Interpreting methamphetamine purity data is difficult as it is not generally reported irrespective of whether samples are of powder or crystal methamphetamine. Wh?n ?h????ng h?rd drugs l?k? meth ?nd ?????n? t? Au?tr?l??. It ?? quite ?m??rt?nt t? ??? ?tt?nt??n to th? ???k?g?ng, all packages h?