Isotope Laboratory Deals with the investigation of nuclear to application of nuclear techniques to surface and groundwater. The laboratory is equipped with essential nuclear equipment like Geiger counting system, Scintillation counting setup, surface and depth density and moisture probes etc. the investigations worth mentioning are :-
(i) determination of in-situ density of foundation material of earth and rockfill Obra dam and
(ii) estimation of extent of water logging and seepage losses in a part of Ganga Canal command area.