1 INTRODUCTION
2 DATA
3 ANALYSIS
3.1 Absorption Analysis
3.2 Ionization Modeling
4 RESULTS
4.1 Thermal properties
4.2 Metallicity and elemental abundance ratios
4.3 Gas densities and cloud sizes
5 DISCUSSION
5.1 The multiphase nature of the CGM
5.2 On the physical origins of LLS absorbers
6 SUMMARY AND CONCLUSIONS