The Natural Mineral Water, Spring Water and Bottled Drinking Water Regulations 1999

Part II E+W Prescribed concentrations or values

TABLE A

{s001} Note(i) If silver is used in a water treatment process, 80 may be substituted for 10.
Column 1	Column 2	Column 3	Column 4
Item	Parameters	Units of Measurement	Concentration or Value (maximum unless otherwise stated)
1.	Colour	mg/l Pt/Co scale	20
2.	Turbidity (including suspended solids)	Formazin turbidity units	4
3.	Odour (including hydrogen sulphide)	Dilution number	3 at 25°C
4.	Taste	Dilution number	3 at 25°C
5.	Temperature	°C	25
6.	Sulphate	Mg SO4/l	250
7.	Magnesium	Mg Mg/l	50
8.	Sodium	Mg Na/l	150
9.	Potassium	Mg K/l	12
10.	Dry residues	Mg/l	1500 (after drying at 180°C)
11.	Nitrate	Mg NO3/l	50
12.	Nitrite	Mg NO2/l	0.1
13.	Ammonium (ammonia and ammonium ions)	Mg NH4/l	0.5
14.	Kjeldahl nitrogen	Mg N/l	1
15.	Oxidizability (permanganate value)	Mg O2/l	5
16.	Total organic carbon	Mg C/l	No significant increase over that normally observed
17.	Dissolved or emulsified hydrocarbons (after extraction with petroleum ether); mineral oils	μg/l	10
18.	Phenols	μg C6H5OH/l	0.5
19.	Surfactants	μg/l (as lauryl sulphate)	200
20.	Aluminium	μg A1/l	200
21.	Iron	μg Fe/l	200
22.	Manganese	μg Mn/l	50
23.	Copper	μg Cu/l	3000
24.	Zinc	μg Zn/l	5000
25.	Phosphorus	μg P/l	2200
26.	Fluoride	μg F/l	1500
27.	Silver	μg Ag/l	10 {s001}(i)

TABLE B

{s002}(i) The sum of the detected concentrations of individual substances. {s003}(ii) The sum of the detected concentrations of fluoranthene, benzo 3.4 fluoranthene, benzo 11.12 fluoranthene, benzo 3.4 pyrene, benzo 1.12 perylene and indeno (1,2,3–cd) pyrene.
Column 1	Column 2	Column 3	Column 4
Item	Parameters	Units of Measurement	Maximum Concentration
1.	Arsenic	μg As/l	50
2.	Cadmium	μg Cd/l	5
3.	Cyanide	μg CN/l	50
4.	Chromium	μg Cr/l	50
5.	Mercury	μg Hg/l	1
6.	Nickel	μg Ni/l	50
7.	Selenium	μg Se/l	10
8.	Antimony	μg Sb/l	10
9.	Lead	μg Pb/l	10
10.	Pesticides and related products: (a)individual substances	μg/l	0.1
	(b)total substances {s002}(i)	μg/l	0.5
11.	Polycyclic aromatic Hydrocarbons {s003}(ii)	μg/l	0.2

TABLE D

Column 1	Column 2	Column 3	Column 4
Item	Parameters	Units of Measurement	Maximum Concentration or Value
1.	Conductivity	μS/cm	1500 at 20°C
2.	Chloride	mg Cl/l	400
3.	Calcium	mg Ca/l	250
4.	Substances extractable in chloroform	mg/l dry residue	1
5.	Boron	μg B/l	2000
6.	Barium	μg Ba/l	1000
7.	Benzo 3.4 pyrene	ng/l	10
8.	Tetrachloromethane	μg/l	3
9.	Trichloroethene	μg/l	30
10.	Tetrachloroethene	μg/l	10