ENVIRONMENTAL FINAL GOVERNING STANDARDS ITALY

ITALY - 4 Wastewater
Pollutant
Daily Maximum
(mg/L)
4-day Average
(mg/L)
Cyanide, total 1.9 1.0
Copper 4.5 2.7
Nickel 4.1 2.6
Chrome 7.0 4.0
Zinc 4.2 2.6
Lead 0.6 0.4
Total Metals 10.5 6.8
Total Toxic Organics 2.13 ---
C4.3.3.1.10. In addition to the above standards, new and existing facilities that
electroplate precious metals and that discharge 38,000 liters per day (10,000 gallons per day) or
more must comply with the following standard:
Pollutant
Daily Maximum
(mg/L)
4-day Average
(mg/L)
Silver 1.2 0.7
C4.3.3.1.11. The following discharge standards apply to new and existing
facilities in the above electroplating subparts and to facilities conducting metal degreasing using
chlorinated solvents regardless of the volume of wastewater discharged:
Electroplating:
Parameter
Source of Discharge Discharge
Monthly
Average
Daily
Average
to
Surface
Water
Discharge
to
Sewer
System
Cadmium (2) 0.3 g/kg (1) -- 0.02 mg/L 0.02 mg/L
Metal Degreasing:
1,2-dichloroethane (EDC) (3) 0.1 mg/L 0.2 mg/L 1 mg/L 2 mg/L
Trichloroethylene (TCE) (3) 0.2 mg/L 0.2 mg/L 1 mg/L 2 mg/L
Perchloroethylene (PCE) (3) 0.1 mg/L 0.2 mg/L 1 mg/L 2 mg/L
Notes:
1. g of Cd discharged / kg of Cd used.
2. If Cd discharged < 10 kg/year, use surface water and sewer discharge values. If electroplating tanks >
1.5 m 3 , use monthly average discharges at the source.
3. All four sets of values shall be met for these parameters.
September 2012 Italy FGS 4-15
Revision 0