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| Performance
Overview
Measuring and managing our performance
STEV3; §10.3, 10.4 of Decalogue
ST certification: All our manufacturing sites
are fully EMAS validated and ISO 14001 certified and have been
since 1997.
 STSC4b;
§8.3 of Decalogue
Supply chain certification: In accordance
with our Environmental Policy, we strongly encourage both suppliers
and subcontractors to become EMAS or ISO 14001 certified. In
2005, almost 69% of our key suppliers were ISO certified or
EMAS validated. See the Supply chain section for more details.
STEV4; §1 of Decalogue
Results of regulation tracking: For more on
ST's compliance with existing and future environmental legislation,
see the section on Product responsibility.
STEV5, STEV6
Environmental accounting: The table below
presents the total costs versus savings for the three key resources
used in our industrial processes (energy, water, chemicals).
The savings (in US$m) in a given year are calculated with reference
to our performance in 1994. For a description of the accounting
methodology used see our website.
| STEV8, STEV35, STEV58: Environmental
costs versus savings |
US$m |
| |
2001 |
2002 |
2003 |
2004 |
2005 |
| Total costs |
30 |
32 |
35 |
35 |
34 |
| Energy saving |
33 |
59 |
78 |
102 |
123 |
| Water saving |
6 |
10 |
13 |
17 |
19 |
| Chemicals saving |
17 |
31 |
42 |
54 |
65 |
| Total saving |
56 |
100 |
133 |
173 |
207 |
| Balance (cost saving) |
26 |
68 |
98 |
138 |
173 |
The consistent year-on-year increase in savings is due in part
to our constant efforts to reach our Decalogue objectives (in
particular to save natural resources), and in part to the increased
production activity, which leads to improved eco-efficiency.
| STEV6: Environmental investments |
| % of total company investments |
 |
| 1994 |
0.16 |
| 1995 |
1.96 |
| 1996 |
2.45 |
| 1997 |
2.99 |
| 1998 |
1.90 |
| 1999 |
1.33 |
| 2000 |
1.83 |
| 2001 |
2.10 |
| 2002 |
1.20 |
| 2003 |
2.00 |
| 2004 |
0.75 |
| 2005 |
0.92 |
A significant part of 2005 investments focused on measures
to reduce carbon emissions resulting from energy and PFCs.
Environmental awards
STEV19
External recognition: During 2005, our company, individual
sites and staff have won various environmental awards:
- Business week/climate group: ST ranked among the Top Ten
Green Companies of the decade
- National Italian prize for Sustainable Mobility (ST Agrate).
EN13;
EN16
Fines and incidents: In 2005, there were no
significant incidents having an environmental impact and no
fines.
The Environmental Burden Method: the impact of emissions to
air and water
STEV20
In 2001, ST began to use the Environmental Burden Method (developed
with the World Business Council for Sustainable Development)
to measure the global environmental impact of the company.
The table below shows our net figures for Environmental Burden
since 2001. |
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| STEV21; EN8, EN9, EN10, EN12: Environmental
burden: net values |
| Emissions to air |
| Indicators |
Units |
2001 |
2002 |
2003 |
2004 |
2005 |
Comments |
| Global warming |
MTCE |
457,214 |
489,813 |
511,084 |
522,877 |
626,420 |
Includes direct greenhouse gas emissions from our manufacturing
plants and indirect emissions from energy consumption and transport,
reported in Metric Tons of Carbon Equivalence (MTCE) |
| Ozone depletion |
Kg R11 Eq |
591 |
465 |
158 |
122 |
78 |
Deals with marginal releases of ozone-depleting substances measured
in R11 equivalence |
| VOCs |
Tons |
309.7 |
341.2 |
331.0 |
294.0 |
311.0 |
Reported as net volatile organic compounds emissions in tons |
| Atmospheric acidification |
Kh SO2 Eq |
24,591 |
36,304 |
49,040 |
25,898 |
37,670 |
Total acidic emissions expressed in sulfur dioxide (SO2)
equivalence |
| Photochemical ozone creation |
Kg ethylene Eq |
29,320 |
97,640 |
84,478 |
59,401 |
46,767 |
Deals with the potential to form low-level ozone |
| Air emission toxicity |
Kg PH3 Eq |
3,227 |
6,375 |
11,010 |
3,543 |
7,532 |
Emissions of substances are considered with threshold limit
values below 3ppm, expressed in phosphine equivalent |
| Emissions to water |
| Indicators |
Units |
2001 |
2002 |
2003 |
2004 |
2005 |
Comments |
| Eutrophication |
Kg [P + N] |
345,603 |
281,650 |
253,464 |
177,122 |
227,910 |
Deals with phosphorus and nitrogen emissions |
| Aquatic oxygen demand |
Kg COD |
699,790 |
498,670 |
476,562 |
518,935 |
443,870 |
Total Chemical Oxygen Demand (COD) |
| Heavy metals to water |
Kg heavy metals |
20,269 |
16,192 |
18,731 |
19,520 |
17,522 |
Total heavy metals emissions |
| Aquatic ecotoxicity |
Kg Cu Eq |
20,269 |
12,086 |
12,256 |
10,772 |
11,490 |
Includes mass emissions of various metals expressed in copper
equivalent |
| Emissions to air
In general terms, absolute concentrations are low and all of
our sites are well within local regulation limits. The increase
year on year is due to increases in production, and does not
take account of reforestation (see the carbon neutrality section).
