Abstract
AbstractQuartz, asbestos and chromium (VI) compounds can be found again and again in tunnel construction, especially quartz dust is an everyday companion at tunnel construction sites in Austria. The dusts from quartz, asbestos and chromium (VI) compounds are clearly carcinogenic, so measures to avoid and minimize dust exposure for employees are accordingly important. In the 2021 limit value ordinance, the limit value for fine quartz dust was reduced to 0.05 mg / m3, i.e. to a third of the previous value. Reaching this limit value represents a new challenge for everyone involved in underground projects, and the new RVS 09.01.53 is meant to provide a guideline for the planning of appropriate protective measures. The RVS 09.01.53 is expected to be published in autumn 2021.
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