Page 368 - Materials Chemistry, Second Edition

L1644_C08.fm Page 331 Tuesday, October 21, 2003 3:03 PM

TABLE 8.15
Impact Assessment of the Universal Remote a
Characterization Manufacturing Distribution Use
Impacts factors TOTAL (%) (%) (%)
Raw material * 1.29 × 10 –14 63.9 0.0 36.1
–1
depletion (yr )
(r) Gold (Au, ore) 591,000 4.1 × 10 –15 100.0 0.0 0.0
(r) Zinc (Zn, ore) 64.9 3.6 × 10 –15 0.0 0.0 100.0
(r) Tin (Sn, ore) 1,800 3.4 × 10 –15 85.7 0.0 14.3
(r) Silver (Ag, ore) 79,400 7.4 × 10 –16 100.0 0.0 0.0
Global warming (g * 9.3 × 10 3 83.7 0.4 15.9
equiv. CO 2 )
(a) Carbon dioxide 1 7.6 × 10 3 82.6 0.3 17.1
(CO 2 , fossil)
(a) Methane (CH 4 ) 56 1.7 × 10 3 89.5 0.8 9.7
Ozone depletion (g * 2.0 × 10 3 73.7 1.3 25.0
eq. CFC-11)
(a) Halon 1301 17.2 1.8 × 10 –3 71.9 1.4 26.7
(CF 3 Br)
(a) CFC 11 (CFCl 3 ) 1 1.2 × 10 –4 100.0 0.0 0.0
Air toxicity (m ) * 3.6 × 10 6 71.7 0.4 27.9
3
(a) Sulfur oxides 33,300 1.5 × 10 6 77.4 0.0 22.6
(SO x as SO 2 )
(a) Carbon dioxide 125 9.4 × 10 5 82.6 0.3 17.1
(CO 2 , fossil)
(a) Nitrogen oxides 33,300 5.9 × 10 5 82.7 1.6 15.7
(NO x as NO 2 )
(a) Cadmium (Cd) 100,000,000 3.3 × 10 5 16.1 0.0 83.9
Photo. ozone * 1.1 × 10 1 82.3 0.7 17.0
creation (g equiv.
ethylene)
(a) Hydrocarbons 0.808 7.3 81.1 0.9 18.0
(except methane)
(a) Methane (CH 4 ) 0.03 8.9 × 10 –1 89.5 0.8 9.7
(a) Hydrocarbons 0.799 7.6 × 10 –1 58.2 0.0 41.8
(unspecified)
(a) Ethylene (C 2 H 4 ) 1 6.7 × 10 –1 97.3 0.0 2.7
Air acidification (g * 1.9 78.6 0.4 21.0
equiv. H )
+
(a) Sulfur oxides 0.0313 1.4 77.4 0.0 22.6
(SO x as SO 2 )
(a) Nitrogen oxides 0.0217 3.9 × 10 –1 82.7 1.6 15.7
(NO x as NO 2 )
Water toxicity * 1.9 × 10 3 81.0 0.2 18.8
(liters)
-- continued

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