Abstract
We present novel methods to incorporate exposure to chemicals within food contact materials (FCM) (e.g.
packaging) into life cycle impact assessment (LCIA). Chemical migration into food is modeled as a function
of contact temperature, time, and various chemical, FCM, and food properties. In order to reduce computing
time and complexity, a double exponential curve was fit (R2≈1) to an exposure model which otherwise
requires numeric solutions. The model is modified to evaluate the product intake fraction, PiF, which is a
new metric that accounts for exposure to mass of chemicals embodied in a product in a way compatible with
intake fraction, iF, a metric traditionally used in LCIA. The model predicts PiF increases with temperature
and for compounds with lower octanol-water partition coefficients within more permeable materials which
are in contact with foods with high ethanol equivalencies (fatty foods).
| Original language | English |
|---|---|
| Title of host publication | Proceedings. International conference on Life Cycle Assessment as reference methodology for assessing supply chains and supporting global sustainability challenges : LCA for "Feeding the planet and energy for life" |
| Editors | Simona Scalbi, Arianna Dominici Loprieno, Paola Sposato |
| Publisher | ENEA |
| Publication date | 2015 |
| Pages | 311-314 |
| Publication status | Published - 2015 |
| Event | International conference on Life Cycle Assessment as reference methodology for assessing supply chains and supporting global sustainability challenges: LCA for "Feeding The Planet and Energy For Life" - Stresa and Milano, Italy Duration: 6 Oct 2015 → 8 Oct 2015 |
Conference
| Conference | International conference on Life Cycle Assessment as reference methodology for assessing supply chains and supporting global sustainability challenges |
|---|---|
| Country/Territory | Italy |
| City | Stresa and Milano |
| Period | 06/10/2015 → 08/10/2015 |