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ENVIRONMENTAL FINAL GOVERNING STANDARDS ITALY

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<strong>ITALY</strong> - 3 Drinking Water<br />

Parameter Methodology<br />

spectrophotometry, or<br />

Method with specific electrodes<br />

NO2<br />

Molecular absorption<br />

spectrophotometry<br />

Odor Technique with progressive<br />

dilutions at 25 °C and 12°C<br />

Oxidizability Potassium permanganate method<br />

Pesticides Gas or liquid chromatography<br />

upon extraction through solvents<br />

and purification, or<br />

Identification of the mixture<br />

components and quantitative<br />

determination<br />

Polycyclic<br />

aromatic<br />

hydrocarbons<br />

Gas chromatography and mass<br />

spectrometry; or<br />

Measure of UV Fluorescence upon<br />

IRSA/CNR 1<br />

Analytical Method<br />

Code<br />

Method<br />

Detection<br />

Limit<br />

4050 0.001 – 0.2<br />

mg/l<br />

2050<br />

5050 for<br />

nitrogenous<br />

pesticides;<br />

5060 for<br />

phytosanitary<br />

products;<br />

5090 for<br />

chlorinated<br />

pesticides;<br />

5100 for<br />

phosphorated<br />

pesticides<br />

5080<br />

0.1 µg/l<br />

0.05 µg/l<br />

0.1 µg/l<br />

0.1 µg/l<br />

Residual chlorine<br />

chromatography on narrow band<br />

Molecular absorption<br />

spectrophotometry, or<br />

Potentiometry<br />

4080 0.03 – 5.0 mg/l<br />

Selenium Atomic absorption spectrometry 3260 0.2 µg/l<br />

Sodium Atomic absorption spectrometry,<br />

or<br />

Flame photometry<br />

3270 0.002 mg/l<br />

Sulfates Turbidimetric method, or<br />

Gravimetry, or<br />

Complessometry with EDTA, or<br />

Molecular absorption<br />

spectrophotometry<br />

4140 100 – 200 mg/l<br />

Taste Technique with progressive<br />

dilutions at 25 °C and 12°C<br />

2080<br />

Temperature Thermometry 2100<br />

The measure must<br />

be conducted in<br />

place, while<br />

sampling<br />

Tetrachloroethene Gas chromatography 5150 0.1 µg/l<br />

September 2012 Italy FGS 3-49<br />

Revision 0

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