Difference between revisions of "Region 1 nutrient reduction efficiency factors for sweeping impervious areas (USEPA 2017a)"
(Created page with "<font size=3>'''Region 1 nutrient reduction efficiency factors for sweeping impervious areas (USEPA 2017a)'''.</font size><br> Link to this Region 1 nutrient reduction effic...") |
(No difference)
|
Revision as of 20:33, 22 September 2020
Region 1 nutrient reduction efficiency factors for sweeping impervious areas (USEPA 2017a).
Link to this table
| Frequency | Sweeper technology | Phosphorus reduction factor | Nitrogen reduction factor |
|---|---|---|---|
| 2/year (spring and fall) | Mechanical Broom | 0.01 | 0.01 |
| 2/year (spring and fall) | Vacuum Assisted | 0.02 | 0.02 |
| 2/year (spring and fall) | High-efficiency Regenerative Air-Vacuum | 0.02 | 0.02 |
| Monthly | Mechanical Broom | 0.03 | 0.03 |
| Monthly | Vacuum assisted | 0.04 | 0.04 |
| Monthly | High-efficiency Regenerative Air-Vacuum | 0.08 | 0.08 |
| Weekly | Mechanical broom | 0.05 | 0.06 |
| Weekly | Vacuum assisted | 0.08 | 0.07 |
| Weekly | 0.10 | 0.10 | High-efficiency Regenerative Air-Vacuum |