vtdreaming

Howdy All, I have a question I was hoping someone out there could help me with...I am applying for a job that does" drug/alcohol screening" on all applicants. My questions are as follows: Do they test for drugs and alcohol on the same test??? I realize the alcohol part is off topic but I am concerned this means a blood test, if indeed they do both with just one test. The 2nd question is: This is a company that does work for the Govt, which type of test will likely be given, and is it more stringent than a basic pre-employment test. 3rd ?: if it is a govt test, will subbing be an option??? Thanks all, have a great weekend!! Dreaming