P-41.1, r. 5 - Guidelines respecting odours caused by manure from agricultural activities

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Attenuation factor (parameter F)
F = FI x F2 x F3

Technology Parameter F

Roof over storage site F1

- absent 1.0
- rigid, permanent 0.7
- temporary (layer of peat, 0.9
plastic cover)

Ventilation F2

- natural and forced with multiple 1.0
air outlets
- forced with grouped air outlets and 0.9
air outlets above roof
- forced with grouped air outlets with 0.8
air washer or biological filters

Other technologies F3

- new technologies may be used to Factor to be
reduce distances when their determined upon
efficiency has been proven accreditation
M.O. 2003-012, Sch. F.