1. 1) 環境省:環境白書,平成20年度版,2008.
2. 4) United States Environmental Protection Agency: How to Evaluate Alternative Cleanup Technologies for Underground Storage Tank Sites, Chapter VIII Biosparging, EPA 510-B-94-003, 1994.
3. 5) US Army Corps of Engineers: Soil Vapor Extraction and Bioventing Engineer Manual, 2002.