The establishment of EVISA is funded by the EU through
the Fifth Framework Programme (G7RT- CT- 2002- 05112).
Supporters of EVISA includes:
Diffusive gradients in thin films (DGT)
Diffusive gradients in thin films (DGT) samplers rely on diffusion of
metals through a permeable diffusion layer of known thickness for in
situ measurement of trace metals in natural waters, with the principal
diffusion layer used to date being based on polyacrylamide hydrogels.