Wonder whether the system is set up to catch Guiness thrown up from drunk revellers getting into the water supply...

@Evolution8

Quote "it did not really expect to have to spot ammonia and now has to send water samples off site."

The water used in waffer production usually is so pure that drinking it could oxidize your blood, I wonder why they couldn't purify the water inside of the plant...

and other asian countries? - not really known for clean environment but surely they make chips there. what's the difference?