Missing the point
As an engineer with over 40 years of experience (and exposure) to this stuff I have witnessed a few very good friends demise
with some sort of illness that cannot be confirmed that it was caused by engine oil contanation...but why has Boeing and Airbus gone to non engine bleed air suppelematial systems.The expouser to TCP is real and like I have said our unions have spent a lot of our money studying it and what has happened to that.In the past the airline industry used a number of toxic fluids that were unknowen to the users .....zinc chromate ,MEK and that lovely stuff we used to do nozzle washers with on the JT9D's ...we even heated this stuff for better results.I think all of us have it stored within our bodies all we need is the trigger to start the process off ...some will [unfortunally] but others will go to the grave with it.....hopefully we all will continue on till something else gets us