What helpful of drug exam is required for a post organization career?

is saliva, urin test or spine testWhat helpful of drug exam is required for a post organization career?
It will probably be a urine assessment. It will evaluate whether or not you have an amphetamines or barbiturates surrounded by the system. You need to be completely drug free to work for the US Postal Services. Do not even apply if you use drugs surrounded by a recreational / illegal approach.
all of the above
If you are concerned almost what test it is, you probably shouldn't be working in that...
In any case, expect one or adjectives of the above.
FIRST OF ALL SHOULD U BE CONCERNED? NEXT U DONT WONT TO WORK 4 TH PO. IT IS THE WORST PLACE IN THE WORLD TO WORK. IF U DONT BELIEVE ME ASK 2 OR 3 CARRIERS AND TELL THEM TO BE HONIEST.