"GRADE_CODE"	"DESCRIPTION"	"IMAGE_BITMAP"	"REFERENCE_CODE_ID"
"0.005 %"	"50 eppm"		"1"
"0.01 %"	"100 eppm"		"2"
"0.02 %"	"200 eppm"		"3"
"Interval"	"User Defined Interval"		"4"
