The following incidents were reported in the USC Dept. of Public Safety incident summary for Monday, March 26.View Roundup 03-28 in a larger mapMiscellaneous incidentsat 5:44 p.m., a student on Orchard Avenue reported that someone has been dumping garbage on the back porch of her apartment for several weeks and a subsequent investigation by DPS officers revealed that another student who lives in a neighboring apartment was responsible. The officers counseled the student about his behavior and he agreed to stop.at 11:30 a.m., DPS officers responded to two staff members who reported that they spilled radioactive material on their clothing at the USC Endocrine Laboratory. The staff members changed out of the affected clothing and cleaned up the spill before the officers arrived and a radiation safety specialist who responded to the scene determined that there was no safety hazard. The specialist took custody of the contaminated clothing for disposal and the staff members returned to work.