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Which table from the National Plumbing Code is used to determine the size of a storm building sewer?

  1. 1.2.3.4

  2. 2.4.10.9

  3. 3.5.7.2

  4. 4.6.8.1

The correct answer is: 2.4.10.9

The table from the National Plumbing Code that is used to determine the size of a storm building sewer is found in Section 2.4.10.9. This is because this section specifically deals with sizing of storm building sewers. The other options refer to different sections that do not pertain to this specific question. For example, Section 1.2.3.4 deals with general definitions and Section 3.5.7.2 deals with water distribution systems. Therefore, these options are incorrect as they are not relevant to the question asked.