C (ppb)	sampling date	before injection	injection			storage	extraction
C (ppb)	sampling date	3.08.13	12.09.13	27.09.13	9.10.13	13.10.13	8.11.13	23.11.13
MWD	event	0	1	2	3	4	5	6
MWD 1
La		0.018	0.017	0.040	0.031	0.021	0.027	0.030
Ce		0.029	0.029	0.075	0.049	0.029	0.044	0.045
Pr		0.002	0.003	0.006	0.004	0.003	0.004	0.004
Nd		0.009	0.009	0.029	0.017	0.009	0.016	0.016
Sm		0.003	0.003	0.005	0.003	0.003	0.004	0.003
Eu		0.016	0.015	0.012	0.012	0.013	0.015	0.014