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State Any substance containing or derived from tobacco leaf or nicotine, including, but not limited to cigarettes, cigars, pipe tobacco, snuff, chewing tobacco, dipping tobacco, or any other products prepared from tobacco intended for human consumption in any manner (e.g., smoked, ingested, heated, chewed, absorbed, inhaled, snorted, sniffed)

Labs must check their processes with a NIST SRM (or a reference material that traces back to NIST) every year or anytime they make substantial changes to their protocol

The better units use a meaningful amount of granular activated carbon instead of a thin carbon-coated pad

Published in Dawn, February 27th, 2015 On a mobile phone

No website

Orleans CT, et al