CO2 does not have the same connection with pollutants from non-human sources that it does with human emissions. Off-gassing from building components, furnishings, cooking, cleaning and electrical solutions may be independent of occupancy [30] e.g., Offermann identified small CO2 concentrations together with dangerously significant amounts of formaldehydes [31]. However exactly https://cibse34455.wizzardsblog.com/28325387/examine-this-report-on-lift-shaft-ventilation