Sampling really should be carried out at defined areas and by techniques intended to avert contamination of the material sampled and contamination of other materials.In the course of the retention period, originals or copies of data really should be readily available within the establishment exactly where the actions described in this kind of recor
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There are many standardized techniques for measuring COD, but the commonest could be the dichromate reactor digestion method which requires the reaction of sample with potassium dichromate inside of a sulfuric acid Remedy.Discharge permits could stipulate a selected greatest focus for BOD or COD, or maybe a % removing. Some plants demand attaining
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