Overboard and redo the coving
...safety in mind:RpS_biggrin:..........
...or wet it, scrape it (mask on)... and skim it ,, to keep the cove:RpS_cool:....
Non safety method:RpS_scared:...
..or ultra safe.....run away and tell them to get it tested :RpS_thumbsup:......
the decision is yours