Translation of "Twice-a-week collection " (English → French) :

I would have to do so at least twice a week. This is a long-term measure and I would like to know to what extent it will harm my health.

establish the net asset values of their units, communicate them to the competent authorities at least twice a week and publish them twice a month.

(vi) tethering or isolation of livestock shall be prohibited, unless for individual animals for a limited period of time and justified for safety, welfare or veterinary reasons; derogations may however be authorised by the authority or body delegated by the competent authority if cattle are tethered in buildings which already existed before 24 August 2000 or in smallholdings where it is not possible to keep them in groups appropriate to their behavioural requirements, provided they have access to pastures at least twice a week, open air runs or exercise areas and rearing takes place in line with animal welfare requirements with comforta ...[+++]ble littered areas and as individual management;

I could also point to the case of the captain who sails the same route once or twice per week and enters the same port once or twice per week: does he not know the problems involved in bringing the ship – his ship – into that port as well as any pilot who has been doing so for a while?

As a check on the efficiency of the process, the chemical oxygen demand (COD) or the dissolved organic carbon (DOC) of the glass fibre filtered effluent accumulated in vessel F and of the filtered synthetic sewage in vessel A is measured at least twice per week.

The content of dry matter in the activated sludge contained in the aeration vessel should be determined twice a week in g/l.