Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Determination and declaration of sound
   power levels
   4.1 Reasons for the determination of sound power levels
   4.2 Methodology
5 Noise declaration according to ISO 4871
6 Selection of the appropriate International standard
   for determination of sound power levels
   6.1 Quantities to be measured and determined
   6.2 Considerations affecting choice of method
   6.3 Synopses
   6.4 Test environments
   6.5 Measurement uncertainty
   6.6 Procedure for selection
Annex A (normative) Synopses of basic International
         Standards on sound power level determinations
Annex B (informative) Acoustical test environments
Annex C (informative) Factors affecting the choice
         of measurement method
Annex D (informative) Guidance on the choice of
         appropriate International Standard for determining
         the sound power level of a sound source
Annex ZA (normative) Normative references to international
         publications with their relevant European publications
Bibliography