Cigarettes. Measurement of nicotinefree dry particulate matter, nicotine, water & carbon monoxide in cigarette smoke. Analysis of data from collaborative studies reporting relationships between repeatability, reproducibility & tolerances Cigarettes, Tobacco, Tobacco testing, Smoke, Chemical analysis & testing, Determination of content, Nicotine, Particulate materials, Particulate air pollutants, Water, Measurement characteristics, Reproducibility, Sampling methods