Table 6. Probability of Exceedance of PCE Concentration in Monte Carlo Simulations
of PCE Fate and Transport Analysis a
- |
Time (year) |
0.1% of PCE source concentrationb |
1% of PCE source concentration |
5% of PCE source concentration |
10% of PCE source concentration |
OSP Property Boundary |
2 |
100% |
0.22% |
0 |
0 |
5 |
100% |
100% |
99.6% |
52.72% |
|
10 |
100% |
100% |
100% |
100% |
|
24th Street |
5 |
100% |
81.9% |
0 |
0 |
10 |
100% |
100% |
100% |
1.6% |
|
20 |
100% |
100% |
100% |
88.3% |
|
One mile down-gradient |
15 |
99% |
0 |
0 |
0 |
20 |
100% |
99.9% |
0 |
0 |
|
30 |
100% |
100% |
100% |
0 |
|
The Willamette River |
40 |
100% |
96.9% |
0 |
0 |
50 |
100% |
100% |
9% |
0 |
|
60 |
100% |
100% |
97% |
0 |
a All simulations are performed using a two-dimensional model.
b The PCE source concentration (17,000 µg/L).