Rapid Detect's Alco-Screen 02 saliva alcohol test is a highly sensitive method to detect the presence of alcohol in saliva. Alcohol testing can be affordable and will benefit any testing program. There are many different types and ways to start alcohol screening at your workplace but the most affordable way to go is by stocking up on disposable saliva test strips. The average cost for a single test strip is around $ 1.75 each, if you purchase a box of 24 testing strips. Lab confirmations should be completed on non-negative test results.