Electronic Supplementary Material (1) s2

ELECTRONIC SUPPLEMENTARY MATERIAL (1)

LIFE CYCLE MANAGEMENT

Comparative life cycle assessment of conventional and green seal-compliant industrial and institutional cleaning products

Amit Kapur • Cheryl Baldwin • Mary Swanson • Nana Wilberforce • Giovanna McClenachan • Mark Rentschler

Received: 4 January 2010 / Accepted: 13 December 2011 © Springer-Verlag 2011

Responsible editor: Gerald Rebitzer

A. Kapur • C. Baldwin () • M. Swanson • N. Wilberforce • G. McClenachan • M. Rentschler Green Seal, 1001 Connecticut Ave, NW, Washington, DC 20036, USA e-mail: [email protected]; [email protected]

() Corresponding author: Cheryl Baldwin Tel. 1-202-872-6400 Fax. 1-202-872-4324 e-mail: [email protected]; [email protected] LCI datasets for each cleaning ingredient Table 1 LCI datasets for chemical ingredients in cleaning products Ingredient LCI dataset Alcohol ethoxylate Ethoxylated alcohol (AE3 and AE7 ) from petrochemical Alkyl polyglucoside Hirsinger and Schick (1995) Alkylphenol ethoxylate 1 mole of nonylphenol and 6 moles of ethylene oxide; LCI of nonylphenol from CPM LCA database1 Anionic surfactant Alkylbenzene sulfonate, linear (petrochemical) Citric acid Acetic acida Diethylene glycol ethyl ether 2 moles of ethylene oxide and 1mole of n-ethanol Diethylene glycol butyl ether 2 moles of ethylene oxide and 1 mole of n-butanol Ethyl alcohol Ethanol from ethylene Ethylene glycol butyl ether 1 mole of ethylene oxide and 1 mole of n-butanol Ethoxylated phenol 1 mole of nonylphenol and 6 moles of ethylene oxide; LCI of nonylphenol from CPM LCA database Hydrogen peroxide Hydrogen peroxide 50% in water Hypochlorite bleach Sodium hypochlorite (15% in water) Lauryl glucoside Hirsinger and Schick (1995) Isopropyl alcohol Isopropanol Phosphoric acid Phosphoric acid (industrial grade 85% in water) Sodium carbonate Sodium carbonate from ammonium chloride Sodium citrate Acetic acida Sodium hydroxide Sodium hydroxide Sodium lauryl sulfate Fatty alcohol sulfate (petrochemical) Sodium xylene sulfonate Adami (2009) Water Tap water at user a- proxy

1 http://www.cpm.chalmers.se/CPMdatabase (Accessed 4th April, 2011)