safety 99 Step 1 provides a list of materials that contain silica and help for users who may not be sure if a material contains silica. For each material selected, the user is given a list of tasks to select from â€“ they can select as many combinations of materials and tasks as appropriate for the job.
99 Step 2 automatically lists all of the materials and task selections made in Step 1. A list of options for controlling the dust is generated for each combination along with a link to examples of commercially available controls (the default control is respiratory protection). If a user is not sure which control to use there are three options for learning more including how to select controls.
| b ric kl aye rs and a lli ed cra f t work e r s
bricklayers union and allied craftworkers