1 In saliva: Nicotine stays in your saliva up to 4 days.  In hair: nicotine can stay in hair for months instead of for days. It is more surprised that many hair tests can detect nicotine for up to a year. However, nicotine is normally found within 1-3 months after you stop smoking.
California Redemption Value, or CRV, is a deposit paid on sales of certain recyclable beverage containers in California.
uPVC is the acronym for the chemical formula unplasticised Poly Vinyl Chloride. In the United States it is often referred to simply as 'vinyl' or 'rigid vinyl'. uPVC is a plastic.