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. 2021 Jun 10;313:127880. doi: 10.1016/j.jclepro.2021.127880

Table 9.

Results of four end-point damage categories achieved for annual production of medical face masks containing 10%, 50%, and 100% bio-based plastics in China in 2020a (based on IMPACT, 2002+).

Damage category Unit 10% bio-based plastics 50% bio-based plastics 100% bio-based plastics
Human health DALY 1.97 × 103 1.75 × 103 1.44 × 103
Ecosystem quality PDF∗m2∗yr 1.63 × 108 1.68 × 108 1.58 × 108
Climate change kg CO2eq 2.07 × 109 1.85 × 109 1.53 × 109
Resources MJ primary 5.27 × 1010 3.87 × 1010 1.98 × 1010

*The contributions of the various inputs of one piece of surgical mask and one piece of N95 mask production to end-point damage categories are tabulated in Table A5-A10, presented in the Appendix.