LAS\TAG Quality_Code List_of_Observations Attributes a quality to a given list of Observations. Quality_Code is an integer in the range 0-9, and the recommended quality scale is 0 Unknown 1 Excellent 2 Good 3 Fair 4 Average 5 Poor 6 Bad 7 Awful 8 Should never exist 9 Reserved for deleted Observations The operation is immediate and occurs in the OUTPUT file for all versions of all Observations specified in the list. If no list is given, the R memory is attributed the specified quality. A FIND operation will only select Observations of quality better than (i.e. less or equal to) the quality specified by the SET QUALITY command, or in the /QUALITY option.