|
BMP
Type
|
BMP
Removal Efficiency (%)
|
| |
TSS
|
TP
|
TN
|
|
Dry Pond
|
85
|
61
|
91
|
|
Swale
|
80
|
45
|
25
|
|
Baffle Box
|
80
|
30
|
0
|
|
Inlet Trap (grated)
|
73**
|
79**
|
79**
|
|
Inlet Trap (curb)
|
2***
|
11***
|
10***
|
|
Swale + Inlet Trap (g)
+ Baffle Box
|
98.9
|
91.9
|
84.2
|
|
Dry Pond + Inlet Trap
(g) + Baffle Box
|
99.2
|
94.3
|
98.1
|
|
Inlet Trap (c)+ Baffle
Box
|
84
|
37.7
|
10
|
|
Inlet Trap (g)+ Baffle
Box
|
81.1
|
85.3
|
79
|
| |
|
|
|
|
Multiple
BMP Pollutant Removal Calculations
|
| |
|
|
|
|
Swale + Inlet Trap
(g) + Baffle Box
|
|
|
|
|
TSS - 100 x 0.8 + (100-80)
x 0.73 + (100-80-14.6) x 0.8 = 98.9% Removal
|
|
TP - 100 x 0.45 + (100-45)
x 0.79 + (100-45-43.45) = 91.9% Removal
|
|
TN - 100 x 0.25 + (100-25)
x 0.79 = 84.2% Removal
|
|
| |
|
|
|
|
Dry Pond + Inlet Trap
(g) + Baffle Box
|
|
|
|
TSS - 100 x 0.85 + (100-85)
x 0.73 + (100-85-10.95) x 0.8 = 99.2% Removal
|
|
|
TP - 100 x 0.61 + (100-61)
x 0.79 + (100-61-30.8) x 0.3 = 94.3% Removal
|
|
|
TN - 100 x 0.91 + (100-91)
x 0.79 = 98.1% Removal
|
|
| |
|
|
|
|
Inlet Trap (c) + Baffle
Box
|
|
|
|
|
TSS - 100 x 0.2 + (100-20)
x 0.8 = 84% Removal
|
|
|
TP - 100 x 0.11 + (100-11)
x 0.3 = 37.7% Removal
|
|
|
|
TN - 100 x 0.10 = 10%
Removal
|
|
|
|
| |
|
|
|
|
Inlet Trap (g) + Baffle
Box
|
|
|
|
|
TSS - 100 x 0.73 + (100-73)
x 0.30 = 81.1% Removal
|
|
|
TP - 100 x 0.79 + (100-79)
x 0.3 = 85.3% Removal
|
|
|
TN - 100 x 0.79 = 79%
Removal
|
|
|
|
