diff --git a/api/src/Page/DC.php b/api/src/Page/DC.php
index bc43ba535..fe21732f2 100644
--- a/api/src/Page/DC.php
+++ b/api/src/Page/DC.php
@@ -121,11 +121,11 @@ function _data_collections($single = null)
 
                 $where = '';
                 if ($this->arg('t') == 'sc')
-                    $where = ' AND (dc.overlap != 0 OR ifnull(et.name, dcg.experimenttype) = "Screening")';
+                    $where = ' AND (dc.overlap != 0 OR ifnull(et.name, dcg.experimenttype) in ("Screening", "Characterization"))';
                 else if ($this->arg('t') == 'gr')
                     $where = ' AND dc.axisrange = 0';
                 else if ($this->arg('t') == 'fc')
-                    $where = ' AND dc.overlap = 0 AND dc.axisrange > 0 AND dc.numberOfImages > 1 AND ifnull(et.name, dcg.experimenttype) != "Screening"';
+                    $where = ' AND dc.overlap = 0 AND dc.axisrange > 0 AND dc.numberOfImages > 1 AND ifnull(et.name, dcg.experimenttype) not in ("Screening", "Characterization")';
             } else if ($this->arg('t') == 'edge') {
                 $where2 = '';
             } else if ($this->arg('t') == 'mca') {
@@ -139,11 +139,11 @@ function _data_collections($single = null)
                 $where2 = " AND es.comments LIKE '%_FLAG_%'";
                 $where4 = " AND xrf.comments LIKE '%_FLAG_%'";
             } else if ($this->arg('t') == 'ap') {
-                $where = ' AND app.processingstatus = 1';
+                $where = " AND ifnull(et.name, dcg.experimenttype) not in ('Screening', 'Characterization') AND app.processingstatus = 1";
                 $extj[0] .= "INNER JOIN autoprocintegration ap ON dc.datacollectionid = ap.datacollectionid
                         INNER JOIN autoprocprogram app ON app.autoprocprogramid = ap.autoprocprogramid";
             } else if ($this->arg('t') == 'ph') {
-                $where = " AND app.processingstatus = 1 AND app.processingprograms in ('big_ep', 'fast_ep')";
+                $where = " AND ifnull(et.name, dcg.experimenttype) not in ('Screening', 'Characterization') AND app.processingstatus = 1 AND app.processingprograms in ('big_ep', 'fast_ep')";
                 $extj[0] .= "INNER JOIN processingjob pj ON dc.datacollectionid = pj.datacollectionid
                         INNER JOIN autoprocprogram app ON app.processingjobid = pj.processingjobid";
             } else if ($this->arg('t') == 'err') {