Impact of LoS contamination in scaling relations. We show halo properties as a function of halo mass M in the left column, and colour-coded by the fractional amount of mass in a cylinder (M^2D/M), and the residuals PDFs in the right column (grey shaded histogram). Rows correspond to richness, the integrated Compton-y parameter, lensing mass, and lensing concentration. We also show the residuals of a subset of halos with low LoS contamination (in particular M^2D/M < 1.26, dashed line histogram). Each panel reports the scatter of the residuals σ and the mean μ of the low LoS residuals.