No.  The NRC has a Fitness For Duty program that includes drug and alcohol testing.  The rules were recently changed to be more in-line with the DOT procedures, but there are differences.  Click on the link below for a summary of the NRC alcohol testing procedures.
More information regarding NRC testing can be found in the Training section of this website.  Any of our workplace training courses can provide instruction on alcohol testing under the NRC rules as well.