Prior to assessment the subject must do the following to achieve maximum accuracy in results: 1  4 hours fasting prior. 2  No exercise within 12 hours. 3  No alcohol within 48 hours. 4  Each subject must void completely before assessment. 5  Abstain from diuretic agents including caffeine, unless medically prescribed.
The definition of Accident in the law of the United States, as defined by the lexicographer Arthur Leff in his legal dictionary is: 1. A state of affairs or incident brought about by accidental means.
In Part 830, the NTSB defines an accident as: 1  an occurrence associated with the operation of an aircraft which takes place between the time any person boards the aircraft with the intention of flight and when all such passengers have disembarked, 2  in which any person suffers death or serious injury,