1.2 List of all used signs in the document
The following symbols are used in this manual to identify sections that require special
attention:
A hazard exists that will result in death or severe injury if not
avoided.
Danger!
Improper handling of certain reagents can cause damage to your
health. In any case follow the safety labels on the packing, the safety
instructions of the package insert and available SDS. Protective
Warning!
measures specified there have to be followed exactly.
A hazard exists that may result in minor or moderate injury.
Caution!
1.3 Abbreviations
Abbreviation
NTU
FNU
mg/l
EN TB 350
1 Introduction
Definition
Nephelometric Turbidity Unit
Formazin Nephelometric Units
Milligram per liter
EN
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