Perfect White Point for scanner profile

Perfect White Point for non-Absolte Colorimetric Intents

Monaco profiler 4.8
XYZ: 0.9641876, 1., 0.8248901
Lab: 100.00, -0.018456, 0.017265

PhotoGamutRGB_avg6c.icc  < Link >
XYZ: 0.9641724, 1., 0.8248749
Lab: 100.00, -0.0210935, 0.0184981

a) ArgyIIcms 1.3.2
b) Basiccolor display 4.1.22
c) Epson (perv50_r.icm, perv50_r.icm)
XYZ: 0.9642029, 1., 0.8249054
Lab: 100.00, -0.0158185, 0.016032