Mud
36. Slush - water-saturated snow which, when struck, splashes in different directions, with a density from 0.50 to 0.80 g/cm³
Source: Order of the Ministry of Industry and Trade of Russia dated December 30, 2009 No. 1215 "On Approval of Normative Methodological Documents Regulating the Operation and Maintenance of Experimental Aviation Airfields" (together with "Norms for the Suitability of Experimental Aviation Airfields (NGEA EA)", "Guidelines for the Operational Maintenance of Experimental Aviation Airfields (RESA EA)") (Registered by the Ministry of Justice of Russia on April 5, 2010 No. 16822)