diff --git a/java/src/org/broadinstitute/sting/gatk/filters/NoOriginalQualityScoresFilter.java b/java/src/org/broadinstitute/sting/gatk/filters/NoOriginalQualityScoresFilter.java
index bf9139aa8..a6ca5deaa 100755
--- a/java/src/org/broadinstitute/sting/gatk/filters/NoOriginalQualityScoresFilter.java
+++ b/java/src/org/broadinstitute/sting/gatk/filters/NoOriginalQualityScoresFilter.java
@@ -3,6 +3,31 @@ package org.broadinstitute.sting.gatk.filters;
 import net.sf.picard.filter.SamRecordFilter;
 import net.sf.samtools.SAMRecord;
 
+/*
+ * Copyright (c) 2009 The Broad Institute
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
 /**
  * Created by IntelliJ IDEA.
  * User: rpoplin
diff --git a/java/src/org/broadinstitute/sting/gatk/filters/SingleReadGroupFilter.java b/java/src/org/broadinstitute/sting/gatk/filters/SingleReadGroupFilter.java
new file mode 100755
index 000000000..c93b39a4a
--- /dev/null
+++ b/java/src/org/broadinstitute/sting/gatk/filters/SingleReadGroupFilter.java
@@ -0,0 +1,49 @@
+package org.broadinstitute.sting.gatk.filters;
+
+import net.sf.samtools.SAMRecord;
+import net.sf.samtools.SAMReadGroupRecord;
+import net.sf.picard.filter.SamRecordFilter;
+import org.broadinstitute.sting.utils.cmdLine.Argument;
+
+/*
+ * Copyright (c) 2009 The Broad Institute
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * Created by IntelliJ IDEA.
+ * User: rpoplin
+ * Date: Nov 27, 2009
+ *
+ * Only use reads from the specified read group.
+ */
+
+public class SingleReadGroupFilter implements SamRecordFilter {
+    @Argument(fullName = "read_group_to_keep", shortName = "goodRG", doc="The name of the read group to keep, filtering out all others", required=true)
+    private String READ_GROUP_TO_KEEP = null;
+
+    public boolean filterOut(SAMRecord read) {
+        SAMReadGroupRecord readGroup = read.getReadGroup();
+        return !( readGroup != null && readGroup.getReadGroupId().equals( READ_GROUP_TO_KEEP ) );
+    }
+}
\ No newline at end of file