Find out how to. An applicant provides a urine. Webat your approved hiring you will be given a drug test. However, don’t plan to waltz into a costco and get a job as a forklift driver. This could potentially take many months or up to. Webthe initial test is saliva, and is done immediately after you've passed all 3 interviews. If it comes back inconclusive for whatever reason, you'll be sent to a third party lab for a. Webfooling a drug test can be hard if you don't know what you're doing, but it’s possible with enough preparation. By trying a few tricks and techniques, you may be. Webcostco requires oral swab or urine drug testing for all applicants before hiring.
