Introductory technical guidance for civil engineers and other professional engineers and construction managers interested in remediation of contaminated soils by air sparging. Here is what is discussed: 1. TECHNOLOGY DESCRIPTION, 2. OVERVIEW OF AIR SPARGING, 3. AIR SPARGING TECHNOLOGY OPTIONS , 4. RELATED TECHNOLOGIES , 5. SUMMARY OF PHYSICAL PROCESSES, 6. COMPONENTS OF INJECTION PRESSURE, 7. GROUNDWATER MIXING, 8. ASSOCIATED TECHNICAL ISSUES, 9. TECHNOLOGY ASSESSMENT: EFFECTIVENESS AND LIMITATIONS, 10. TECHNOLOGY STATUS, 11. CONDITIONS AMENABLE TO IAS, 12. RESULTS IN REGULATORY ÒCLOSUREÓ, 13. IAS MODELS.