1 INTRODUCTION  
2 DATA  
2.1 Spectra of QSO J0110 − 1648  
2.2 Galaxy Redshift Survey  
3 METHODOLOGY  
3.1 Voigt Profile Analysis of Resolved Component Structure  
3.2 Photoionization Analysis  
5 DISCUSSION  
5.1 Evaluation of photoionization analysis based on integrated \( N_{\mathbf{HI}} \) and \( N_{\mathbf{ion}} \)  
5.2 The Benefits and Limitations of Resolved Multi-Component and Multi-Phase Ionization Modeling  
5.3 The Multiphase Nature of the CGM  
5.4 CGM Abundances and Densities  
5.5 Galaxy Environment  
6 SUMMARY