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. 2021 Nov 1;11:21368. doi: 10.1038/s41598-021-00853-y

Figure 2.

Figure 2

Determining the influence of flow rates and other variables on Pepper Mild Mottle Virus detection in municipal wastewater samples. (A) Principal component analysis of the effects of most influential component on variables in interest for all wastewater treatment facilities in the study. (B) Principal component analysis of the effects of most influential components on variables in interest for wastewater treatment facilities in the study, excluding of WLSSD and Metropolitan sites.