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WQ 4.2.6 BMP Removal - Coggle Diagram
WQ 4.2.6 BMP Removal
Both washoff and ponded pollutant loads
may be reduced by applying a BMP removal factor to them
BMP removal factor
meant to reflect the effect in removing a surface runoff pollutant
effect that some assumed best management practice (BMP) would have
Examples of such BMPs
vegetated swales
Typical removals for these practices listed in Table 4-2
overland flow
riparian buffer strips
A different BMP removal factor can be associated with
each pollutant and category of land use
for washoff of surface buildup
they are applied separately to the washoff rate computed for
each pollutant in each land use in a given subcatchment
Wwashoff
Rjp is the BMP removal factor for pollutant p and land use j
Ravg,p
p:pollutant
Wponded