Silica Control of exposure to silica dust: A guide for employees Using cut-off saws: A guide to protecting your lungs COSHH Guidance Brick and tile making: Silica - BK series Construction: Silica - CN series Ceramics: Silica - CR series Foundries: Silica - FD series Manufacturing: Silica - MN series Quarries: Silica - QY series Stonemasons: Silica - ST series