| Chemical Product | Volume Applied | Notes / Dilution |
|---|---|---|
|
Sodium Hypochlorite 12.5% (diluted to 2%)
⚠️ See SDS below · OSHA HazCom 2012
|
44.00 gal | Roof stucco — algae and desert dust removal; zero-discharge to storm infrastructure |
|
Elemonator Non-ionic Surfactant
⚠️ See SDS below · OSHA HazCom 2012
|
4.50 gal | 0.5 oz/gal; improves adhesion on textured stucco surface |
| Time | Location | pH Reading | Note |
|---|---|---|---|
| 05:30 | Pool equipment drain | 8.6 | Baseline — Arizona hardwater, naturally elevated pH |
| 09:00 | Pool equipment drain | 8.1 | Mid-wash |
| 10:30 | Pool equipment drain | 7.3 | Post-rinse — within ADEQ 6.0–9.0 discharge standard |