From: Advances in Porous Pavement
Table Three
| Table 3. Polutant Reduction |
| Pollutant |
Asphalt |
Eco-Stone |
Crushed Stone |
| Amonia Nitrogen (mg/L) |
0.18 |
0.05 |
0.11 |
| Copper (mg/L) |
18 |
6 |
16 |
| Lead (mg/L) |
6 |
2 |
3 |
| Nitrate Nitrogen (mg/L) |
0.6 |
0.2 |
0.3 |
| Total KjeldahlNitrogen (mg/L) |
8 |
0.7 |
1.6 |
Total Phosphorus
(mg/L) |
0.244 |
0.162 |
0.155 |
| Total Suspended Solids (mg/L) |
47.8 |
15.8 |
33.7 |
| Zinc (mg/L) |
87 |
25 |
57 |
| Source: EPA |
March-April 2005
From: Advances in Porous Pavement
Table Three
| Table 3. Polutant Reduction |
| Pollutant |
Asphalt |
Eco-Stone |
Crushed Stone |
| Amonia Nitrogen (mg/L) |
0.18 |
0.05 |
0.11 |
| Copper (mg/L) |
18 |
6 |
16 |
| Lead (mg/L) |
6 |
2 |
3 |
| Nitrate Nitrogen (mg/L) |
0.6 |
0.2 |
0.3 |
| Total KjeldahlNitrogen (mg/L) |
8 |
0.7 |
1.6 |
Total Phosphorus
(mg/L) |
0.244 |
0.162 |
0.155 |
| Total Suspended Solids (mg/L) |
47.8 |
15.8 |
33.7 |
| Zinc (mg/L) |
87 |
25 |
57 |
| Source: EPA |