Phase 1 · Day 0
Initial Inspection & Loss Categorization
Standard reference: S500 Sec. 10.5.4 (water) / S520 Chapter 4 (mold)
Objective. Classify the loss before any chemistry hits the structure. Water gets a Category (1, 2, or 3) and a Class (1–4). Mold gets a Condition (1, 2, or 3). Wrong classification means wrong chemistry — and a failed clearance test.
Chemistry decisions
- No application chemistry yet. Moisture meter, hygrometer, infrared camera, and PPE only.
- Pre-treat hazard documentation: confirm asbestos (pre-1980 buildings), lead paint, and bloodborne-pathogen status before disturbing materials.
Soap-Man on the truck: Stage your truck inventory based on the call: 4×1gal cases of antimicrobial and degreaser for Cat 2/Cat 3 water and Condition 2/3 mold; 5gal buckets of bleach and neutral cleaner for the cleanout phase that follows.





