1. Barringer , F. 2012 As yuck factor subsides, treated wastewater flows from taps http://www.nytimes.com/2012/02/10/science/earth/despite-yuck-factor-treated-wastewater-used-for-drinking.html?pagewanted=all&_r=0
2. Metrics for integrating sustainability evaluations into remediation projects;Butler;Remediation,2011
3. California Department of Toxic Substances Control (DTSC) 2009 Interim advisory for green remediation http://www.dtsc.ca.gov/OMF/upload/GRT_Draft_-Advisory_-20091217_ac1.pdf
4. Growth for design and construction markets stops in 2009;Farkas;Environmental Engineer,2010