There are three areas where the ad hoc working group on environmental monitoring could make important contributions to the production of the report : ( a ) To the contents : the ad hoc working group could deliver important inputs into the drawing-up of the table of contents of the report , enabling an optimal use of the capacities available in Europe ; ( b ) To the data collection : taking as a starting point the list of indicators and data sets needed , the ad hoc working group could usefully consider the most efficient and effective mechanism to bring the data together for the newly independent States ( NIS ) and the other countries not covered by EEA networks .