the services entrusted to the Holder relate to the sampling, on-site measurements and water tests in the Frab-1 pilot drilling, to the right of upstream and downstream control points in the Dachsgraben and in the Mossel and the measurement of the downstream water level in the Mossel
the services entrusted to the Holder relate to the sampling, on-site measurements and water tests in the Frab-1 pilot drilling, to the right of upstream and downstream control points in the Dachsgraben and in the Mossel and the measurement of the downstream water level in the Mossel