mp, they already have a random drug and alcohol program running in the us,done at the end of the shift to see if you have been "sipping" on the job, they tell me some of the good mouth washes can get a reading. if you have, i suppose that they take the a/c apart again to check your work? there's mention of it happening here in oz. i know that there is drinking after work but it's very rare to see people drunk on the job.makes pollies look good, i suppose dreaming these things up.