With regard to storage retention time of CO2 in sedimentary basins, petroleum systems could provide an example.

Energy requirements: Given the high operating temperatures and long retention times the fossil fuel requirements for cement kilns are likely to be quite high.

Due to the high operating temperatures and long retention times the fossil fuel requirements for cement kilns are likely to be quite high.

At the same time, retention of title arrangements presents certain disadvantages.

At the same time, retention-of-title arrangements present certain disadvantages.

This member expressed the view that since salary increases encouraged retention, the timing was not right for requesting an across-the-board increase.

Iraq agrees that it is logical to assume that the increase of influent to As-Samra Wastewater Treatment Plant was due to the increase in the number of households connected to the sanitary sewage system, including refugees, and that this may have caused poorer quality effluent from the plant as a result of the reduction in the wastewater retention time within the ponds.

Iraq agrees that it is logical to assume that the increase of influent to As-Samra wastewater treatment plant was due to the increase in the number of households, including households of refugees that were connected to the sanitary sewage system and that this might have resulted in poorer quality effluent from the plant due to the reduction in the wastewater retention time within the ponds.

(c) There was some support for the retention for the time being of the draft article 99 tacit amendment procedure, since it was thought to allow for a faster amendment process than a protocol to the convention.

The Afghan National Army has been particularly successful in building its image as a symbol of Afghan unity, and in recent months its effectiveness has improved significantly, but it still faces a number of key challenges, including recruitment and retention of staff and timely and secure payment of salaries.