It sounds utterly unlikely, we know, but these days you’ve got to check the sell-by date on bags of cement. Why? Because new European legislation controlling chromium (VI) levels came into effect last month. Many cements naturally contain chromium (VI) which causes skin problems for some workers. The Chromium (VI) Directive stipulates levels of soluble chromium (VI) of no more than two parts per million. This means that small amounts of agents need to be added to control the quantity of soluble chromium (VI). Which leads us neatly to the reason behind the sell-by date. These agents have a shelf life of only 61 days, so after that point the level of chromium could shoot up again. Find out more at

www.cementindustry.co.uk.

Source

Construction Manager