Employers may use a standard five-panel test of street drugs that includes: 1  marijuana (THC) 2  cocaine. 3  PCP. 4  opiates (e.g., codeine, morphine, heroin) 5  amphetamines (e.g., methamphetamine).
Guaranteed definition, a promise or assurance, especially one in writing, that something is of specified quality, content, benefit, etc., or that it will perform satisfactorily for a given length of time: a money-back guarantee. See more.
guarantee noun. âº [C or U] COMMERCE a written promise by a âcompany to âreturn a customer's âmoney or ârepair or âchange the âproduct if there is a problem within a particular âperiod after âbuying it: The âsystem âcosts Â£99.95 âincluding âpostage, âpacking and a 12-month guarantee.