QSO	dproj (kpc)	dproj/Rvir	log NHI/cm-2	log NSiII/cm-2	log NCII/cm-2	log NSiIII/cm-2	log NSiIV/cm-2	log NCIV/cm-2
QSO J1407+5507	12 $\genfrac{}{}{0ex}{}{\mathrm{+1}}{\mathrm{-2}}$	0.119	15.138–18.940	15.019 $\genfrac{}{}{0ex}{}{\mathrm{+0.317}}{\mathrm{-0.293}}$	14.991–18.208	13.82–16.081	13.668 $\genfrac{}{}{0ex}{}{\mathrm{+0.029}}{\mathrm{-0.027}}$	...