Notice to Employees: Standards for Protection against Radiation View cart ““Caution: Radioactive Work Room” Sign” has been added to your cart. $0.00 This must be posted in every establishment where employees are employed in activities regulated by the California Radiation Control Regulations Notice to Employees: Standards for Protection against Radiation quantity Add to cart Categories: Complimentary; Posters, Stickers, and Signage; Radiation Safety Supplies Related products Storage Group Poster (Laminated) $0.00 Add to cart Biohazard Label (3″H x 2-1/4″W) $0.00 Add to cart Surplus Chemical Label $0.00 Add to cart “Disposal of Sharps and Broken Glass” Poster $0.00 Add to cart