. 2021 Nov 16;6(47):32090–32100. doi: 10.1021/acsomega.1c04868

Table 2. ICH Guidelines for Inhalation Permitted Daily Exposures (PDE) for Elemental Impurities along with Their Respective Analysis Group and Select Figures of Merit^a.

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Analysis group 1: all quality control measures assessed (gray highlight); group 2: less-rigorous quality control (no highlight); group 3: elements were monitored but not quantitated (no highlight). MDL are based on ∼3.5σ of concentration of 90 method blanks.

Table 2. ICH Guidelines for Inhalation Permitted Daily Exposures (PDE) for Elemental Impurities along with Their Respective Analysis Group and Select Figures of Merita.

Table 2. ICH Guidelines for Inhalation Permitted Daily Exposures (PDE) for Elemental Impurities along with Their Respective Analysis Group and Select Figures of Merit^a.