1. Massachusetts Toxic Use Reduction Institute http://www.turi.org/TURI_Publications/TURI_Chemical_Fact_Sheets/Trichloroethylene_TCE_Fact_Sheet/TCE_Facts/Use_Nationally_and_in_Massachusetts http://www.turi.org/Our_Work/Cleaning_Laboratory/How_We_Can_Help/Cleaning_Research_Projects/Trichloroethylene-and-Chlorinated-Solvents-Reduction,
2. Hewlett Packard www.subsport.eu/case-stories/124-en?lang, Accessed April 12, 2014)
3. Alternatives Assessment in Regulatory Policy: History and Future Directions
4. Ashford NA Hattis D Heaton GG Katz JI Priest WC Zold , EM NTIS#PB81 195067 1980