Alco-Screen 02 is a simple, cost effective tool used to monitor alcohol consumption as part of a comprehensive Zero Tolerance testing program. Alco-Screen 02 is a Conforming Product for US Department of Transportation mandated testing of all transportation and safety sensitive employees for blood alcohol concentrations above the federally mandated zero tolerance level of 0.02%. Alco-Screen 02 is FDA 510(k) cleared for home use and is CLIA waived.