ENDS Vape Shops: Difference between revisions

(One intermediate revision by the same user not shown)

Line 40:

=Second Hand Vapor=

===2022: [https://link.springer.com/article/10.1007/s11739-022-03061-2 Computational modeling method to estimate secondhand exposure potential from exhalations during e-vapor product use under various real-world scenarios]===

*Acetaldehyde and acrolein were not detectable after use of any of the test products.

*When these data were used as inputs to a computational room air level and non-user intake model, the ambient concentrations of exhaled nicotine and formaldehyde predicted that non-user intakes were substantially reduced for test product use compared to conventional cigarette use.

*Collectively, the results predict that room air levels and exposure of the selected analytes to non-users were relatively low and several-fold below regulatory PELs and AIHA limit under the modeled space and use conditions.

*...room air levels of nicotine, formaldehyde, acrolein, and acetaldehyde levels were significantly below OSHA PELs or American Industrial Hygiene Association (AIHA) limit...

===2020: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7504617/ Comparative Indoor Pollution from Glo, Iqos, and Juul, Using Traditional Combustion Cigarettes as Benchmark: Evidence from the Randomized SUR-VAPES AIR Trial]===

*Glo, Iqos, and Juul have significantly less intense and persistent effects on indoor pollution in comparison to combustible tobacco cigarettes.

===2018: [https://academic.oup.com/ntr/article/21/10/1371/5040053 Characterization of the Spatial and Temporal Dispersion Differences Between Exhaled E-Cigarette Mist and Cigarette Smoke]===

Line 52:

Line 61:

*This study, although conducted under very high exposure conditions in a small, non-ventilated vape shop with many employees and customers vaping and clouds of vapor visible, did not document any dangerous levels of exposure to any hazardous chemical. Nicotine exposure was essentially non-existent. Formaldehyde exposure was no different than in many indoor and outdoor environments at baseline. Acetone, acetoin, other aldehydes, toluene, benzene, and xylene were not detected. Chemicals that have been associated with "popcorn lung" were also not detected by the standard method.

*This study adds to the evidence that under real-life conditions, "secondhand vaping" does not appear to pose any significant health risks.

===2015: [https://sci-hub.se/10.1016/j.chroma.2015.07.094 A rapid method for the chromatographic analysis of volatile organic compounds in exhaled breath of tobacco cigarette and electronic cigarette smokers]===

*Tobacco cigarette smoke provided the samples containing highest concentrations of all compounds analyzed. Besides nicotine it contained benzene, toluene, xylenes, ethylbenzene and naphthalene in high abundance as well as other compounds such as isoprene, pent-1-ene, n-pentane, n-hexane, n-heptane and others.

*This composition was in strong contrast with that of vapor from the e-cigarettes in which all these compounds were virtually absent except nicotine

===2014: [https://bmcpublichealth.biomedcentral.com/articles/10.1186/1471-2458-14-18 Peering through the mist: systematic review of what the chemistry of contaminants in electronic cigarettes tells us about health risks]===

@@ Line 40: / Line 40: @@
 =Second Hand Vapor=
+===2022: [https://link.springer.com/article/10.1007/s11739-022-03061-2 Computational modeling method to estimate secondhand exposure potential from exhalations during e-vapor product use under various real-world scenarios]===
+*Acetaldehyde and acrolein were not detectable after use of any of the test products.
+*When these data were used as inputs to a computational room air level and non-user intake model, the ambient concentrations of exhaled nicotine and formaldehyde predicted that non-user intakes were substantially reduced for test product use compared to conventional cigarette use.
+*Collectively, the results predict that room air levels and exposure of the selected analytes to non-users were relatively low and several-fold below regulatory PELs and AIHA limit under the modeled space and use conditions.
+*...room air levels of nicotine, formaldehyde, acrolein, and acetaldehyde levels were significantly below OSHA PELs or American Industrial Hygiene Association (AIHA) limit...
+===2020: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7504617/ Comparative Indoor Pollution from Glo, Iqos, and Juul, Using Traditional Combustion Cigarettes as Benchmark: Evidence from the Randomized SUR-VAPES AIR Trial]===
+*Glo, Iqos, and Juul have significantly less intense and persistent effects on indoor pollution in comparison to combustible tobacco cigarettes.
 ===2018: [https://academic.oup.com/ntr/article/21/10/1371/5040053 Characterization of the Spatial and Temporal Dispersion Differences Between Exhaled E-Cigarette Mist and Cigarette Smoke]===
@@ Line 52: / Line 61: @@
 *This study, although conducted under very high exposure conditions in a small, non-ventilated vape shop with many employees and customers vaping and clouds of vapor visible, did not document any dangerous levels of exposure to any hazardous chemical. Nicotine exposure was essentially non-existent. Formaldehyde exposure was no different than in many indoor and outdoor environments at baseline. Acetone, acetoin, other aldehydes, toluene, benzene, and xylene were not detected. Chemicals that have been associated with "popcorn lung" were also not detected by the standard method.
 *This study adds to the evidence that under real-life conditions, "secondhand vaping" does not appear to pose any significant health risks.
+===2015: [https://sci-hub.se/10.1016/j.chroma.2015.07.094 A rapid method for the chromatographic analysis of volatile organic compounds in exhaled breath of tobacco cigarette and electronic cigarette smokers]===
+*Tobacco cigarette smoke provided the samples containing highest concentrations of all compounds analyzed. Besides nicotine it contained benzene, toluene, xylenes, ethylbenzene and naphthalene in high abundance as well as other compounds such as isoprene, pent-1-ene, n-pentane, n-hexane, n-heptane and others.
+*This composition was in strong contrast with that of vapor from the e-cigarettes in which all these compounds were virtually absent except nicotine
 ===2014: [https://bmcpublichealth.biomedcentral.com/articles/10.1186/1471-2458-14-18 Peering through the mist: systematic review of what the chemistry of contaminants in electronic cigarettes tells us about health risks]===