Oct 06, 2020 · CoCo Sheriff's Office Gets Drug-Testing Machine For DUI Cases - San Ramon, CA - The equipment can detect a multiple of substances often involved in DUI cases, the sheriff's office said. How to Find Employment With a Failed Drug Test. Failing a drug test can make it difficult to find a job. Other employers might require drug tests, too, or ask you to disclose drug-test failures on your applications. You might talk with a potential employer about your situation, especially if it was a one-time offense ... If you own a business and have employee drug testing as part of your company policy, this may become a little complicated. You may wish to have your independent contractors drug alcohol testing or you may wish to allow them to do their work entirely of their own accord, trusting that they are handling their own legal and safety matters responsibly. Urine drug testing (UDT) is widely used for testing for opioids and illicit drugs. There are two types of UDT: a screening test and a confirmatory test. The screening test uses an immunoassay to look for the parent drug and/or metabolite. Most UDTs screen for marijuana, cocaine, opiates, PCP, amphetamines, while some also test for ...