“…These substantial differences between the studies likely reflect the selection of tracers rather than the differences in building age and composition. Lunderberg et al, 2021 Alias et al, 2021;Amato et al, 2014;Carrion-Matta et al, 2019;Molnár et al, 2014;Niu et al, 2021;Suryawanshi et al, 2016;Tunno et Bari et al, 2015;Barraza et al, 2014;Basaran and Yılmaz Civan, 2021;Clougherty et al, 2011;Huang et al, 2019;Minguillón et al, 2012;Pekey et al, 2013;Saraga et al, 2010;Shang et al, 2019;Suryawanshi et al, 2016;Tunno et al, 2016; Clougherty et al, 2011;Romagnoli et al, 2016;van Drooge et al, 2018;Yang et al, 2018 Biomass/wood burning/charcoal combustion (indoors) K + , K, S, Cl, Zn, Br, As, Se, V/Organic carbon, Elemental carbon, Black Carbon/benzo(a) anthracene, acenaphthylene, benzo(b) fluoranthene, benzo(a)pyrene phenanthrene, benzo(e)pyrene, benzo(k)fluoranthene benzo (ghi)perylene, anthracene, fluoranthene, pyrene, chrysene/VOC, WSOC, levoglucosan, mannosan, galactosan, glucose, mannitol/ soot PMF, PMF-ME Adeniran et al, 2021;Basaran and Yılmaz Civan, 2021;Canha et al, 2014aCanha et al, , 2014bMinguillón et al, 2012;Zhou et al, 2014;Zhu et al, 2012CMB Lai et al, 2019PCA Liu et al, 2021Taner et al, 2013EF, diagnostic ratios, MLR Adeniran et al, 2021…”