VARNUM NAME LABEL TYPE LENGTH 1 SITE_ID Lake Site Identification Code 2 24 2 YEAR Sample Year 1 3 VISIT_NO Within-year Sample Visit Number 1 4 DATE_PROFILE Date of lake profile 1 5 SAMPLED_PROFILE SAMPLED variable from profile data 2 25 6 DEPTH Profile Depth (m) 1 7 METALIMNION Field Crew Flag for Depth of T)op and B)ottom of Metalimnion 2 1 8 TEMP_FIELD Field Water Temperature (oC) 1 9 DO_FIELD Field Dissolved Oxygen (mg/L) 1 10 PH_FIELD Field pH 1 11 COND_FIELD Field Conductivity (uS at 25 oC assuming 2.2%/oC) 1 12 FLAG_PROFILE Data flag from lake profile form 2 12 13 COMMENT_PROFILE Comment and flag explanation 2 160