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.
One way the difference between CRV and a system in which the consumer pays a deposit or tax shows up is that sales tax applies to the CRV amount. If it were not part of the basic price of the product, sales tax would not apply to it. Accordingly, when the State of California raised the CRV from $.04 on 2 ltr.