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Q-2, r. 9.01 - Design code of a storm water management system eligible for a declaration of compliance
Section 102
Disposition versions
102. The suspended matter reduction performance of the dry retention system is established in accordance with figure 4.2; it is between 40% and 60% depending on the retention period.
The retention period corresponds to the time elapsed between the time the water of the dry retention system reaches a maximum level and the time when there is less than 10% of the volume in the system.
Figure 4.2 Suspended matter reduction performance of a dry retention system according to the retention period
In force: 2020-12-31
102. The suspended matter reduction performance of the dry retention system is established in accordance with figure 4.2; it is between 40% and 60% depending on the retention period.
The retention period corresponds to the time elapsed between the time the water of the dry retention system reaches a maximum level and the time when there is less than 10% of the volume in the system.
Figure 4.2 Suspended matter reduction performance of a dry retention system according to the retention period
