ENVIRONMENTAL FINAL GOVERNING STANDARDS ITALY

ITALY - 4 Wastewater
Parameter Unit
Urban Wastewater
Discharge to a
Surface Water
Urban Wastewater
commingled with Industrial
1 (20)
Wastewater
Discharge to Discharge to
Italian Sewer Surface Water
System (10)
Industrial
Wastewater and
Urban
Wastewater
Discharge to
Soil (18)
Al mg/L -- 2 1 1
As mg/L -- 0.5 0.5 0.05
Ba mg/L -- -- 20 10
Be mg/L -- -- -- 0.1
B mg/L -- 4 2 0.5
Cd mg/L -- 0.02 0.02 --
Total Cr mg/L -- 4 2 1
Cr VI mg/L -- 0.2 0.2 --
Fe mg/L -- 4 2 2
Mn mg/L -- 4 2 0.2
Hg mg/L -- 0.005 0.005 --
Ni mg/L -- 4 2 0.2
Pb mg/L -- 0.3 0.2 0.1
Cu mg/L -- 0.4 0.1 0.1
Se mg/L -- 0.03 0.03 0.002
Sn mg/L -- -- 10 3
V mg/L -- -- -- 0.1
Zn mg/L -- 1 0.5 0.5
Total Cyanides
(as Cn)
mg/L -- 1 0.5 --
Free Active
Chlorine
mg/L -- 0.3 0.2 0.2
Sulfide
(as H2S)
mg/L -- 2 1 0.5
Sulfite (as
SO3)
mg/L -- 2 1 0.5
Sulfate
(as SO4)
mg/L -- 1,000 (13) 1,000 (13) 500
Chlorides mg/L -- 1,200 (13) 1,200 (13) 200
Fluorides mg/L -- 12 6 1
Total
Phosphorus
(as P) (17)
Total Nitrogen
(as N) (17)
mg/L Annual Average
Urban Wastewater
discharging to
Surface Water in
Sensitive Areas
10,000-100,000 IE
2 or 80%
reduction (7)
>100,000 IE
1 or 80% reduction
(7)
mg/L Annual Average
Urban Wastewater
10 (12) 10 (12) 2
-- Industrial
Wastewater
September 2012 Italy FGS 4-21
Revision 0
15