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eLibrary > BS ISO 20679:2025 Ships and marine technology. Marine environment protection. Testing of ship biofouling in-water cleaning systems >

BS ISO 20679:2025 Ships and marine technology. Marine environment protection. Testing of ship biofouling in-water cleaning systems, 2025

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BS ISO 20679:2025 Ships and marine technology. Marine environment protection. Testing of ship biofouling in-water cleaning systems, 2025

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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Fundamental information needed for testing of IWC systems [Go to Page]
4.1 Factors that can impact performance
4.2 Fundamental parameters
5 Test experimental design [Go to Page]
5.1 General
5.2 Classification of IWC system application for testing
5.3 Duration and extent of testing [Go to Page]
5.3.1 General
5.3.2 Proactive systems
5.3.3 Reactive systems
6 Quantification of biofouling removal and prevention [Go to Page]
6.1 IWC systems [Go to Page]
6.1.1 General
6.1.2 Proactive systems
6.1.3 Reactive systems
6.2 Fouling rating
6.3 Control and treated test locations
6.4 Biofouling survey sampling methods [Go to Page]
6.4.1 General
6.4.2 Hull areas
6.4.3 Niche areas
6.4.4 Hull and niche areas
6.4.5 Proactive systems
6.5 Dive survey sampling method during low visibility [Go to Page]
6.5.1 Hull areas
6.5.2 Niche areas
6.6 Environmental characteristics to quantify
7 Quantification of changes to water quality [Go to Page]
7.1 Water quality measures as proxies for broad environmental impacts [Go to Page]
7.1.1 General
7.1.2 Proactive systems
7.1.3 Reactive systems
7.2 Water quality parameters to quantify
7.3 Water quality sample collection
7.4 Environmental characterization
8 Quantification of debris processing and effluent [Go to Page]
8.1 Overview
8.2 Sampling the debris processing unit
8.3 Water quality parameters to quantify
8.4 Solid waste disposal
9 Quantification of IWC impact on ship coatings
10 Data management [Go to Page]
10.1 System for data management [Go to Page]
10.1.1 General
10.1.2 Data quality objectives
10.1.3 Data quality indicators
10.2 Data recording and archiving
10.3 Data analysis [Go to Page]
10.3.1 Overview
10.3.2 Quality assurance and quality control
10.3.3 Measurement uncertainty
11 Quality assessments [Go to Page]
11.1 Fundamental principles
11.2 Technical audits [Go to Page]
11.2.1 Overview
11.2.2 Technical system audit
11.2.3 Audit of data quality
11.3 Data quality assessment
11.4 Non-conforming work and corrective action
11.5 Audit reporting
12 Human health and environmental safety
13 Test report
Annex A (informative) Example of biofouling surveys of various surface types
Annex B (informative) Optional method for additional determinations of IWC impacts on ship coatings
Bibliography [Go to Page]

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