Using the building attached for assignment, respond to the following questions:

Using the building attached for assignment, respond to the following questions:
1. Conduct a thorough walkthrough inspection of the building and identify the possible indoor air quality problems/issues (Enumerate at least twelve (12) issues).
2. Classify these identified issues/problems based on their severity levels (impacts on building occupants) into 1) Mild, 2) Moderate, and 3) Harsh/severe
3. Analyze the possible causes of the identified problems/issues in No. 1.
4. Suggest possible measures to resolve each of the identified problems.
5. Provide a list of recommendations to avoid future occurrences.