WA SB6169

Selling, furnishing, distributing, or giving away devices, canisters, tanks, or receptacles containing nitrous oxide or flavored nitrous oxide is classified as a gross misdemeanor

Exemptions apply for medical and dental use when administered by or under supervision of a state-licensed practitioner

Nitrous oxide sold in food products as a propellant (such as whipped cream dispensers) is exempt from the prohibition

Sales for manufacturing processes, industrial operations, and automotive purposes are also exempt

"Nitrous oxide" is defined to include N2O, dinitrogen monoxide, dinitrogen oxide, nitrogen oxide, and laughing gas