| Chemical Product | Volume Applied | Notes / Dilution |
|---|---|---|
|
Sodium Hypochlorite 12.5% (diluted to 3.5%)
⚠️ See SDS below · OSHA HazCom 2012
|
98.00 gal | Industrial loading dock — heavy oil, tire rubber, and organic contamination |
|
Degreaser Pro HD Heavy-Duty Degreaser
⚠️ See SDS below · OSHA HazCom 2012
|
18.00 gal | 2 oz/gal; alkaline degreaser pre-treat for petroleum contamination |
|
pH Down Industrial Grade
⚠️ See SDS below · OSHA HazCom 2012
|
22.00 gal | Concrete runoff extremely alkaline (pH 12.1) — aggressive neutralization required |
| Time | Location | pH Reading | Note |
|---|---|---|---|
| 04:00 | Dock bay #7 drain | 12.1 | Baseline — extreme alkalinity from concrete + degreaser pre-wet |
| 08:30 | Dock bay #7 drain | 10.4 | Mid-wash — heavy load requires extended treatment |
| 11:15 | Dock bay #7 drain | 8.2 | Neutralizer pass 1 |
| 12:00 | Dock bay #7 drain | 7.8 | Final reading — within NV NDEP 6.5–9.0 standard |