Lab Report Water analysis (BOD, MPN and fitration) (24 points) Remember that you

Question

Lab Report Water analysis (BOD, MPN and fitration) (24 points) Remember that your lab instructor knows about the bacterial concentration of your water sample. And you are going to get full points only if your results are consistent with the known number(s). Justification will probably be necessary when unexpected results are obtained. I. Biological Oxygen Demand (BOD) (6 points) (1) (3 points) Fill in Table I below Table 1. BOD determination of your water sample Volume of Volume of water Thiosulfate Thiosulfate added To BOD sample added Ts aas 1.91 m (2) Analysis (3 point) Were you able to measure the BOD of your sample? If so, discuss teelnc ofpollution in the water sample. Ifnot, discuss what might have happened II. Most Probable Number of Bacteria (MPN) (11 points)

Explanation / Answer

If the water sample has a BOD of less than 2, then the sample is good enough. This also indicates that, there are less or negotiable pollutants were present in the source of the water. This water can be used for drinking purpose also.

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