you have 2 hours from the time of the accident to be at the facility to take a post accident drug screen
None.
How much notice does an employer have to give an employee when changing their schedule?
no
Unless local laws specify otherwise wherever you live, an employer does not have to give you any notice.
2 weeks
Probably. If your employer is testing you It depends on what drug, how much and how the employer feels about it.
Contracts will always deal with notice issues. There is no legal minimum of holiday pay - it is unregulated.
to notice how much percentage of Drug is released!
If your company is being bought out, the new employer can ask how much you are being paid before takeover. They are required to give notice when the takeover will occur along with any new procedures or changes that will occur.
He gave him too much of the drug.
Two weeks notice is considered proper.
30 days in writing if by notice you mean eviction
Standard notice (in America at least) is two weeks.