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Table 5 Quantification of qualitative indicators

From: Social life-cycle assessment (S-LCA) of residential rooftop solar panels using challenge-derived framework

PSIA value

Value

Level of compliance with PRP

 + 2

1

Ideal performance

 + 1

0.75

Progress beyond compliance

0

0.50

Compliance with PRP

− 1

0.25

Non-compliant to PRP but improving

− 2

0

Non-compliant and no signs of improving