They wrapped up cleaning efforts yesterday afternoon. Mainly in the gym where they say most of the mercury was. This after the district says a quarter of a cup of mercury was recovered last wednesday. Leading to that 14 hour lockdown which lasted well into thursday morning. Thousands of students, their bags and shoes were screened for mercury. This investigation continued out of the classrooms as well. At last count. 7 buses were tested and cleared. More than 75 homes were investigated at least one of them had mercury levels so high, elsewhere at least temporarily. Though school is scheduled to start at 830. Many families are skeptical to send their kids back. martzi kallao, grandparent i said im telling you right now i dont want them back. If theres mercury on them, can you guarantee me that theyre going to be fine if they put it back on . nia wong the district says students will have to make up three missed days of school. No official dates have been put aside. But they are looking a