# The Private Water Supplies (Scotland) Regulations 2006, Paragraph


The parametric value applies to the sum of the concentrations of the individual compounds detected and quantified in the monitoring process.
Part II: National requirements
(1)Item
(2)Parameters
(3)Concentration or Value (maximum unless otherwise stated))
(4)Units of Measurement
1.
Aluminium
200
µgA1/1
2.
Colour
20
mg/l Pt/Co
3.
. . .
. . .
. . .
4.
Iron
200
µgFe/l
5.
Manganese
50
µgMn/l
6.
. . .
. . .
. . .
7.
Silver(i)
10
µg Ag/l
8.
Sodium
200
mgNa/l
9.
. . .
. . .
. . .
10.
Tetrachloromethane
3
µg/l
11.
Turbidity(ii)
4
NTU
12.
Zinc
5000
µg Zn/l

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Source: https://www.legislation.gov.uk/ssi/2006/209/schedule/1/part/2/paragraph/wrapper3n1 (the official version)
Page: https://openlegislation.uk/private-water-supplies-scotland-regulations-2006/schedule-1/part-2/paragraph-wrapper3n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.