LCA Results (continued)
Parameters describing environmental impacts
IRP
ETP -fw
HTP-c
HTP -nc
SQP
kgBq U 235 eq
CTUe
CTUh
CTUh
dimensionless
Raw material supply
A1
1.83E-02
1.12E+00
4.26E-08
4.06E-08
2.03E+00
Transport
A2
5.85E-04
2.07E-02
1.75E-10
1.15E-09
1.17E-01
Product stage
Manufacturing
A3
9.78E-04
9.19E-04
2.88E-11
1.64E-10
2.21E-02
Total (of product stage)
A1-3
1.99E-02
1.14E+00
4.28E-08
4.19E-08
2.17E+00
Transport
A4
3.58E-04
1.34E-02
1.01E-10
7.47E-10
7.72E-02
Construction process stage
Construction
A5
1.15E-03
1.11E-02
4.47E-10
1.01E-09
9.28E-02
Use
B1
MND
MND
MND
MND
MND
Maintenance
B2
MND
MND
MND
MND
MND
Repair
B3
MND
MND
MND
MND
MND
Use stage
Replacement
B4
MND
MND
MND
MND
MND
Refurbishment
B5
MND
MND
MND
MND
MND
Operational energy use Operational water use
B6
MND
MND
MND
MND
MND
B7
MND
MND
MND
MND
MND
Deconstruction, demolition
C1
0.00E+00
0.00E+00
0.00E+00
0.00E+00
0.00E+00
Transport
C2
4.49E-05
1.68E-03
1.27E-11
9.36E-11
9.67E-03
End of life
Waste processing
C3
2.18E-04
3.23E-03
1.03E-10
1.33E-10
9.40E-02
Disposal
C4
1.31E-05
5.25E-05
2.11E-12
3.53E-12
4.69E-03
Potential benefits and loads beyond
Reuse, recovery, recycling potential
D
-1.73E-04
-1.44E-02
-1.37E-09
-2.62E-10
-8.25E-03
the system boundaries
IRP = Potential human exposure efficiency relative to U235; ETP-fw = Potential comparative toxic unit for ecosystems;
HTP-c = Potential comparative toxic unit for humans; HTP-nc = Potential comparative toxic unit for humans; and SQP = Potential soil quality index.
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