meth lab

Reader's Digest 11月号に掲載の香料についての記事 'Sweet Smell of Success' から引用します。
But some clients want something less pleasant. ScentAir supplies the waft of meth labs and raw sewage for US Homeland Defense Training; the smell of dinosaur poo for a children's museum; and the smell of turpentine for an Andy Warhol retrospective art exhibition.
"meth labs" の "meth" が分かりません。辞書を引きます。
・Oxford English Dictionary: (also crystal meth) The drug methamphetamine.: And when a drug like crystal meth is sprinkled on the wound, it really does seem like a miracle cure because it erases any concept of morality.
・Vocabulary.com: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
"meth" は私には区別ができない麻薬、覚醒剤、危険ドラッグ（元は合法ドラッグでしたね）の一種でした。