Will second hand smoke make a nicotne test positve?

Only in large amount: If you are in a small room with 10 people smoking, maybe. Or in a car or a phone booth. The set-point for most tests, in order to exclude casual exposure to smoke,is set in a way to eliminate false positives from things like second hand smoke. However, some people who work in settings like bars/restaurants, bowling alleys etc. where people may smoke, may develop high enough levels to test +