>> > Anyway, I got distracted by the two women behind me who >> unloaded about >> > 15 kilos of drain cleaner (some 30x500g tubs) >> > >> >> Meth lab maybe. Sounds highly probable given the general goings on in that area in your area. Sodium hydroxide is a key reagent in the process of making Methamphetamine and other illegal drugs. Contrary to popular media reports, it is not actually an "ingredient" in these drugs, but simply a strong base used to manipulate the pH at various points in a chemical synthesis. http://en.wikipedia.org/wiki/Sodium_hydroxide R -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist