[F1 SCHEDULE 12 E+W+S Monitoring of water bottled and labelled as “spring water” and bottled drinking water

Textual Amendments

F1 Sch. 12 inserted (6.4.2018) by The Natural Mineral Water, Spring Water and Bottled Drinking Water (England) (Amendment) Regulations 2018 (S.I. 2018/352), reg. 1(1), Sch. 2

PART 9 E+W+S Monitoring obligations relating to indicator parameters

SECTION 4 E+W+S Minimum performance characteristics for a method of analysis

Parameters	Uncertainty of measurement - percentage of the parametric concentration	Other requirements relating to the uncertainty of measurement	Other requirements
Aluminium	25
Ammonium	40
Chloride	15
Conductivity	20
Iron	30
Manganese	30
Oxidisability	50
Sodium	15
Sulphate	15
Total organic carbon	30	The uncertainty of measurement must be estimated at the level of 3 mg/l of the total organic carbon.	BS EN 1484: 1997 entitled “Water analysis —Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)” (ISBN 0 580 28372 0) published by the BSI on 15th October 1997 must be used.
Turbidity	30	The uncertainty of measurement must be estimated at the level of 1.0 nephelometric turbidity unit in accordance with BS EN ISO 7027-1:2016 entitled “Water quality — Determination of turbidity. Part 1: Quantitative methods (ISO 7027-1: 2016)” (ISBN 978 0 580 81961 2) published by the BSI on 31st July 2016.]