Provides that any person who knowingly purchases in a thirty-day period or possesses any quantity of iodine in its elemental form, an iodine matrix, or more than two pounds of methylsulfonylmethane is guilty of a gross misdemeanor, except as provided in this act.

Provides that any person who purchases any quantity of iodine in its elemental form, an iodine matrix, or any quantity of methylsulfonylmethane must present an identification card or driver's license issued by any state in the United States or jurisdiction of another country before purchasing the item.

Directs the Washington state patrol to develop a form to be used in recording transactions involving iodine in its elemental form, an iodine matrix, or methylsulfonylmethane. A person who sells or otherwise transfers any quantity of iodine in its elemental form, an iodine matrix, or any quantity of methylsulfonylmethane to a person for any purpose authorized in this act must record each sale or transfer. The record must be made on the form developed by the Washington state patrol and must be retained by the person for at least three years. The Washington state patrol or any local law enforcement agency may request access to the records. Failure to make or retain a record required under this act is a misdemeanor. Failure to comply with a request for access to records required under this subsection to the Washington state patrol or a local law enforcement agency is a misdemeanor.