Alan Bailes was given a random saliva test for drugs after day driving bus . He was shocked when test was positive for cocaine and he was sacked . Mr Bailes paid for a hair follicle test because he wanted to prove innocence . This £88 per cent test showed he had had no drugs in his system for 90 days . Saliva test is believed to have picked up cocaine he handled on banknotes . Research has found 440 of bank notes contain traces of cocaine . Mr Bailes won his employment tribunal and a five-figure payout from First .
Alan Bailes was given a random saliva test for drugs after day driving bus . He was shocked when test was positive for cocaine and he was sacked . Mr Bailes paid for a hair follicle test because he wanted to prove innocence . This £440 test showed he had had no drugs in his system for 90 days . Saliva test is believed to have picked up cocaine he handled on banknotes . Research has found 88 per cent of bank notes contain traces of cocaine . Mr Bailes won his employment tribunal and a five-figure payout from First .