Surface waves. Seismic surface waves travel along the Earth's surface. They can be classified as a form of mechanical surface waves. They are called surface waves, as they diminish as they get further from the surface. They travel more slowly than seismic body waves (P and S).
Percocet can be detected in the urine for 3-4 days. A blood test can identify Percocet for up to 24 hours. A saliva test can detect Percocet for up to 1-4 days. Percocet, like like many other drugs, can be detected with a hair follicle drug test for up to 90 days.
For example, hydrocodone detection time in urine is about 2-4 days (on the safe side) , while hydrocodone can be detected in the hair for up to 3 months after your last pill. Most commercial drug tests for hydrocodone, however, detect hydrocodone in the urine for 6-24 hours after last use.