WebProduce a dilution water blank containing unseeded dilution water. Fill a BOD bottle completely with unseeded dilution water. This bottle will serve as a rough check of the quality of the dilution water and the cleanliness of the bottles. WebBOD basics; BOD sample pre-treatment; BOD equipment and supplies; DO meter calibration; BOD dilution water; BOD seed; BOD toxicity; BOD quality control; cBOD; …
Are there troubleshooting tips for low GGA results when testing BOD?
WebFeb 27, 2013 · The BOD test used to measure the amount of oxygen consumed by these organisms can occasionally give operators some trouble. The BOD 5 test consists of an initial and final DO reading. There … WebClick to download worksheet: Troubleshooting chart for Glucose/Glutamic Acid and commercial seed used for the BOD test. Control charting is a way to visually track performance to determine … depaul research database
Lab 15: Biochemical Oxygen Demand - Mountain Empire …
WebNov 17, 2024 · Troubleshooting tips for BOD Seed Contribution Answer Provide a detailed answer to the question posted above. When testing Biochemical Oxygen Demand (BOD), Standard Methods recommends that the seed contribution be 0.6 - 1.0 mg/L oxygen depletion, though this can be adjusted to ensure Glucose and Glutamic Acid (GGA) … Webparticulate-matter BOD problem if the effluent TSS gets quite high. Ordinarily, one mg/L of effluent TSS produces about 0.5 mglL BOD5• At low values of BOD5 plus TSS, the sum … WebSep 25, 2024 · BOD GGA too high Answer There are two common reasons that results when testing GGA are high. The GGA might be overseeded, or the GGA might be made … depaul players in nba