A description of equipment and tools relative to the sampling of seabed sediments for physicochemical analyses is presented in accordance with the Polish Standard PN-EN ISO 5667-19:2006. The paper reports sampling procedures for various purposes, instructions regarding samples handling, with emphasis on hazardous substances, chemical warfare agents (BST). It also includes information and instructions concerning high level of safety while working at sea, in accordance with international conventions SCTW and SOLAS.