Just wanted to write one last time to say thanks for the very helpful info. And just wanted to say that it has been over two weeks since i dropped the test at lab corp. i had started work with the company before i was drug tested. I was told by the lab corp employee that it would be sent to my employers within 72 hours. So i waited.... and waited... but no news is good news.. Its been two weeks and im still workin so im a happy person. thanks again and good luck to all else who choose to use this option just read up and practice