Protection of Aquifers - Hydrogeology: Objectives, Methods, Applications - page 193

once water reaches the tap, treatment residues: trihalomethanes
(chloroform, bromoform), bromates....

The nature and frequency of sanitary analyses are determined by the
December 20th, 2001 2001-1220 decree, which is the translation in French
legal terms of the October 23rd, 2000 European Union Parliament and
Council's European Framework Directive 2000/60/CE.
Table 19 Water Quality Limits.

Escherichia coli 0 per 100 ml

Enterococci 0 per 100 ml

Acrylamide 0.1 μg·L -1

Antimony 5 μg·L -1

Arsenic 10 μg·L -1

Barium 0.7 mg·L -1

Benzene 1 μg·L -1

Benzo(a)pyrene 0.01 μg·L -1

Borium 1 mg·L -1

Bromates 10 μg·L -1

Cadmium 5 μg·L -1

Chromium 50 μg·L -1

Vinyl chloride 0.5 μg·L -1

Copper 2 mg·L -1

Total cyanides 50 μg·L -1

1-2-dichloroethane 3 μg·L -1

Epichlorhydrin 0.1 μg·L -1

Fluorides 1.5 mg·L -1

Polycyclic aromatic hydrocarbons (PAHs) 0.1 μg·L -1

Total mercury 1 μg·L -1

Mycrocystin-LR 1 μg·L -1

Nickel 20 μg·L -1

Nitrates 50 mg·L -1

Nitrites 0.5 mg·L -1

Aldrin, dieldrin, heptachlor, heptachlor epoxide 0.03 μg·L -1

Other pesticides 0.1 μg·L -1

Total pesticides 0.5 μg·L -1

Lead 10 μg·L -1

Selenium 10 μg·L -1

Tetrachloroethylene, trichloroethylene 10 μg·L -1

Total trihalomethanes (THM) 100 μg·L -1

Turbidity 1 NFU

Radioactivity: total indicative dose 0.1 mSv per year

Tritium 100 Bq·L -1