Figure 1 –

A) Number of compounds in chemical classes of all literature reported organic compounds in SRM 2585 B) Total concentration (ng/g) of all literature reported compounds in each compound class in SRM 2585 C) Number of compounds detected by LC-ESI in each chemical classes in SRM 2585 D) Total concentration (ng/g) of compounds detected by LC-ESI in each chemical class in SRM 2585 E) The range of concentrations for all literature reported compounds and spiking levels of Mix 505 in the ENTACT dust samples.