This Standard specifies a determination of the biochemical oxygen demand of waters after 5 days (BOD5) by dilution and seeding method.
This Standard is applicable to determination of the biochemical oxygen demand of waters after 5 days (BOD5) for surface water, industrial sewage and domestic sewage.
The detection limit of this method is 0.5 mg/L. The lower limit of this method is 2 mg/L, the upper limit of non-dilution and seeding method is 6 mg/L and the upper limit of dilution and seeding method is 6 000 mg/L.
Foreword IV 1 Scope 1 2 Normative References 1 3 Principle 2 4 Reagents 2 5 Apparatus 4 6 Sample 4 7 Procedure 5 8 Calculation and Expression of Results 8 9 Quality Assurance and Quality Control 10 10 Trueness and Precision 10 Appendix A (Informative) Serial Number Comparison between This Standard and ISO 5815-1:2003 and ISO 5815-2:2003 11
