Merano 2009 Environmental Statement English MemcES_2009

ENVIRONMENTAL STATEMENT 2009
DIRECT ENVIRONMENTAL ASPECTS
Graph 10 – Water discharges
Quantity discharged ( Mil m3 )
16
14
12
10
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
105
100
95
90
Water discharged % water discharged / water collected
Trend (% water discharged / water collected)
The following tables and graphs show the amounts of nitrous nitrogen, nitric nitrogen, fluorides and chlorides discharged directly into
the Adige River. The amounts analyzed are within prescribed limits.
YEAR
Limit (*)
NITROUS NITROGEN (as N)
Maximum
concentration
Average
concentration
mg/ liter mg/ liter mg/ liter
2000 0.6 0.10 0.07
2001 0.6 0.17 0.08
2002 0.6 0.10 0.06
2003 0.6 0.06 0.01
2004 0.6 0.02 0.02
2005 0.6 0.02 0.02
2006 0.6 0.006 0.004
2007 0.6 0.020 0.01
2008 0.6 0.020 0.011
2009 0.6 0.030 0.015
YEAR
Limit (*)
FLUORIDES
Maximum
concentration
Average
concentration
mg/ liter mg/ liter mg/ liter
2000 6 1.7 0.6
2001 6 0.5 0.4
2002 6 2.2 0.5
2003 6 0.4 0.3
2004 6 0.8 0.4
2005 6 0.5 0.4
2006 6 0.5 0.3
2007 6 2.1 0.5
2008 6 0.5 0.4
2009 6 0.5 0.4
YEAR
Limit (*)
NITRIC NITROGEN (as N)
Maximum
concentration
Average
concentration
mg/ liter mg/ liter mg/ liter
2000 20 10.1 5.6
2001 20 8.4 4.8
2002 20 8.6 5.6
2003 20 6.4 2.7
2004 20 3.6 2.4
2005 20 5.7 2.9
2006 20 2.4 2.0
2007 20 2.17 1.98
2008 20 2.3 2.2
2009 20 4.7 2.5
YEAR
Limit (*)
CHLORIDES
Maximum
concentration
Average
concentration
mg/ liter mg/ liter mg/ liter
2000 1200 524.0 136.5
2001 1200 488.8 75.2
2002 1200 381.0 57.6
2003 1200 348.0 22.1
2004 1200 12.0 8.0
2005 1200 12.0 9.8
2006 1200 12.8 8.6
2007 1200 20.0 9.71
2008 1200 16.5 11.14
2009 1200 12 8.67
(*) Since 2002, the reference limits have been those set forth by Italian Provincial Law no. 8 dated 18th June 2002.
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