It states that truck drivers, machinery operators and other transportation workers should have a negative ... According to US Drug Test Centers, which provides drug and alcohol testing for ...

The EtG test can detect the presence of alcohol within the past 80 days. Notably the urine sample ... negative test results over time done voluntarily provides proof that neither drugs or alcohol ...

This allowed researchers to examine data on the cannabis, alcohol and cigarette ... some young adults’ drug consumption patterns, is somewhat limited by the small sample size of its cohorts.