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 B1217+023	8.71 $\genfrac{}{}{0ex}{}{\mathrm{+1.08}}{\mathrm{-0.88}}$	0.161	14.558–18.356	13.295 $\genfrac{}{}{0ex}{}{\mathrm{+0.188}}{\mathrm{-0.186}}$	14.031 $\genfrac{}{}{0ex}{}{\mathrm{+0.081}}{\mathrm{-0.086}}$	13.186 $\genfrac{}{}{0ex}{}{\mathrm{+0.063}}{\mathrm{-0.065}}$	13.162 $\genfrac{}{}{0ex}{}{\mathrm{+0.078}}{\mathrm{-0.084}}$	14.241 $\genfrac{}{}{0ex}{}{\mathrm{+0.116}}{\mathrm{-0.079}}$