ENVIRONMENTAL FINAL GOVERNING STANDARDS ITALY

ITALY - 4 Wastewater
Parameter # Parameter (1)
25 Total Cyanides
(as CN)
26 Free active
chlorine
Unit of
Measure
Discharge into Surface Water
A B C D E
mg/L 0.5 0.5 0.5 0.1 1
mg/L 0.5 0.5 0.3 0.2 2
27 Sulfides (as H 2S) mg/L 2 2 1 0.5 2
28 Sulfites (as SO 3) mg/L 2 2 1 1 10
29 Sulfates (as SO 4) mg/L 1000 (12) (15) 1000 1000 (12) (15) 500
30 Chlorides mg/L 1200 (12) (15) 1200 1200 (12) (15) 400
31 Fluorides mg/L 12 12 6 3 20
32 Total Phosphorus
(as P)
33 Ammonium
nitrogen (as NH 4)
34 Nitrous Nitrogen
(as N)
35 Nitric Nitrogen
(as N)
35.1 Total inorganic
nitrogen (as N)
36 Animal/vegetal oil
and grease
37 Total
hydrocarbons:
- mineral
oils
- PAH
mg/L 20 (13) 15 (13) 10 (13) 5 (13) 20 (13)
mg/L 30 (14) 30 (14) 15 (14) 5 (14) (17) (14)
30
mg/L 2 (14) 2 (14) 0.6 (14) 0.2 (14) 2 (14)
mg/L 20 (14) 20 (14) 50 (14)
mg/L 55 55
mg/L 40 20 20 20 20 (16)
mg/L 5 5 2 5
38 Phenols mg/L 0.5 0.5 0.5 0.005 0.5
38.1 Clorophenol (2) (4) mg/L 0.1 0.001
38.2 2,4, dinitro cresol mg/L 0.1 0.001
38.3 2,4 dinitrophenol mg/L 0.15 0.0015
38.4 2,4
dichlorophenol
September 2012 Italy FGS 4-26
Revision 0
0.4
0.05
mg/L 0.01 0.0001
38.5 Phenol mg/L 0.5 0.005
38.6 Nitrophenyl (2) (4) mg/L 0.5 0.005
38.7 Pentachloropheno
l
38.8 2,4,6
trinitrophenol
mg/L 0.01 0.0001
mg/L 0.5 0.005
39 Aldehydes mg/L 1 1 1 0.01 4
39.1 Acrolein mg/L 0.002 absent
3 (18)