A proper foundation does more than just hold a house above ground. It also keeps out moisture, insulates against the cold, and resists movement of the earth around it. Oh, and one more thing: It should last forever. No wonder builders like This Old House general contractor Tom Silva take foundations seriously. Without a good one, he says, you're sunk.. For Tom, good means steel-reinforced foundation walls and footings made of poured concrete.
As a rough guide it takes about 5.5 half lives for a drug to be out of your system. For adderall then it would take just over 2 days for a dose to be out of your system. (5.5 x 10 = 55 hours - which is just over 2 days) You should allow for longer (7 days) if you have taken adderall frequently and at high doses.
How long will a dosage of 30mg of Adderall stay in your bloodstream, and urine?