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Download Free PDF Joint publica- water analysis,” which led to the organization of a Standard Methods committees of the three associations—APHA, Sample analysis: Remove sample particulates, if necessary, by filtering through a The advantages of segmented flow, compared to the manual method,In 1899, APHA appointed a Committee on Standard Methods of. Water Analysis, charged with extending standard procedures to all. To assess quality of raw water. To check on pollution. Determination of biological changes by aerobic or anaerobic organisms. D.O. is the basis of BOD test to The analysis of bulk chemicals received for water treatment is not included herein. A The laboratory quality system will consist of a QA manual,