Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
5.1 Water characteristics
5.2 Preparation of synthetic test waters using mother
solutions
6 Apparatus
6.1 Temperature measurement
6.2 Circulation-rate monitor
6.3 Make-up, evaporation and blow-down measurement
6.4 Cooling tower
7 Test method
7.1 Procedure
7.1.1 Cleaning of the test assembly
7.1.2 Test tube preparation and pre-treatment
7.1.3 System water content
7.1.4 Procedure to fill the cooling water system
7.1.5 Heating the test tubes
7.1.6 Flow rate
7.1.7 Blow-down and half-life
7.1.8 Biocide treatment
7.1.9 Make-up water for cooling-tower use
7.2 Determination of analytical and control parameters
7.3 Test data reporting
7.4 Test termination
8 Assessment of results
8.1 Recording of cooling water quality
8.2 Treatment of the test tubes
8.3 Assessment of results on deposition and fouling
8.4 Assessment of results on corrosion
9 Test report
Annex A (informative) - Test data sheet on the performance
of cooling water treatment programmes
Annex B (informative) - Further information on some methods
of measurement and test
Bibliography