any member of the subphylum Crustacea (phylum Arthropoda), a group of invertebrate animals consisting of some 45,000 species distributed worldwide. Crabs, lobsters, shrimps, and wood lice are among the best-known crustaceans, but the group also includes an enormous variety of other forms without popular names.
It is thought that infrequent, low-dose users may test positive for Xanax within urine for up to 4 days post-ingestion. Frequent, high-dose users of the drug may test positive for Xanax after a full week post-ingestion via a urinalysis. Results from a urinalysis can be confirmed with technology such as GC/MS.
First off anybody who thinks that Xanax stays in your system for 30 days needs to go back to high school and take chemisrty. Thank you so much for the correct spelling MR. Zanax. Wrong. The correct answer is 8-72 hours depending on the amount consumed and the amount PRESCRIBED for ones daily consumtion.