Crossovers.  1 A Dark Day is part one of a crossover with Chicago P.D. where an explosion occurs at Chicago Med, leading the fire and police departments to track down the culprits.  2 Nobody Touches Anything is part one of a crossover with Law & Order: Special Victims Unit and Chicago P.D. centered on a pedophile ring.
How long does alcohol stay in my system for a saliva test? Depends: Alcohol has an approximate detection time of 12-24 hrs,The detection time depends on the maximum level of blood alcohol content (BAC) which can vary. One serving of alcohol can be fully absorbed in the blood stream 30 min up to 2 hrs after intake. The body metabolizes aprox 0.25 oz per hour.
Wet test pad with saliva for 5 seconds, then remove, start timer immediately. At 4 Minutes, read results as shown below. A distinct colored line indicates blood alcohol concentration is greater than or equal to 0.02% BAC,