1. School of Civil Engineering and Environmental ScienceUniversity of Oklahoma W. Boyd St., Norman OK 73019 USA
2. Institute for Applied Surfactant ResearchUniversity of Oklahoma E. Boyd St., Norman OK 73019 USA
3. Research Program of Industrial Waste Management—Policies and PracticesCenter of Excellence on Hazardous Substance Management (HSM)Chulalongkorn University Phaya Thai Rd., Pathum Wan, Bangkok 10330 Thailand