TNO has tested control measures for sanding hardwood.
The hazardous substance management plan is as follows (in order of effectiveness):
Step 1: Choose softwood instead of hardwood materials.
Step 2: Choose to build PREFAB.
Step 3: Choose dust-free processes an tools.
TNO has tested one dust-free process for sanding. The test specifications are a space volume of 15 m3, ventilation of 150 m3/h and 100% power-on time of the tool.
The concentration of substance is measured in the employee's respiratory zone
Excess factor: 65 times limit hardwood dust
Prevention factor (PF): 200 - 1.400
Concentration of hardwood dust at workplace below limit value (2,0 mg / m³).