Go to that site and find the link for "use time table". There's an explanation of how far back each method can test for. ie saliva test is 24-48hrs for green. Figure out which test applies to your situation and prepare accordingly. Best of Luck, I'm sure you'll do fine.
No problem,
There's a shampoo product to clean your hair. Foliclean I think it's called. passyourdrugtest.com (google it) has it and a lot of pretty good info about the dreaded whiz quiz. Turns out the test is actually on the oil in your hair. The hair acts like a sponge holding it. This...