Enforcing a smoking policy is a different job that needs a different device: a dedicated smoke and vape monitor
The state is already trying one: Two years ago it raised the legal age for all tobacco products from 18 to 21, which cut off legal access to those products for teens who may still be in high school and might purchase electronic cigarettes for their younger school friends

Recommended for you THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 518 IN EFFECT UNTIL 9 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN WISCONSIN THIS WATCH INCLUDES 10 COUNTIES IN NORTH CENTRAL WISCONSIN LANGLADE LINCOLN ONEIDA VILAS IN NORTHEAST WISCONSIN FLORENCE FOREST MARINETTE MENOMINEE OCONTO SHAWANO THIS INCLUDES THE CITIES OF ANGELICA, ANTIGO, ARBOR VITAE, ARGONNE, ARMSTRONG CREEK, AURORA, BLACKWELL, BLOOMVILLE, BOULDER JUNCTION, BROOKSIDE, BRYANT, CAVOUR, COMMONWEALTH, CONOVER, CRANDON, DEERBROOK, DOERING, DUNBAR, ELCHO, ENTERPRISE, GLEASON, GOODMAN, GOODNOW, HARMONY, HARRISON, HILES, HOFA PARK, JEFFRIS, KEMPSTER, KESHENA, LAC DU FLAMBEAU, LAKE TOMAHAWK, LAONA, LITTLE SUAMICO, MANITOWISH WATERS, MC NAUGHTON, MERRILL, NEOPIT, NEVA, NIAGARA, OCONTO, PEMBINE, PENSAUKEE, PESHTIGO, PINE RIVER, POLAR, PORTERFIELD, PRESQUE ISLE, RHINELANDER, SHAWANO, SOBIESKI, SPREAD EAGLE, STARKS, THORNTON, WINCHESTER, AND WOODBORO.

Such snorkels tended to be permanent fixtures, but a minority could be detached from their sockets and replaced with plugs allowing the masks to be used without their snorkels
Certain lotions, body sprays, or colognes can trigger a false reading