This is the decription that goes with the flowchart (below).

1. 1.1 Introduction says that is has four screens (1.1.1-1.1.4) and then routes back to the Menu.
2. 1.2 Pollutants has four screens (1.2.1-1.2.4). On 1.2.4 the user has five choices on a submenu (1.2.4A-1.2.4E) The user must look at all five options before he/she can move on to screen 1.2.5. Note that there is a note in the box for 1.2.5 that says there is one screen (of content) AND a question screen. Then the user goes back to the Menu.
3. 1.3 Categories has one screen (1.3.1) with three options (1.3.1A - 1.3.1C. The user must look at all three options before moving on to screen 1.3.2 (which also includes a question). Then, the user goes back to the Menu.
4. Discharges has five screens (1.4.1-1.4.6) and then the user goes back to the Menu.

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