flange AssembliesUHV Research Chambers Materion BrandsIF-1®IS-50M®PF-60®PS-200®SSX™Truextent® ServicesTechnologiesMarketsResource CenterAboutContact Us Electrofusion Home Resource Center Environmental Health & Safety Interactive Guide to Working S... Use the link below to enter the online version of the Interactive Guide to Working Safely with Beryllium and Beryllium-containing Materials. This Interactive Guide was created to provide employers and employees throughout the supply chain with guidance to working safely with beryllium and beryllium-containing materials. Interactive Guide to Working Safely with Beryllium and Beryllium-Containing Materials