09-09-2021, 06:39 PM
(09-09-2021, 05:48 PM)Sled21 Wrote: What kind of test. Urine is about a month. If they pull hair it can be something like a year. Toyota uses hair, or at least they used to.
This is what I was going to write. Depends on the type of test. And how sensitive the test is. In general, the more expensive the test the more accurately they detect low levels of whatever they are testing for.
