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Manual inspection triggers: When scanners cannot resolve a dense organic mass, security protocols require physical bag inspection
Durkin S, Bayly M, Cotter T, Mullin S, and Wakefield M
Education level varied by country and the highest level achieved was assessed as follows: primary school graduate, secondary school graduate, A-level or college equivalent (UK and France only), vocational school graduate or technical school certificate, associates or 2-year degree from junior college or technical school (USA only), Bachelors degree from college or university, graduate or postgraduate studies (e.g
10.1016/j.atmosenv.2016.03.027 Summary Keywords e-cigarette, diacetyl, flavors, acetyl propionyl, acetoin, pyrolysis - gas chromatography Citation McAdam K, Waters G, Moldoveanu S, Margham J, Cunningham A, Vas C, Porter A and Digard H (2021) Diacetyl and Other Ketones in e-Cigarette Aerosols: Some Important Sources and Contributing Factors