Since 2002, we have been installing scrubbers (at Ang Mo Kio,
Agrate, Rousset, and other sites) to reduce emissions to air,
particularly of solvents (VOC and POC). Some other actions have
been identified and will be implemented in 2006. |
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| STEV22: Environmental burden: normalized
values |
| |
Front-end sites |
|
Back-end sites |
| Emissions to air |
2001 |
2002 |
2003 |
2004 |
2005 |
|
2001 |
2002 |
2003 |
2004 |
2005 |
| Global warming |
100 |
81.1 |
73.7 |
64.0 |
71.8 |
|
100 |
97.4 |
79.7 |
77.7 |
68.4 |
| Ozone depletion |
100 |
11.4 |
0.6 |
7.8 |
0.0 |
|
100 |
85.4 |
22.0 |
14.0 |
9.1 |
| VOCs |
100 |
90.3 |
74.7 |
56.5 |
52.76 |
|
100 |
155.8 |
130.6 |
126.4 |
114.0 |
| Atmospheric acidification |
100 |
129.8 |
150.0 |
68.8 |
87.0 |
|
100 |
65.8 |
78.2 |
27.7 |
79.7 |
| Photochemical ozone creation |
100 |
246.4 |
207.0 |
117.9 |
83.4 |
|
100 |
782.6 |
134.3 |
209.9 |
130.5 |
| Air emission toxicity |
100 |
164.4 |
250.5 |
68.9 |
131.0 |
|
100 |
138.1 |
86.3 |
21.9 |
22.5 |
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Front-end sites |
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Back-end sites |
| Emissions to water |
2001 |
2002 |
2003 |
2004 |
2005 |
|
2001 |
2002 |
2003 |
2004 |
2005 |
| Eutrophication |
100 |
70.0 |
47.0 |
30.5 |
38.2 |
|
100 |
53.6 |
74.0 |
34.4 |
25.1 |
| Aquatic oxygen demand |
100 |
57.1 |
56.9 |
55.4 |
45.5 |
|
100 |
59.7 |
33.8 |
28.0 |
15.9 |
| Heavy metals to water |
100 |
69.6 |
69.1 |
46.0 |
34.2 |
|
100 |
59.0 |
61.6 |
79.1 |
70.7 |
| Aquatic ecotoxicity |
100 |
47.7 |
36.6 |
30.0 |
31.1 |
|
100 |
53.4 |
65.5 |
41.7 |
31.5 |
| Emissions to water
Here also, absolute values are low and all sites are well within
local regulation limits. The figures above take into account
all effluent, both in surface water after it has left the waste
water treatment station (where these exist), and water that
goes directly to the sewer. They also take into account the
fact that public water treatment stations are not able to eliminate
heavy metals and are able to eliminate only 50% of phosphorus
and nitrogen.
The table above presents the normalized values for the Environmental
Burden indicators by total front-end (FE) and back-end (BE)
sites against a baseline of 100 in 2001.
Eco-footprints
STEV23; EN1
We use eco-footprints to allow a fast, fact-based evaluation
of environmental performance improvement and a comparison of
data from different sites. The ratio of performance against
the standard reference is plotted on a radar chart. A value
equal to (or below) 1.0 means we are performing at (or better
than) our standard.
In 2005 the total front-end eco-footprint value improved slightly
from 1.44 to 1.39. Some parameters such as electricity or water
consumption have improved, but some others (in particular emissions
to air and to waste water) are not progressing and we have launched
initiatives to reach our Decalogue targets.
In order to monitor improvements, eco-footprints are reviewed
on a quarterly basis.
The back-end results are improving as well, and the corresponding
eco-footprint has decreased from 1.02 to 0.94 in 2005. Most
of the parameters are in line with our targets.
| Front-end sites eco-footprints 2005 |
| EFP = 1.39 (weighted average) |
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| Back-end sites eco-footprints 2005 |
| EFP = 0.94 (weighted average) |
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