...  in blood and urine [see http://www.erowid.org/references/refs_view.php?ID=7392 2008] 2. by gas chromatography/mass spectrometry in blood, urine, and saliva [see http://www.erowid.org/references/refs_view.php?ID=7393 2005] 3. by high performance liquid chromatography-atmospheric pressure chemical ionization in blood and urine [see http://www.erowid.org/references/refs_view.php?ID=7394 2005] These tests are more expensive than field detection tests and are uncommon. In September 2008, the New York Times reported that the Armed Forces Institute of Pathology conducts approximately 50 tests a month, a tiny fraction of the population of enlisted men and women (see http://www.nytimes.com/2008/09/09/us/09salvia.html?_r=4&ref=todayspaper&pagewanted=all&oref=slogin&oref=slogin&oref=slogin&). Detection Period The elimination half-life of salvinorin A is believed short (less than an hour in Rhesus monkeys according to ...