Proof that a person has in his possession more than 30 grams or 10
packages of any drug containing a sole active ingredient of ephedrine,
pseudoephedrine, phenylpropanolamine, or any of their salts, optical
isomers or salts of optical isomers; or more than 30 grams or 10
packages of any combination drug containing, as one of its active
ingredients, ephedrine, pseudoephedrine, phenylpropanolamine, or any of
their salts, optical isomers or salts of optical isomers, shall give
rise to a permissive inference by the trier of fact that the person
acted with a purpose to create methamphetamine.
