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. Author manuscript; available in PMC: 2022 Jan 20.
Published in final edited form as: Environ Sci (Camb). 2021 Jan 20;7:504–520. doi: 10.1039/d0ew00946f

Fig. 4.

Fig. 4

Log-transformed theoretical limits of detection for each SOP at Plant 1 (Hyperion) and Plant 2 (JWPCP). The dashed lines show 10th and 90th percentiles across both Plant 1 and Plant 2. The total number of non-detects (ND) (combined for SARS-CoV-2 N1 and N2 targets) out of total number of sample replicates processed by each SOP is shown in the table below the box plot (a blank cell indicates no NDs). An “X” indicates the sample was not processed by that SOP.