EXAMPLES: 1  With 45 of suction pressure on the blower inlet and no discharge pressure on the blower discharge, the total static pressure = 50.3 inWG. 2  With 45 of suction pressure on the inlet and 12 of discharge pressure on the discharge, the total static pressure = 50.3+12 = 62.3 inWG.
Meth can stay in the system and be detected in urinalysis drug tests 1-4 days after use. But chronic use can extended this detection period. More here on how meth works and the length of time it stays in your system, with a section for your questions about meth at the end.
Updated February 09, 2017. Determining exactly how long meth is detectable in the body depends on many variables, including which kind drug test is being used. Methamphetamine - also known as Desoxyn, crank, crystal, glass, ice, speed - can be detected for a shorter time with some tests, but can be visible for up to three months in other tests.