cool. thx for replying back - maybe i&#x27;m a bit sensitive about this sort of thing but i&#x27;m tired of seeing students put in dangerous situations and then if&#x2F;when something bad happens they&#x27;re labelled &#x27;professionals&#x27; and their supervisor walks off scott free.  once i got out of academia and did some real H&amp;S training and assessments I was amazed at how badly I&#x27;d been trained over a decade or so of chem.