When you give the sample, don't put the start or end of the ur<span style = 'background-color: #dae8f4'>in</span>e
to the cup.
While half-life tells you apprx how
long the drug may be
your system, the metabolites from drugs can be detected
for days or weeks, dependin
g upon the drug. Opiates such as hydrocodone, I be
lieve, are detectable within
2 to 3 days of use. There are many sites on the web, in
g those of companies sellin
g drug tests, etc.