[en] This report covers the FY82 Thermal Response Studies conducted by the Subseabed Disposal Program. A summary of the work is given in the Introduction, and detailed discussions are included as appendices. The major accomplishment during FY82 was completion of the simulation of the In Situ Heat Transfer Experiment (ISHTE). Other work included development of the electrical control systems and mechanical systems for ISHTE and laboratory experiments using porous media to be used in qualifying the porous flow code MARIAH