Click on a circle in the chart to view Sham immigration records. You can find out when most of the Sham families immigrated to the United States. You can focus your search to immigration records dating from that era. Immigration records can tell you an ancestor's name, ship name, port of departure, port of arrival and destination.
Probably, however...: As my colleague dr. Pappas mentions, marijuana is almost always tested in urine rather than blood, so someone would almost certainly pass a blood test but is more likely to face a urine test.
Saliva Drug Test. Saliva testing is the newest method to detect the presence of marijuana. This technology will detect the delta-9-tetrahydrocannabinol found in marijuana or Parent THC. This test is more appropriate for recent marijuana usage which could be for just a few hours up to 3 day.ow long Marijuana will show in a drug test. Marijuana is a oil based drug which will make it more detectable since is not water soluble and will allocate in the fat cells of the body. It is hard to tell how long marijuana will manifest in a drug testing because the time to detect its presence depends on many factors.